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Message-ID: <20131005154909.GB1321@kroah.com>
Date: Sat, 5 Oct 2013 08:49:09 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 3.10.15
diff --git a/Makefile b/Makefile
index 129c49f..9a77179 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 10
-SUBLEVEL = 14
+SUBLEVEL = 15
EXTRAVERSION =
NAME = TOSSUG Baby Fish
diff --git a/arch/arm/crypto/aes-armv4.S b/arch/arm/crypto/aes-armv4.S
index 19d6cd6..3a14ea8 100644
--- a/arch/arm/crypto/aes-armv4.S
+++ b/arch/arm/crypto/aes-armv4.S
@@ -148,7 +148,7 @@ AES_Te:
@ const AES_KEY *key) {
.align 5
ENTRY(AES_encrypt)
- sub r3,pc,#8 @ AES_encrypt
+ adr r3,AES_encrypt
stmdb sp!,{r1,r4-r12,lr}
mov r12,r0 @ inp
mov r11,r2
@@ -381,7 +381,7 @@ _armv4_AES_encrypt:
.align 5
ENTRY(private_AES_set_encrypt_key)
_armv4_AES_set_encrypt_key:
- sub r3,pc,#8 @ AES_set_encrypt_key
+ adr r3,_armv4_AES_set_encrypt_key
teq r0,#0
moveq r0,#-1
beq .Labrt
@@ -843,7 +843,7 @@ AES_Td:
@ const AES_KEY *key) {
.align 5
ENTRY(AES_decrypt)
- sub r3,pc,#8 @ AES_decrypt
+ adr r3,AES_decrypt
stmdb sp!,{r1,r4-r12,lr}
mov r12,r0 @ inp
mov r11,r2
diff --git a/arch/arm/mach-mxs/pm.h b/arch/arm/mach-mxs/pm.h
index f57e7cd..09d77b0 100644
--- a/arch/arm/mach-mxs/pm.h
+++ b/arch/arm/mach-mxs/pm.h
@@ -9,6 +9,10 @@
#ifndef __ARCH_MXS_PM_H
#define __ARCH_MXS_PM_H
+#ifdef CONFIG_PM
void mxs_pm_init(void);
+#else
+#define mxs_pm_init NULL
+#endif
#endif
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 76fa1e9..90fd119 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -447,6 +447,22 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
},
},
+ { /* Handle problems with rebooting on the Dell PowerEdge C6100. */
+ .callback = set_pci_reboot,
+ .ident = "Dell PowerEdge C6100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+ },
+ },
+ { /* Some C6100 machines were shipped with vendor being 'Dell'. */
+ .callback = set_pci_reboot,
+ .ident = "Dell PowerEdge C6100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+ },
+ },
{ }
};
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index d2fbced..91ac654 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -910,10 +910,13 @@ void __init efi_enter_virtual_mode(void)
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
- if (!(md->attribute & EFI_MEMORY_RUNTIME) &&
- md->type != EFI_BOOT_SERVICES_CODE &&
- md->type != EFI_BOOT_SERVICES_DATA)
- continue;
+ if (!(md->attribute & EFI_MEMORY_RUNTIME)) {
+#ifdef CONFIG_X86_64
+ if (md->type != EFI_BOOT_SERVICES_CODE &&
+ md->type != EFI_BOOT_SERVICES_DATA)
+#endif
+ continue;
+ }
size = md->num_pages << EFI_PAGE_SHIFT;
end = md->phys_addr + size;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2499cef..ca4bcb8 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1839,7 +1839,7 @@ EXPORT_SYMBOL_GPL(device_move);
*/
void device_shutdown(void)
{
- struct device *dev;
+ struct device *dev, *parent;
spin_lock(&devices_kset->list_lock);
/*
@@ -1856,7 +1856,7 @@ void device_shutdown(void)
* prevent it from being freed because parent's
* lock is to be held
*/
- get_device(dev->parent);
+ parent = get_device(dev->parent);
get_device(dev);
/*
* Make sure the device is off the kset list, in the
@@ -1866,8 +1866,8 @@ void device_shutdown(void)
spin_unlock(&devices_kset->list_lock);
/* hold lock to avoid race with probe/release */
- if (dev->parent)
- device_lock(dev->parent);
+ if (parent)
+ device_lock(parent);
device_lock(dev);
/* Don't allow any more runtime suspends */
@@ -1885,11 +1885,11 @@ void device_shutdown(void)
}
device_unlock(dev);
- if (dev->parent)
- device_unlock(dev->parent);
+ if (parent)
+ device_unlock(parent);
put_device(dev);
- put_device(dev->parent);
+ put_device(parent);
spin_lock(&devices_kset->list_lock);
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a365780..b1a0cdb 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1675,10 +1675,16 @@
#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2)
#define PORT_HOTPLUG_STAT (dev_priv->info->display_mmio_offset + 0x61114)
-/* HDMI/DP bits are gen4+ */
-#define PORTB_HOTPLUG_LIVE_STATUS (1 << 29)
+/*
+ * HDMI/DP bits are gen4+
+ *
+ * WARNING: Bspec for hpd status bits on gen4 seems to be completely confused.
+ * Please check the detailed lore in the commit message for for experimental
+ * evidence.
+ */
+#define PORTD_HOTPLUG_LIVE_STATUS (1 << 29)
#define PORTC_HOTPLUG_LIVE_STATUS (1 << 28)
-#define PORTD_HOTPLUG_LIVE_STATUS (1 << 27)
+#define PORTB_HOTPLUG_LIVE_STATUS (1 << 27)
#define PORTD_HOTPLUG_INT_STATUS (3 << 21)
#define PORTC_HOTPLUG_INT_STATUS (3 << 19)
#define PORTB_HOTPLUG_INT_STATUS (3 << 17)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index eea5982..2667d6d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4564,6 +4564,10 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
pipeconf = I915_READ(PIPECONF(intel_crtc->pipe));
+ if (dev_priv->quirks & QUIRK_PIPEA_FORCE &&
+ I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE)
+ pipeconf |= PIPECONF_ENABLE;
+
if (intel_crtc->pipe == 0 && INTEL_INFO(dev)->gen < 4) {
/* Enable pixel doubling when the dot clock is > 90% of the (display)
* core speed.
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 70789b1..80feaec 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -604,7 +604,18 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
DRM_DEBUG_KMS("aux_ch native nack\n");
return -EREMOTEIO;
case AUX_NATIVE_REPLY_DEFER:
- udelay(100);
+ /*
+ * For now, just give more slack to branch devices. We
+ * could check the DPCD for I2C bit rate capabilities,
+ * and if available, adjust the interval. We could also
+ * be more careful with DP-to-Legacy adapters where a
+ * long legacy cable may force very low I2C bit rates.
+ */
+ if (intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
+ DP_DWN_STRM_PORT_PRESENT)
+ usleep_range(500, 600);
+ else
+ usleep_range(300, 400);
continue;
default:
DRM_ERROR("aux_ch invalid native reply 0x%02x\n",
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index b945bc5..a202d8d 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -921,6 +921,14 @@ intel_tv_compute_config(struct intel_encoder *encoder,
DRM_DEBUG_KMS("forcing bpc to 8 for TV\n");
pipe_config->pipe_bpp = 8*3;
+ /* TV has it's own notion of sync and other mode flags, so clear them. */
+ pipe_config->adjusted_mode.flags = 0;
+
+ /*
+ * FIXME: We don't check whether the input mode is actually what we want
+ * or whether userspace is doing something stupid.
+ */
+
return true;
}
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index d0314ec..46470dd 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2935,9 +2935,11 @@ static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
seq_printf(m, "%u dwords in ring\n", count);
- for (j = 0; j <= count; j++) {
- i = (rdp + j) & ring->ptr_mask;
- seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ if (ring->ready) {
+ for (j = 0; j <= count; j++) {
+ i = (rdp + j) & ring->ptr_mask;
+ seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ }
}
return 0;
}
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index b9b1139..0efe2a9 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -238,9 +238,19 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
* number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
* is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
*/
- if (ASIC_IS_DCE3(rdev)) {
+ if (ASIC_IS_DCE32(rdev)) {
+ if (dig->dig_encoder == 0) {
+ WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
+ WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+ } else {
+ WREG32(DCCG_AUDIO_DTO1_PHASE, base_rate * 100);
+ WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
+ }
+ } else if (ASIC_IS_DCE3(rdev)) {
/* according to the reg specs, this should DCE3.2 only, but in
- * practice it seems to cover DCE3.0 as well.
+ * practice it seems to cover DCE3.0/3.1 as well.
*/
if (dig->dig_encoder == 0) {
WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
@@ -252,7 +262,7 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
} else {
- /* according to the reg specs, this should be DCE2.0 and DCE3.0 */
+ /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */
WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
AUDIO_DTO_MODULE(clock / 10));
}
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index de36c47..7fadfd5 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -892,6 +892,8 @@ static struct radeon_asic r520_asic = {
.wait_for_vblank = &avivo_wait_for_vblank,
.set_backlight_level = &atombios_set_backlight_level,
.get_backlight_level = &atombios_get_backlight_level,
+ .hdmi_enable = &r600_hdmi_enable,
+ .hdmi_setmode = &r600_hdmi_setmode,
},
.copy = {
.blit = &r100_copy_blit,
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 6337f67..fe36f1d 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -84,7 +84,7 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
VRAM, also but everything into VRAM on AGP cards to avoid
image corruptions */
if (p->ring == R600_RING_TYPE_UVD_INDEX &&
- (i == 0 || p->rdev->flags & RADEON_IS_AGP)) {
+ (i == 0 || drm_pci_device_is_agp(p->rdev->ddev))) {
/* TODO: is this still needed for NI+ ? */
p->relocs[i].lobj.domain =
RADEON_GEM_DOMAIN_VRAM;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index b0dc0b6..8df1525 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1196,13 +1196,22 @@ int radeon_device_init(struct radeon_device *rdev,
return r;
}
if ((radeon_testing & 1)) {
- radeon_test_moves(rdev);
+ if (rdev->accel_working)
+ radeon_test_moves(rdev);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping move tests\n");
}
if ((radeon_testing & 2)) {
- radeon_test_syncing(rdev);
+ if (rdev->accel_working)
+ radeon_test_syncing(rdev);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping sync tests\n");
}
if (radeon_benchmarking) {
- radeon_benchmark(rdev, radeon_benchmarking);
+ if (rdev->accel_working)
+ radeon_benchmark(rdev, radeon_benchmarking);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping benchmarks\n");
}
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 83f6295..6e0f480 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -823,9 +823,11 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
* packet that is the root issue
*/
i = (ring->rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask;
- for (j = 0; j <= (count + 32); j++) {
- seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]);
- i = (i + 1) & ring->ptr_mask;
+ if (ring->ready) {
+ for (j = 0; j <= (count + 32); j++) {
+ seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]);
+ i = (i + 1) & ring->ptr_mask;
+ }
}
return 0;
}
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 62c2e32..98814d1 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -525,16 +525,25 @@ static int applesmc_init_smcreg_try(void)
{
struct applesmc_registers *s = &smcreg;
bool left_light_sensor, right_light_sensor;
+ unsigned int count;
u8 tmp[1];
int ret;
if (s->init_complete)
return 0;
- ret = read_register_count(&s->key_count);
+ ret = read_register_count(&count);
if (ret)
return ret;
+ if (s->cache && s->key_count != count) {
+ pr_warn("key count changed from %d to %d\n",
+ s->key_count, count);
+ kfree(s->cache);
+ s->cache = NULL;
+ }
+ s->key_count = count;
+
if (!s->cache)
s->cache = kcalloc(s->key_count, sizeof(*s->cache), GFP_KERNEL);
if (!s->cache)
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index c42b14b..6bc016e 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -499,7 +499,7 @@ struct cached_dev {
*/
atomic_t has_dirty;
- struct ratelimit writeback_rate;
+ struct bch_ratelimit writeback_rate;
struct delayed_work writeback_rate_update;
/*
@@ -508,10 +508,9 @@ struct cached_dev {
*/
sector_t last_read;
- /* Number of writeback bios in flight */
- atomic_t in_flight;
+ /* Limit number of writeback bios in flight */
+ struct semaphore in_flight;
struct closure_with_timer writeback;
- struct closure_waitlist writeback_wait;
struct keybuf writeback_keys;
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
index cb4578a..14032e8 100644
--- a/drivers/md/bcache/bset.c
+++ b/drivers/md/bcache/bset.c
@@ -918,28 +918,45 @@ struct bkey *bch_next_recurse_key(struct btree *b, struct bkey *search)
/* Mergesort */
+static void sort_key_next(struct btree_iter *iter,
+ struct btree_iter_set *i)
+{
+ i->k = bkey_next(i->k);
+
+ if (i->k == i->end)
+ *i = iter->data[--iter->used];
+}
+
static void btree_sort_fixup(struct btree_iter *iter)
{
while (iter->used > 1) {
struct btree_iter_set *top = iter->data, *i = top + 1;
- struct bkey *k;
if (iter->used > 2 &&
btree_iter_cmp(i[0], i[1]))
i++;
- for (k = i->k;
- k != i->end && bkey_cmp(top->k, &START_KEY(k)) > 0;
- k = bkey_next(k))
- if (top->k > i->k)
- __bch_cut_front(top->k, k);
- else if (KEY_SIZE(k))
- bch_cut_back(&START_KEY(k), top->k);
-
- if (top->k < i->k || k == i->k)
+ if (bkey_cmp(top->k, &START_KEY(i->k)) <= 0)
break;
- heap_sift(iter, i - top, btree_iter_cmp);
+ if (!KEY_SIZE(i->k)) {
+ sort_key_next(iter, i);
+ heap_sift(iter, i - top, btree_iter_cmp);
+ continue;
+ }
+
+ if (top->k > i->k) {
+ if (bkey_cmp(top->k, i->k) >= 0)
+ sort_key_next(iter, i);
+ else
+ bch_cut_front(top->k, i->k);
+
+ heap_sift(iter, i - top, btree_iter_cmp);
+ } else {
+ /* can't happen because of comparison func */
+ BUG_ON(!bkey_cmp(&START_KEY(top->k), &START_KEY(i->k)));
+ bch_cut_back(&START_KEY(i->k), top->k);
+ }
}
}
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 833c590..7d3deab 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -633,7 +633,7 @@ static int bch_mca_shrink(struct shrinker *shrink, struct shrink_control *sc)
return mca_can_free(c) * c->btree_pages;
/* Return -1 if we can't do anything right now */
- if (sc->gfp_mask & __GFP_WAIT)
+ if (sc->gfp_mask & __GFP_IO)
mutex_lock(&c->bucket_lock);
else if (!mutex_trylock(&c->bucket_lock))
return -1;
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index b49abb2..151a4ab 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -151,7 +151,8 @@ int bch_journal_read(struct cache_set *c, struct list_head *list,
bitmap_zero(bitmap, SB_JOURNAL_BUCKETS);
pr_debug("%u journal buckets", ca->sb.njournal_buckets);
- /* Read journal buckets ordered by golden ratio hash to quickly
+ /*
+ * Read journal buckets ordered by golden ratio hash to quickly
* find a sequence of buckets with valid journal entries
*/
for (i = 0; i < ca->sb.njournal_buckets; i++) {
@@ -164,18 +165,20 @@ int bch_journal_read(struct cache_set *c, struct list_head *list,
goto bsearch;
}
- /* If that fails, check all the buckets we haven't checked
+ /*
+ * If that fails, check all the buckets we haven't checked
* already
*/
pr_debug("falling back to linear search");
- for (l = 0; l < ca->sb.njournal_buckets; l++) {
- if (test_bit(l, bitmap))
- continue;
-
+ for (l = find_first_zero_bit(bitmap, ca->sb.njournal_buckets);
+ l < ca->sb.njournal_buckets;
+ l = find_next_zero_bit(bitmap, ca->sb.njournal_buckets, l + 1))
if (read_bucket(l))
goto bsearch;
- }
+
+ if (list_empty(list))
+ continue;
bsearch:
/* Binary search */
m = r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1);
@@ -195,10 +198,12 @@ bsearch:
r = m;
}
- /* Read buckets in reverse order until we stop finding more
+ /*
+ * Read buckets in reverse order until we stop finding more
* journal entries
*/
- pr_debug("finishing up");
+ pr_debug("finishing up: m %u njournal_buckets %u",
+ m, ca->sb.njournal_buckets);
l = m;
while (1) {
@@ -226,9 +231,10 @@ bsearch:
}
}
- c->journal.seq = list_entry(list->prev,
- struct journal_replay,
- list)->j.seq;
+ if (!list_empty(list))
+ c->journal.seq = list_entry(list->prev,
+ struct journal_replay,
+ list)->j.seq;
return 0;
#undef read_bucket
@@ -425,7 +431,7 @@ static void do_journal_discard(struct cache *ca)
return;
}
- switch (atomic_read(&ja->discard_in_flight) == DISCARD_IN_FLIGHT) {
+ switch (atomic_read(&ja->discard_in_flight)) {
case DISCARD_IN_FLIGHT:
return;
@@ -686,6 +692,7 @@ void bch_journal_meta(struct cache_set *c, struct closure *cl)
if (cl)
BUG_ON(!closure_wait(&w->wait, cl));
+ closure_flush(&c->journal.io);
__journal_try_write(c, true);
}
}
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index afb9a99..2fe37fa 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -1056,14 +1056,17 @@ static void request_write(struct cached_dev *dc, struct search *s)
trace_bcache_writeback(s->orig_bio);
bch_writeback_add(dc, bio_sectors(bio));
- if (s->op.flush_journal) {
+ if (bio->bi_rw & REQ_FLUSH) {
/* Also need to send a flush to the backing device */
- s->op.cache_bio = bio_clone_bioset(bio, GFP_NOIO,
- dc->disk.bio_split);
+ struct bio *flush = bio_alloc_bioset(0, GFP_NOIO,
+ dc->disk.bio_split);
- bio->bi_size = 0;
- bio->bi_vcnt = 0;
- closure_bio_submit(bio, cl, s->d);
+ flush->bi_rw = WRITE_FLUSH;
+ flush->bi_bdev = bio->bi_bdev;
+ flush->bi_end_io = request_endio;
+ flush->bi_private = cl;
+
+ closure_bio_submit(flush, cl, s->d);
} else {
s->op.cache_bio = bio;
}
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 4d9cca4..e9bd6c0 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -214,7 +214,13 @@ STORE(__cached_dev)
}
if (attr == &sysfs_label) {
- memcpy(dc->sb.label, buf, SB_LABEL_SIZE);
+ if (size > SB_LABEL_SIZE)
+ return -EINVAL;
+ memcpy(dc->sb.label, buf, size);
+ if (size < SB_LABEL_SIZE)
+ dc->sb.label[size] = '\0';
+ if (size && dc->sb.label[size - 1] == '\n')
+ dc->sb.label[size - 1] = '\0';
bch_write_bdev_super(dc, NULL);
if (dc->disk.c) {
memcpy(dc->disk.c->uuids[dc->disk.id].label,
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c
index da3a99e..38a43f8 100644
--- a/drivers/md/bcache/util.c
+++ b/drivers/md/bcache/util.c
@@ -190,7 +190,16 @@ void bch_time_stats_update(struct time_stats *stats, uint64_t start_time)
stats->last = now ?: 1;
}
-unsigned bch_next_delay(struct ratelimit *d, uint64_t done)
+/**
+ * bch_next_delay() - increment @d by the amount of work done, and return how
+ * long to delay until the next time to do some work.
+ *
+ * @d - the struct bch_ratelimit to update
+ * @done - the amount of work done, in arbitrary units
+ *
+ * Returns the amount of time to delay by, in jiffies
+ */
+uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done)
{
uint64_t now = local_clock();
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index 577393e..43fd78a 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -452,17 +452,23 @@ read_attribute(name ## _last_ ## frequency_units)
(ewma) >> factor; \
})
-struct ratelimit {
+struct bch_ratelimit {
+ /* Next time we want to do some work, in nanoseconds */
uint64_t next;
+
+ /*
+ * Rate at which we want to do work, in units per nanosecond
+ * The units here correspond to the units passed to bch_next_delay()
+ */
unsigned rate;
};
-static inline void ratelimit_reset(struct ratelimit *d)
+static inline void bch_ratelimit_reset(struct bch_ratelimit *d)
{
d->next = local_clock();
}
-unsigned bch_next_delay(struct ratelimit *d, uint64_t done);
+uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done);
#define __DIV_SAFE(n, d, zero) \
({ \
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 2714ed3..841f049 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -91,11 +91,15 @@ static void update_writeback_rate(struct work_struct *work)
static unsigned writeback_delay(struct cached_dev *dc, unsigned sectors)
{
+ uint64_t ret;
+
if (atomic_read(&dc->disk.detaching) ||
!dc->writeback_percent)
return 0;
- return bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL);
+ ret = bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL);
+
+ return min_t(uint64_t, ret, HZ);
}
/* Background writeback */
@@ -165,7 +169,7 @@ static void refill_dirty(struct closure *cl)
up_write(&dc->writeback_lock);
- ratelimit_reset(&dc->writeback_rate);
+ bch_ratelimit_reset(&dc->writeback_rate);
/* Punt to workqueue only so we don't recurse and blow the stack */
continue_at(cl, read_dirty, dirty_wq);
@@ -246,9 +250,7 @@ static void write_dirty_finish(struct closure *cl)
}
bch_keybuf_del(&dc->writeback_keys, w);
- atomic_dec_bug(&dc->in_flight);
-
- closure_wake_up(&dc->writeback_wait);
+ up(&dc->in_flight);
closure_return_with_destructor(cl, dirty_io_destructor);
}
@@ -278,7 +280,7 @@ static void write_dirty(struct closure *cl)
trace_bcache_write_dirty(&io->bio);
closure_bio_submit(&io->bio, cl, &io->dc->disk);
- continue_at(cl, write_dirty_finish, dirty_wq);
+ continue_at(cl, write_dirty_finish, system_wq);
}
static void read_dirty_endio(struct bio *bio, int error)
@@ -299,7 +301,7 @@ static void read_dirty_submit(struct closure *cl)
trace_bcache_read_dirty(&io->bio);
closure_bio_submit(&io->bio, cl, &io->dc->disk);
- continue_at(cl, write_dirty, dirty_wq);
+ continue_at(cl, write_dirty, system_wq);
}
static void read_dirty(struct closure *cl)
@@ -324,12 +326,8 @@ static void read_dirty(struct closure *cl)
if (delay > 0 &&
(KEY_START(&w->key) != dc->last_read ||
- jiffies_to_msecs(delay) > 50)) {
- w->private = NULL;
-
- closure_delay(&dc->writeback, delay);
- continue_at(cl, read_dirty, dirty_wq);
- }
+ jiffies_to_msecs(delay) > 50))
+ delay = schedule_timeout_uninterruptible(delay);
dc->last_read = KEY_OFFSET(&w->key);
@@ -354,15 +352,10 @@ static void read_dirty(struct closure *cl)
pr_debug("%s", pkey(&w->key));
- closure_call(&io->cl, read_dirty_submit, NULL, &dc->disk.cl);
+ down(&dc->in_flight);
+ closure_call(&io->cl, read_dirty_submit, NULL, cl);
delay = writeback_delay(dc, KEY_SIZE(&w->key));
-
- atomic_inc(&dc->in_flight);
-
- if (!closure_wait_event(&dc->writeback_wait, cl,
- atomic_read(&dc->in_flight) < 64))
- continue_at(cl, read_dirty, dirty_wq);
}
if (0) {
@@ -372,11 +365,16 @@ err:
bch_keybuf_del(&dc->writeback_keys, w);
}
- refill_dirty(cl);
+ /*
+ * Wait for outstanding writeback IOs to finish (and keybuf slots to be
+ * freed) before refilling again
+ */
+ continue_at(cl, refill_dirty, dirty_wq);
}
void bch_cached_dev_writeback_init(struct cached_dev *dc)
{
+ sema_init(&dc->in_flight, 64);
closure_init_unlocked(&dc->writeback);
init_rwsem(&dc->writeback_lock);
@@ -406,7 +404,7 @@ void bch_writeback_exit(void)
int __init bch_writeback_init(void)
{
- dirty_wq = create_singlethread_workqueue("bcache_writeback");
+ dirty_wq = create_workqueue("bcache_writeback");
if (!dirty_wq)
return -ENOMEM;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 5adede1..c5b7b3d 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1284,8 +1284,17 @@ static int do_end_io(struct multipath *m, struct request *clone,
if (!error && !clone->errors)
return 0; /* I/O complete */
- if (error == -EOPNOTSUPP || error == -EREMOTEIO || error == -EILSEQ)
+ if (error == -EOPNOTSUPP || error == -EREMOTEIO || error == -EILSEQ) {
+ if ((clone->cmd_flags & REQ_WRITE_SAME) &&
+ !clone->q->limits.max_write_same_sectors) {
+ struct queue_limits *limits;
+
+ /* device doesn't really support WRITE SAME, disable it */
+ limits = dm_get_queue_limits(dm_table_get_md(m->ti->table));
+ limits->max_write_same_sectors = 0;
+ }
return error;
+ }
if (mpio->pgpath)
fail_path(mpio->pgpath);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 1d3fe1a..2dea49c 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -380,7 +380,7 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size)
static int validate_raid_redundancy(struct raid_set *rs)
{
unsigned i, rebuild_cnt = 0;
- unsigned rebuilds_per_group, copies, d;
+ unsigned rebuilds_per_group = 0, copies, d;
unsigned group_size, last_group_start;
for (i = 0; i < rs->md.raid_disks; i++)
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 3ac4156..4caa8e6 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -256,7 +256,7 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw,
*/
INIT_WORK_ONSTACK(&req.work, do_metadata);
queue_work(ps->metadata_wq, &req.work);
- flush_work(&req.work);
+ flush_workqueue(ps->metadata_wq);
return req.result;
}
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index c434e5a..aec57d7 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -725,17 +725,16 @@ static int calc_max_buckets(void)
*/
static int init_hash_tables(struct dm_snapshot *s)
{
- sector_t hash_size, cow_dev_size, origin_dev_size, max_buckets;
+ sector_t hash_size, cow_dev_size, max_buckets;
/*
* Calculate based on the size of the original volume or
* the COW volume...
*/
cow_dev_size = get_dev_size(s->cow->bdev);
- origin_dev_size = get_dev_size(s->origin->bdev);
max_buckets = calc_max_buckets();
- hash_size = min(origin_dev_size, cow_dev_size) >> s->store->chunk_shift;
+ hash_size = cow_dev_size >> s->store->chunk_shift;
hash_size = min(hash_size, max_buckets);
if (hash_size < 64)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 33f2010..1c13071 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2219,6 +2219,17 @@ struct target_type *dm_get_immutable_target_type(struct mapped_device *md)
}
/*
+ * The queue_limits are only valid as long as you have a reference
+ * count on 'md'.
+ */
+struct queue_limits *dm_get_queue_limits(struct mapped_device *md)
+{
+ BUG_ON(!atomic_read(&md->holders));
+ return &md->queue->limits;
+}
+EXPORT_SYMBOL_GPL(dm_get_queue_limits);
+
+/*
* Fully initialize a request-based queue (->elevator, ->request_fn, etc).
*/
static int dm_init_request_based_queue(struct mapped_device *md)
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index b3e5098..3db9291 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -57,6 +57,7 @@ void mei_amthif_reset_params(struct mei_device *dev)
dev->iamthif_ioctl = false;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
dev->iamthif_timer = 0;
+ dev->iamthif_stall_timer = 0;
}
/**
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 9ecd49a..99cc0b0 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -295,10 +295,13 @@ int __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
if (cl->reading_state != MEI_READ_COMPLETE &&
!waitqueue_active(&cl->rx_wait)) {
+
mutex_unlock(&dev->device_lock);
if (wait_event_interruptible(cl->rx_wait,
- (MEI_READ_COMPLETE == cl->reading_state))) {
+ cl->reading_state == MEI_READ_COMPLETE ||
+ mei_cl_is_transitioning(cl))) {
+
if (signal_pending(current))
return -EINTR;
return -ERESTARTSYS;
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h
index cfdb144..467d9dd 100644
--- a/drivers/misc/mei/client.h
+++ b/drivers/misc/mei/client.h
@@ -76,6 +76,12 @@ static inline bool mei_cl_cmp_id(const struct mei_cl *cl1,
(cl1->host_client_id == cl2->host_client_id) &&
(cl1->me_client_id == cl2->me_client_id);
}
+static inline bool mei_cl_is_transitioning(struct mei_cl *cl)
+{
+ return (MEI_FILE_INITIALIZING == cl->state ||
+ MEI_FILE_DISCONNECTED == cl->state ||
+ MEI_FILE_DISCONNECTING == cl->state);
+}
int mei_cl_flow_ctrl_creds(struct mei_cl *cl);
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 6916045..23b5b7b 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -35,11 +35,15 @@ static void mei_hbm_me_cl_allocate(struct mei_device *dev)
struct mei_me_client *clients;
int b;
+ dev->me_clients_num = 0;
+ dev->me_client_presentation_num = 0;
+ dev->me_client_index = 0;
+
/* count how many ME clients we have */
for_each_set_bit(b, dev->me_clients_map, MEI_CLIENTS_MAX)
dev->me_clients_num++;
- if (dev->me_clients_num <= 0)
+ if (dev->me_clients_num == 0)
return;
kfree(dev->me_clients);
@@ -221,7 +225,7 @@ static int mei_hbm_prop_req(struct mei_device *dev)
struct hbm_props_request *prop_req;
const size_t len = sizeof(struct hbm_props_request);
unsigned long next_client_index;
- u8 client_num;
+ unsigned long client_num;
client_num = dev->me_client_presentation_num;
@@ -650,8 +654,6 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
if (dev->dev_state == MEI_DEV_INIT_CLIENTS &&
dev->hbm_state == MEI_HBM_ENUM_CLIENTS) {
dev->init_clients_timer = 0;
- dev->me_client_presentation_num = 0;
- dev->me_client_index = 0;
mei_hbm_me_cl_allocate(dev);
dev->hbm_state = MEI_HBM_CLIENT_PROPERTIES;
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 6eec689..878bc1c 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -164,6 +164,9 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
memset(&dev->wr_ext_msg, 0, sizeof(dev->wr_ext_msg));
}
+ /* we're already in reset, cancel the init timer */
+ dev->init_clients_timer = 0;
+
dev->me_clients_num = 0;
dev->rd_msg_hdr = 0;
dev->wd_pending = false;
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 053139f..701698d 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -262,19 +262,16 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
mutex_unlock(&dev->device_lock);
if (wait_event_interruptible(cl->rx_wait,
- (MEI_READ_COMPLETE == cl->reading_state ||
- MEI_FILE_INITIALIZING == cl->state ||
- MEI_FILE_DISCONNECTED == cl->state ||
- MEI_FILE_DISCONNECTING == cl->state))) {
+ MEI_READ_COMPLETE == cl->reading_state ||
+ mei_cl_is_transitioning(cl))) {
+
if (signal_pending(current))
return -EINTR;
return -ERESTARTSYS;
}
mutex_lock(&dev->device_lock);
- if (MEI_FILE_INITIALIZING == cl->state ||
- MEI_FILE_DISCONNECTED == cl->state ||
- MEI_FILE_DISCONNECTING == cl->state) {
+ if (mei_cl_is_transitioning(cl)) {
rets = -EBUSY;
goto out;
}
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 4de5140..73c7700 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -402,9 +402,9 @@ struct mei_device {
struct mei_me_client *me_clients; /* Note: memory has to be allocated */
DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX);
DECLARE_BITMAP(host_clients_map, MEI_CLIENTS_MAX);
- u8 me_clients_num;
- u8 me_client_presentation_num;
- u8 me_client_index;
+ unsigned long me_clients_num;
+ unsigned long me_client_presentation_num;
+ unsigned long me_client_index;
struct mei_cl wd_cl;
enum mei_wd_states wd_state;
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index d0cf7d8..8872e0f 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -1634,6 +1634,9 @@ int iwctl_siwencodeext(struct net_device *dev, struct iw_request_info *info,
if (pMgmt == NULL)
return -EFAULT;
+ if (!(pDevice->flags & DEVICE_FLAGS_OPENED))
+ return -ENODEV;
+
buf = kzalloc(sizeof(struct viawget_wpa_param), GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 3a3fdc5..06b966c 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1099,6 +1099,8 @@ static int device_close(struct net_device *dev)
memset(pMgmt->abyCurrBSSID, 0, 6);
pMgmt->eCurrState = WMAC_STATE_IDLE;
+ pDevice->flags &= ~DEVICE_FLAGS_OPENED;
+
device_free_tx_bufs(pDevice);
device_free_rx_bufs(pDevice);
device_free_int_bufs(pDevice);
@@ -1110,7 +1112,6 @@ static int device_close(struct net_device *dev)
usb_free_urb(pDevice->pInterruptURB);
BSSvClearNodeDBTable(pDevice, 0);
- pDevice->flags &=(~DEVICE_FLAGS_OPENED);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n");
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 572d481..20e4c94 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -658,11 +658,12 @@ static int dma_push_rx(struct eg20t_port *priv, int size)
dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
size - room);
if (!room)
- return room;
+ goto out;
tty_insert_flip_string(tport, sg_virt(&priv->sg_rx), size);
port->icount.rx += room;
+out:
tty_kref_put(tty);
return room;
@@ -1071,6 +1072,8 @@ static void pch_uart_err_ir(struct eg20t_port *priv, unsigned int lsr)
if (tty == NULL) {
for (i = 0; error_msg[i] != NULL; i++)
dev_err(&priv->pdev->dev, error_msg[i]);
+ } else {
+ tty_kref_put(tty);
}
}
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index 9799d04..357a837 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -726,7 +726,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data)
static void tegra_uart_stop_rx(struct uart_port *u)
{
struct tegra_uart_port *tup = to_tegra_uport(u);
- struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
+ struct tty_struct *tty;
struct tty_port *port = &u->state->port;
struct dma_tx_state state;
unsigned long ier;
@@ -738,6 +738,8 @@ static void tegra_uart_stop_rx(struct uart_port *u)
if (!tup->rx_in_progress)
return;
+ tty = tty_port_tty_get(&tup->uport.state->port);
+
tegra_uart_wait_sym_time(tup, 1); /* wait a character interval */
ier = tup->ier_shadow;
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 3500d41..088b4ca 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -1201,6 +1201,9 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
}
return 0;
case TCFLSH:
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
return __tty_perform_flush(tty, arg);
default:
/* Try the mode commands */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index c88c4fb..ce773cc 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
if ((index & ~USB_DIR_IN) == 0)
return 0;
ret = findintfep(ps->dev, index);
+ if (ret < 0) {
+ /*
+ * Some not fully compliant Win apps seem to get
+ * index wrong and have the endpoint number here
+ * rather than the endpoint address (with the
+ * correct direction). Win does let this through,
+ * so we'll not reject it here but leave it to
+ * the device to not break KVM. But we warn.
+ */
+ ret = findintfep(ps->dev, index ^ 0x80);
+ if (ret >= 0)
+ dev_info(&ps->dev->dev,
+ "%s: process %i (%s) requesting ep %02x but needs %02x\n",
+ __func__, task_pid_nr(current),
+ current->comm, index, index ^ 0x80);
+ }
if (ret >= 0)
ret = checkintf(ps, ret);
break;
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index eba9e2b..2357c4e 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -48,6 +48,8 @@
/* FIXME define these in <linux/pci_ids.h> */
#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
+#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
+#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
struct dwc3_pci {
struct device *dev;
@@ -208,6 +210,8 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = {
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f394f29..b6e9d91 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1034,37 +1034,19 @@ struct ffs_sb_fill_data {
struct ffs_file_perms perms;
umode_t root_mode;
const char *dev_name;
- union {
- /* set by ffs_fs_mount(), read by ffs_sb_fill() */
- void *private_data;
- /* set by ffs_sb_fill(), read by ffs_fs_mount */
- struct ffs_data *ffs_data;
- };
+ struct ffs_data *ffs_data;
};
static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
{
struct ffs_sb_fill_data *data = _data;
struct inode *inode;
- struct ffs_data *ffs;
+ struct ffs_data *ffs = data->ffs_data;
ENTER();
- /* Initialise data */
- ffs = ffs_data_new();
- if (unlikely(!ffs))
- goto Enomem;
-
ffs->sb = sb;
- ffs->dev_name = kstrdup(data->dev_name, GFP_KERNEL);
- if (unlikely(!ffs->dev_name))
- goto Enomem;
- ffs->file_perms = data->perms;
- ffs->private_data = data->private_data;
-
- /* used by the caller of this function */
- data->ffs_data = ffs;
-
+ data->ffs_data = NULL;
sb->s_fs_info = ffs;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@@ -1080,17 +1062,14 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
&data->perms);
sb->s_root = d_make_root(inode);
if (unlikely(!sb->s_root))
- goto Enomem;
+ return -ENOMEM;
/* EP0 file */
if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs,
&ffs_ep0_operations, NULL)))
- goto Enomem;
+ return -ENOMEM;
return 0;
-
-Enomem:
- return -ENOMEM;
}
static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)
@@ -1193,6 +1172,7 @@ ffs_fs_mount(struct file_system_type *t, int flags,
struct dentry *rv;
int ret;
void *ffs_dev;
+ struct ffs_data *ffs;
ENTER();
@@ -1200,18 +1180,30 @@ ffs_fs_mount(struct file_system_type *t, int flags,
if (unlikely(ret < 0))
return ERR_PTR(ret);
+ ffs = ffs_data_new();
+ if (unlikely(!ffs))
+ return ERR_PTR(-ENOMEM);
+ ffs->file_perms = data.perms;
+
+ ffs->dev_name = kstrdup(dev_name, GFP_KERNEL);
+ if (unlikely(!ffs->dev_name)) {
+ ffs_data_put(ffs);
+ return ERR_PTR(-ENOMEM);
+ }
+
ffs_dev = functionfs_acquire_dev_callback(dev_name);
- if (IS_ERR(ffs_dev))
- return ffs_dev;
+ if (IS_ERR(ffs_dev)) {
+ ffs_data_put(ffs);
+ return ERR_CAST(ffs_dev);
+ }
+ ffs->private_data = ffs_dev;
+ data.ffs_data = ffs;
- data.dev_name = dev_name;
- data.private_data = ffs_dev;
rv = mount_nodev(t, flags, &data, ffs_sb_fill);
-
- /* data.ffs_data is set by ffs_sb_fill */
- if (IS_ERR(rv))
+ if (IS_ERR(rv) && data.ffs_data) {
functionfs_release_dev_callback(data.ffs_data);
-
+ ffs_data_put(data.ffs_data);
+ }
return rv;
}
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 3be3df2..3c0a49a 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -130,7 +130,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
}
/* Enable USB controller, 83xx or 8536 */
- if (pdata->have_sysif_regs)
+ if (pdata->have_sysif_regs && pdata->controller_ver < FSL_USB_VER_1_6)
setbits32(hcd->regs + FSL_SOC_USB_CTRL, 0x4);
/* Don't need to set host mode here. It will be done by tdi_reset() */
@@ -232,15 +232,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
case FSL_USB2_PHY_ULPI:
if (pdata->have_sysif_regs && pdata->controller_ver) {
/* controller version 1.6 or above */
+ clrbits32(non_ehci + FSL_SOC_USB_CTRL, UTMI_PHY_EN);
setbits32(non_ehci + FSL_SOC_USB_CTRL,
- ULPI_PHY_CLK_SEL);
- /*
- * Due to controller issue of PHY_CLK_VALID in ULPI
- * mode, we set USB_CTRL_USB_EN before checking
- * PHY_CLK_VALID, otherwise PHY_CLK_VALID doesn't work.
- */
- clrsetbits_be32(non_ehci + FSL_SOC_USB_CTRL,
- UTMI_PHY_EN, USB_CTRL_USB_EN);
+ ULPI_PHY_CLK_SEL | USB_CTRL_USB_EN);
}
portsc |= PORT_PTS_ULPI;
break;
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 595d210..8fe401c 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -403,7 +403,7 @@ static struct pci_driver ehci_pci_driver = {
.remove = usb_hcd_pci_remove,
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index fc627fd..865946c 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -231,31 +231,26 @@ static int ohci_urb_enqueue (
frame &= ~(ed->interval - 1);
frame |= ed->branch;
urb->start_frame = frame;
+ ed->last_iso = frame + ed->interval * (size - 1);
}
} else if (ed->type == PIPE_ISOCHRONOUS) {
u16 next = ohci_frame_no(ohci) + 1;
u16 frame = ed->last_iso + ed->interval;
+ u16 length = ed->interval * (size - 1);
/* Behind the scheduling threshold? */
if (unlikely(tick_before(frame, next))) {
- /* USB_ISO_ASAP: Round up to the first available slot */
+ /* URB_ISO_ASAP: Round up to the first available slot */
if (urb->transfer_flags & URB_ISO_ASAP) {
frame += (next - frame + ed->interval - 1) &
-ed->interval;
/*
- * Not ASAP: Use the next slot in the stream. If
- * the entire URB falls before the threshold, fail.
+ * Not ASAP: Use the next slot in the stream,
+ * no matter what.
*/
} else {
- if (tick_before(frame + ed->interval *
- (urb->number_of_packets - 1), next)) {
- retval = -EXDEV;
- usb_hcd_unlink_urb_from_ep(hcd, urb);
- goto fail;
- }
-
/*
* Some OHCI hardware doesn't handle late TDs
* correctly. After retiring them it proceeds
@@ -266,9 +261,16 @@ static int ohci_urb_enqueue (
urb_priv->td_cnt = DIV_ROUND_UP(
(u16) (next - frame),
ed->interval);
+ if (urb_priv->td_cnt >= urb_priv->length) {
+ ++urb_priv->td_cnt; /* Mark it */
+ ohci_dbg(ohci, "iso underrun %p (%u+%u < %u)\n",
+ urb, frame, length,
+ next);
+ }
}
}
urb->start_frame = frame;
+ ed->last_iso = frame + length;
}
/* fill the TDs and link them to the ed; and
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c
index 88731b7..37dc837 100644
--- a/drivers/usb/host/ohci-q.c
+++ b/drivers/usb/host/ohci-q.c
@@ -41,8 +41,12 @@ finish_urb(struct ohci_hcd *ohci, struct urb *urb, int status)
__releases(ohci->lock)
__acquires(ohci->lock)
{
+ struct usb_host_endpoint *ep = urb->ep;
+ struct urb_priv *urb_priv;
+
// ASSERT (urb->hcpriv != 0);
+ restart:
urb_free_priv (ohci, urb->hcpriv);
urb->hcpriv = NULL;
if (likely(status == -EINPROGRESS))
@@ -79,6 +83,21 @@ __acquires(ohci->lock)
ohci->hc_control &= ~(OHCI_CTRL_PLE|OHCI_CTRL_IE);
ohci_writel (ohci, ohci->hc_control, &ohci->regs->control);
}
+
+ /*
+ * An isochronous URB that is sumitted too late won't have any TDs
+ * (marked by the fact that the td_cnt value is larger than the
+ * actual number of TDs). If the next URB on this endpoint is like
+ * that, give it back now.
+ */
+ if (!list_empty(&ep->urb_list)) {
+ urb = list_first_entry(&ep->urb_list, struct urb, urb_list);
+ urb_priv = urb->hcpriv;
+ if (urb_priv->td_cnt > urb_priv->length) {
+ status = 0;
+ goto restart;
+ }
+ }
}
@@ -545,7 +564,6 @@ td_fill (struct ohci_hcd *ohci, u32 info,
td->hwCBP = cpu_to_hc32 (ohci, data & 0xFFFFF000);
*ohci_hwPSWp(ohci, td, 0) = cpu_to_hc16 (ohci,
(data & 0x0FFF) | 0xE000);
- td->ed->last_iso = info & 0xffff;
} else {
td->hwCBP = cpu_to_hc32 (ohci, data);
}
@@ -994,7 +1012,7 @@ rescan_this:
urb_priv->td_cnt++;
/* if URB is done, clean up */
- if (urb_priv->td_cnt == urb_priv->length) {
+ if (urb_priv->td_cnt >= urb_priv->length) {
modified = completed = 1;
finish_urb(ohci, urb, 0);
}
@@ -1084,7 +1102,7 @@ static void takeback_td(struct ohci_hcd *ohci, struct td *td)
urb_priv->td_cnt++;
/* If all this urb's TDs are done, call complete() */
- if (urb_priv->td_cnt == urb_priv->length)
+ if (urb_priv->td_cnt >= urb_priv->length)
finish_urb(ohci, urb, status);
/* clean schedule: unlink EDs that are no longer busy */
diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c
index c300bd2f7..0f228c4 100644
--- a/drivers/usb/host/uhci-pci.c
+++ b/drivers/usb/host/uhci-pci.c
@@ -293,7 +293,7 @@ static struct pci_driver uhci_pci_driver = {
.remove = usb_hcd_pci_remove,
.shutdown = uhci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 041c6dd..da6f56d 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1303,7 +1303,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb,
}
/* Fell behind? */
- if (uhci_frame_before_eq(frame, next)) {
+ if (!uhci_frame_before_eq(next, frame)) {
/* USB_ISO_ASAP: Round up to the first available slot */
if (urb->transfer_flags & URB_ISO_ASAP)
@@ -1311,13 +1311,17 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb,
-qh->period;
/*
- * Not ASAP: Use the next slot in the stream. If
- * the entire URB falls before the threshold, fail.
+ * Not ASAP: Use the next slot in the stream,
+ * no matter what.
*/
else if (!uhci_frame_before_eq(next,
frame + (urb->number_of_packets - 1) *
qh->period))
- return -EXDEV;
+ dev_dbg(uhci_dev(uhci), "iso underrun %p (%u+%u < %u)\n",
+ urb, frame,
+ (urb->number_of_packets - 1) *
+ qh->period,
+ next);
}
}
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 187a3ec..7cdcfd0 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -286,7 +286,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend)
if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue)
xhci_queue_stop_endpoint(xhci, slot_id, i, suspend);
}
- cmd->command_trb = xhci->cmd_ring->enqueue;
+ cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring);
list_add_tail(&cmd->cmd_list, &virt_dev->cmd_list);
xhci_queue_stop_endpoint(xhci, slot_id, 0, suspend);
xhci_ring_cmd_db(xhci);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index f00cb20..159e3c6 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -345,7 +345,7 @@ static struct pci_driver xhci_pci_driver = {
/* suspend and resume implemented later */
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index cc3bfc5..bcfb08e 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -122,6 +122,16 @@ static int enqueue_is_link_trb(struct xhci_ring *ring)
return TRB_TYPE_LINK_LE32(link->control);
}
+union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring)
+{
+ /* Enqueue pointer can be left pointing to the link TRB,
+ * we must handle that
+ */
+ if (TRB_TYPE_LINK_LE32(ring->enqueue->link.control))
+ return ring->enq_seg->next->trbs;
+ return ring->enqueue;
+}
+
/* Updates trb to point to the next TRB in the ring, and updates seg if the next
* TRB is in a new segment. This does not skip over link TRBs, and it does not
* effect the ring dequeue or enqueue pointers.
@@ -847,8 +857,12 @@ remove_finished_td:
/* Otherwise ring the doorbell(s) to restart queued transfers */
ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
}
- ep->stopped_td = NULL;
- ep->stopped_trb = NULL;
+
+ /* Clear stopped_td and stopped_trb if endpoint is not halted */
+ if (!(ep->ep_state & EP_HALTED)) {
+ ep->stopped_td = NULL;
+ ep->stopped_trb = NULL;
+ }
/*
* Drop the lock and complete the URBs in the cancelled TD list.
@@ -1390,6 +1404,12 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
inc_deq(xhci, xhci->cmd_ring);
return;
}
+ /* There is no command to handle if we get a stop event when the
+ * command ring is empty, event->cmd_trb points to the next
+ * unset command
+ */
+ if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue)
+ return;
}
switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3])
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f4a49c4..4a5251f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2592,15 +2592,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
if (command) {
cmd_completion = command->completion;
cmd_status = &command->status;
- command->command_trb = xhci->cmd_ring->enqueue;
-
- /* Enqueue pointer can be left pointing to the link TRB,
- * we must handle that
- */
- if (TRB_TYPE_LINK_LE32(command->command_trb->link.control))
- command->command_trb =
- xhci->cmd_ring->enq_seg->next->trbs;
-
+ command->command_trb = xhci_find_next_enqueue(xhci->cmd_ring);
list_add_tail(&command->cmd_list, &virt_dev->cmd_list);
} else {
cmd_completion = &virt_dev->cmd_completion;
@@ -2608,7 +2600,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
}
init_completion(cmd_completion);
- cmd_trb = xhci->cmd_ring->dequeue;
+ cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring);
if (!ctx_change)
ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,
udev->slot_id, must_succeed);
@@ -3393,14 +3385,7 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev)
/* Attempt to submit the Reset Device command to the command ring */
spin_lock_irqsave(&xhci->lock, flags);
- reset_device_cmd->command_trb = xhci->cmd_ring->enqueue;
-
- /* Enqueue pointer can be left pointing to the link TRB,
- * we must handle that
- */
- if (TRB_TYPE_LINK_LE32(reset_device_cmd->command_trb->link.control))
- reset_device_cmd->command_trb =
- xhci->cmd_ring->enq_seg->next->trbs;
+ reset_device_cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring);
list_add_tail(&reset_device_cmd->cmd_list, &virt_dev->cmd_list);
ret = xhci_queue_reset_device(xhci, slot_id);
@@ -3604,7 +3589,7 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
union xhci_trb *cmd_trb;
spin_lock_irqsave(&xhci->lock, flags);
- cmd_trb = xhci->cmd_ring->dequeue;
+ cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring);
ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0);
if (ret) {
spin_unlock_irqrestore(&xhci->lock, flags);
@@ -3731,7 +3716,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
spin_lock_irqsave(&xhci->lock, flags);
- cmd_trb = xhci->cmd_ring->dequeue;
+ cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring);
ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma,
udev->slot_id);
if (ret) {
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3638f1d..627fcd9 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1821,6 +1821,7 @@ int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
union xhci_trb *cmd_trb);
void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
unsigned int ep_index, unsigned int stream_id);
+union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring);
/* xHCI roothub code */
void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array,
diff --git a/fs/bio.c b/fs/bio.c
index c5eae72..5e7507d 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -917,8 +917,8 @@ void bio_copy_data(struct bio *dst, struct bio *src)
src_p = kmap_atomic(src_bv->bv_page);
dst_p = kmap_atomic(dst_bv->bv_page);
- memcpy(dst_p + dst_bv->bv_offset,
- src_p + src_bv->bv_offset,
+ memcpy(dst_p + dst_offset,
+ src_p + src_offset,
bytes);
kunmap_atomic(dst_p);
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index d0c6a00..eda1095 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_sb = sb;
sbi->s_block_base = 0;
sbi->s_type = FSTYPE_V7;
+ mutex_init(&sbi->s_lock);
sb->s_fs_info = sbi;
sb_set_blocksize(sb, 512);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 3cd3247..ef5bd3f 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -405,13 +405,14 @@ int dm_noflush_suspending(struct dm_target *ti);
union map_info *dm_get_mapinfo(struct bio *bio);
union map_info *dm_get_rq_mapinfo(struct request *rq);
+struct queue_limits *dm_get_queue_limits(struct mapped_device *md);
+
/*
* Geometry functions.
*/
int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo);
int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
-
/*-----------------------------------------------------------------
* Functions for manipulating device-mapper tables.
*---------------------------------------------------------------*/
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 9896954..5863ba6 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -837,7 +837,8 @@ static int snd_compress_dev_disconnect(struct snd_device *device)
struct snd_compr *compr;
compr = device->device_data;
- snd_unregister_device(compr->direction, compr->card, compr->device);
+ snd_unregister_device(SNDRV_DEVICE_TYPE_COMPRESS, compr->card,
+ compr->device);
return 0;
}
diff --git a/tools/lib/lk/debugfs.c b/tools/lib/lk/debugfs.c
index 099e7cd..7c43479 100644
--- a/tools/lib/lk/debugfs.c
+++ b/tools/lib/lk/debugfs.c
@@ -5,7 +5,6 @@
#include <stdbool.h>
#include <sys/vfs.h>
#include <sys/mount.h>
-#include <linux/magic.h>
#include <linux/kernel.h>
#include "debugfs.h"
--
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