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Date: Wed, 8 Nov 2023 14:09:50 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 6.6.1
diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml
index 303a443d9e29..9418fd66a8e9 100644
--- a/Documentation/devicetree/bindings/serial/rs485.yaml
+++ b/Documentation/devicetree/bindings/serial/rs485.yaml
@@ -29,6 +29,10 @@ properties:
default: 0
maximum: 100
+ rs485-rts-active-high:
+ description: drive RTS high when sending (this is the default).
+ $ref: /schemas/types.yaml#/definitions/flag
+
rs485-rts-active-low:
description: drive RTS low when sending (default is high).
$ref: /schemas/types.yaml#/definitions/flag
diff --git a/Makefile b/Makefile
index 5c418efbe89b..f8c14da7c7bc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 6
-SUBLEVEL = 0
+SUBLEVEL = 1
EXTRAVERSION =
NAME = Hurr durr I'ma ninja sloth
diff --git a/drivers/bluetooth/hci_bcm4377.c b/drivers/bluetooth/hci_bcm4377.c
index 19ad0e788646..a61757835695 100644
--- a/drivers/bluetooth/hci_bcm4377.c
+++ b/drivers/bluetooth/hci_bcm4377.c
@@ -512,6 +512,7 @@ struct bcm4377_hw {
unsigned long disable_aspm : 1;
unsigned long broken_ext_scan : 1;
unsigned long broken_mws_transport_config : 1;
+ unsigned long broken_le_coded : 1;
int (*send_calibration)(struct bcm4377_data *bcm4377);
int (*send_ptb)(struct bcm4377_data *bcm4377,
@@ -2372,6 +2373,8 @@ static int bcm4377_probe(struct pci_dev *pdev, const struct pci_device_id *id)
set_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &hdev->quirks);
if (bcm4377->hw->broken_ext_scan)
set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks);
+ if (bcm4377->hw->broken_le_coded)
+ set_bit(HCI_QUIRK_BROKEN_LE_CODED, &hdev->quirks);
pci_set_drvdata(pdev, bcm4377);
hci_set_drvdata(hdev, bcm4377);
@@ -2461,6 +2464,7 @@ static const struct bcm4377_hw bcm4377_hw_variants[] = {
.bar0_core2_window2 = 0x18107000,
.has_bar0_core2_window2 = true,
.broken_mws_transport_config = true,
+ .broken_le_coded = true,
.send_calibration = bcm4378_send_calibration,
.send_ptb = bcm4378_send_ptb,
},
@@ -2474,6 +2478,7 @@ static const struct bcm4377_hw bcm4377_hw_variants[] = {
.has_bar0_core2_window2 = true,
.clear_pciecfg_subsystem_ctrl_bit19 = true,
.broken_mws_transport_config = true,
+ .broken_le_coded = true,
.send_calibration = bcm4387_send_calibration,
.send_ptb = bcm4378_send_ptb,
},
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
index b87bfecb7755..a8e79104b684 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
@@ -586,7 +586,8 @@ static void dcn10_dmcu_set_psr_enable(struct dmcu *dmcu, bool enable, bool wait)
if (state == PSR_STATE0)
break;
}
- fsleep(500);
+ /* must *not* be fsleep - this can be called from high irq levels */
+ udelay(500);
}
/* assert if max retry hit */
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
index 0f24b6fbd220..4704c9c85ee6 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
@@ -216,7 +216,8 @@ static void dmub_psr_enable(struct dmub_psr *dmub, bool enable, bool wait, uint8
break;
}
- fsleep(500);
+ /* must *not* be fsleep - this can be called from high irq levels */
+ udelay(500);
}
/* assert if max retry hit */
diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index ed4d0ef5e5c3..7e1acc68d435 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -71,6 +71,7 @@
#define PCI_DEVICE_ID_TI_AM654 0xb00c
#define PCI_DEVICE_ID_TI_J7200 0xb00f
#define PCI_DEVICE_ID_TI_AM64 0xb010
+#define PCI_DEVICE_ID_TI_J721S2 0xb013
#define PCI_DEVICE_ID_LS1088A 0x80c0
#define PCI_DEVICE_ID_IMX8 0x0808
@@ -999,6 +1000,9 @@ static const struct pci_device_id pci_endpoint_test_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_AM64),
.driver_data = (kernel_ulong_t)&j721e_data,
},
+ { PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_J721S2),
+ .driver_data = (kernel_ulong_t)&j721e_data,
+ },
{ }
};
MODULE_DEVICE_TABLE(pci, pci_endpoint_test_tbl);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index eeec1d6f9023..e3e915329510 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -690,7 +690,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, quirk_ati_
/*
* In the AMD NL platform, this device ([1022:7912]) has a class code of
* PCI_CLASS_SERIAL_USB_XHCI (0x0c0330), which means the xhci driver will
- * claim it.
+ * claim it. The same applies on the VanGogh platform device ([1022:163a]).
*
* But the dwc3 driver is a more specific driver for this device, and we'd
* prefer to use it instead of xhci. To prevent xhci from claiming the
@@ -698,7 +698,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, quirk_ati_
* defines as "USB device (not host controller)". The dwc3 driver can then
* claim it based on its Vendor and Device ID.
*/
-static void quirk_amd_nl_class(struct pci_dev *pdev)
+static void quirk_amd_dwc_class(struct pci_dev *pdev)
{
u32 class = pdev->class;
@@ -708,7 +708,9 @@ static void quirk_amd_nl_class(struct pci_dev *pdev)
class, pdev->class);
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB,
- quirk_amd_nl_class);
+ quirk_amd_dwc_class);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VANGOGH_USB,
+ quirk_amd_dwc_class);
/*
* Synopsys USB 3.x host HAPS platform has a class code of
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 0b69fb7bafd8..416409e2fd6d 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -29,7 +29,7 @@
struct class *power_supply_class;
EXPORT_SYMBOL_GPL(power_supply_class);
-ATOMIC_NOTIFIER_HEAD(power_supply_notifier);
+BLOCKING_NOTIFIER_HEAD(power_supply_notifier);
EXPORT_SYMBOL_GPL(power_supply_notifier);
static struct device_type power_supply_dev_type;
@@ -97,7 +97,7 @@ static void power_supply_changed_work(struct work_struct *work)
class_for_each_device(power_supply_class, NULL, psy,
__power_supply_changed_work);
power_supply_update_leds(psy);
- atomic_notifier_call_chain(&power_supply_notifier,
+ blocking_notifier_call_chain(&power_supply_notifier,
PSY_EVENT_PROP_CHANGED, psy);
kobject_uevent(&psy->dev.kobj, KOBJ_CHANGE);
spin_lock_irqsave(&psy->changed_lock, flags);
@@ -1262,13 +1262,13 @@ static void power_supply_dev_release(struct device *dev)
int power_supply_reg_notifier(struct notifier_block *nb)
{
- return atomic_notifier_chain_register(&power_supply_notifier, nb);
+ return blocking_notifier_chain_register(&power_supply_notifier, nb);
}
EXPORT_SYMBOL_GPL(power_supply_reg_notifier);
void power_supply_unreg_notifier(struct notifier_block *nb)
{
- atomic_notifier_chain_unregister(&power_supply_notifier, nb);
+ blocking_notifier_chain_unregister(&power_supply_notifier, nb);
}
EXPORT_SYMBOL_GPL(power_supply_unreg_notifier);
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 1f3aba607cd5..0ee7531c9201 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -4108,6 +4108,8 @@ static int gsm_modem_upd_via_msc(struct gsm_dlci *dlci, u8 brk)
static int gsm_modem_update(struct gsm_dlci *dlci, u8 brk)
{
+ if (dlci->gsm->dead)
+ return -EL2HLT;
if (dlci->adaption == 2) {
/* Send convergence layer type 2 empty data frame. */
gsm_modem_upd_via_data(dlci, brk);
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 62a9bd30b4db..bbd7914ddc9a 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -2429,6 +2429,153 @@ static struct pci_serial_quirk pci_serial_quirks[] = {
.init = pci_oxsemi_tornado_init,
.setup = pci_oxsemi_tornado_setup,
},
+ /*
+ * Brainboxes devices - all Oxsemi based
+ */
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4027,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4028,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4029,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4019,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4016,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4015,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x400A,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x400E,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x400C,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x400B,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x400F,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4010,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4011,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x401D,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x401E,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4013,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4017,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_INTASHIELD,
+ .device = 0x4018,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .init = pci_oxsemi_tornado_init,
+ .setup = pci_oxsemi_tornado_setup,
+ },
{
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x8811,
@@ -4913,6 +5060,12 @@ static const struct pci_device_id serial_pci_tbl[] = {
0, 0,
pbn_b1_bt_1_115200 },
+ /*
+ * IntaShield IS-100
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0D60,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ pbn_b2_1_115200 },
/*
* IntaShield IS-200
*/
@@ -4925,6 +5078,27 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS400,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0dc0 */
pbn_b2_4_115200 },
+ /*
+ * IntaShield IX-100
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x4027,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_oxsemi_1_15625000 },
+ /*
+ * IntaShield IX-200
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x4028,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_oxsemi_2_15625000 },
+ /*
+ * IntaShield IX-400
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x4029,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_oxsemi_4_15625000 },
/* Brainboxes Devices */
/*
* Brainboxes UC-101
@@ -4940,10 +5114,14 @@ static const struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
pbn_b2_1_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0AA2,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_1_115200 },
/*
- * Brainboxes UC-257
+ * Brainboxes UC-253/UC-734
*/
- { PCI_VENDOR_ID_INTASHIELD, 0x0861,
+ { PCI_VENDOR_ID_INTASHIELD, 0x0CA1,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
pbn_b2_2_115200 },
@@ -4979,6 +5157,14 @@ static const struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x08E2,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x08E3,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
/*
* Brainboxes UC-310
*/
@@ -4989,6 +5175,14 @@ static const struct pci_device_id serial_pci_tbl[] = {
/*
* Brainboxes UC-313
*/
+ { PCI_VENDOR_ID_INTASHIELD, 0x08A1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x08A2,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
{ PCI_VENDOR_ID_INTASHIELD, 0x08A3,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
@@ -5003,6 +5197,10 @@ static const struct pci_device_id serial_pci_tbl[] = {
/*
* Brainboxes UC-346
*/
+ { PCI_VENDOR_ID_INTASHIELD, 0x0B01,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_4_115200 },
{ PCI_VENDOR_ID_INTASHIELD, 0x0B02,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
@@ -5014,6 +5212,10 @@ static const struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0A82,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
{ PCI_VENDOR_ID_INTASHIELD, 0x0A83,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
@@ -5026,12 +5228,94 @@ static const struct pci_device_id serial_pci_tbl[] = {
0, 0,
pbn_b2_4_115200 },
/*
- * Brainboxes UC-420/431
+ * Brainboxes UC-420
*/
{ PCI_VENDOR_ID_INTASHIELD, 0x0921,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
pbn_b2_4_115200 },
+ /*
+ * Brainboxes UC-607
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x09A1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x09A2,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x09A3,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UC-836
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0D41,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_4_115200 },
+ /*
+ * Brainboxes UP-189
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0AC1,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0AC2,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0AC3,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UP-200
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0B21,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0B22,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0B23,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UP-869
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C01,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C02,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C03,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ /*
+ * Brainboxes UP-880
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C21,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C22,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0C23,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_2_115200 },
/*
* Brainboxes PX-101
*/
@@ -5064,7 +5348,7 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_INTASHIELD, 0x4015,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
- pbn_oxsemi_4_15625000 },
+ pbn_oxsemi_2_15625000 },
/*
* Brainboxes PX-260/PX-701
*/
@@ -5072,6 +5356,13 @@ static const struct pci_device_id serial_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
pbn_oxsemi_4_15625000 },
+ /*
+ * Brainboxes PX-275/279
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0E41,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b2_8_115200 },
/*
* Brainboxes PX-310
*/
@@ -5119,16 +5410,38 @@ static const struct pci_device_id serial_pci_tbl[] = {
0, 0,
pbn_oxsemi_4_15625000 },
/*
- * Brainboxes PX-803
+ * Brainboxes PX-475
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x401D,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_oxsemi_1_15625000 },
+ /*
+ * Brainboxes PX-803/PX-857
*/
{ PCI_VENDOR_ID_INTASHIELD, 0x4009,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
- pbn_b0_1_115200 },
+ pbn_b0_2_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x4018,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_oxsemi_2_15625000 },
{ PCI_VENDOR_ID_INTASHIELD, 0x401E,
PCI_ANY_ID, PCI_ANY_ID,
0, 0,
- pbn_oxsemi_1_15625000 },
+ pbn_oxsemi_2_15625000 },
+ /*
+ * Brainboxes PX-820
+ */
+ { PCI_VENDOR_ID_INTASHIELD, 0x4002,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_b0_4_115200 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x4013,
+ PCI_ANY_ID, PCI_ANY_ID,
+ 0, 0,
+ pbn_oxsemi_4_15625000 },
/*
* Brainboxes PX-846
*/
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index d5ba6e90bd95..f912f8bf1e63 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -146,7 +146,7 @@ static void __uart_start(struct uart_state *state)
/* Increment the runtime PM usage count for the active check below */
err = pm_runtime_get(&port_dev->dev);
- if (err < 0) {
+ if (err < 0 && err != -EINPROGRESS) {
pm_runtime_put_noidle(&port_dev->dev);
return;
}
diff --git a/drivers/usb/gadget/legacy/raw_gadget.c b/drivers/usb/gadget/legacy/raw_gadget.c
index e549022642e5..ea106ad665a1 100644
--- a/drivers/usb/gadget/legacy/raw_gadget.c
+++ b/drivers/usb/gadget/legacy/raw_gadget.c
@@ -663,12 +663,12 @@ static int raw_process_ep0_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
if (WARN_ON(in && dev->ep0_out_pending)) {
ret = -ENODEV;
dev->state = STATE_DEV_FAILED;
- goto out_done;
+ goto out_unlock;
}
if (WARN_ON(!in && dev->ep0_in_pending)) {
ret = -ENODEV;
dev->state = STATE_DEV_FAILED;
- goto out_done;
+ goto out_unlock;
}
dev->req->buf = data;
@@ -683,7 +683,7 @@ static int raw_process_ep0_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
"fail, usb_ep_queue returned %d\n", ret);
spin_lock_irqsave(&dev->lock, flags);
dev->state = STATE_DEV_FAILED;
- goto out_done;
+ goto out_queue_failed;
}
ret = wait_for_completion_interruptible(&dev->ep0_done);
@@ -692,13 +692,16 @@ static int raw_process_ep0_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
usb_ep_dequeue(dev->gadget->ep0, dev->req);
wait_for_completion(&dev->ep0_done);
spin_lock_irqsave(&dev->lock, flags);
- goto out_done;
+ if (dev->ep0_status == -ECONNRESET)
+ dev->ep0_status = -EINTR;
+ goto out_interrupted;
}
spin_lock_irqsave(&dev->lock, flags);
- ret = dev->ep0_status;
-out_done:
+out_interrupted:
+ ret = dev->ep0_status;
+out_queue_failed:
dev->ep0_urb_queued = false;
out_unlock:
spin_unlock_irqrestore(&dev->lock, flags);
@@ -1067,7 +1070,7 @@ static int raw_process_ep_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
"fail, usb_ep_queue returned %d\n", ret);
spin_lock_irqsave(&dev->lock, flags);
dev->state = STATE_DEV_FAILED;
- goto out_done;
+ goto out_queue_failed;
}
ret = wait_for_completion_interruptible(&done);
@@ -1076,13 +1079,16 @@ static int raw_process_ep_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
usb_ep_dequeue(ep->ep, ep->req);
wait_for_completion(&done);
spin_lock_irqsave(&dev->lock, flags);
- goto out_done;
+ if (ep->status == -ECONNRESET)
+ ep->status = -EINTR;
+ goto out_interrupted;
}
spin_lock_irqsave(&dev->lock, flags);
- ret = ep->status;
-out_done:
+out_interrupted:
+ ret = ep->status;
+out_queue_failed:
ep->urb_queued = false;
out_unlock:
spin_unlock_irqrestore(&dev->lock, flags);
diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h
index 0547daf116a2..5df40759d77a 100644
--- a/drivers/usb/storage/unusual_cypress.h
+++ b/drivers/usb/storage/unusual_cypress.h
@@ -19,7 +19,7 @@ UNUSUAL_DEV( 0x04b4, 0x6831, 0x0000, 0x9999,
"Cypress ISD-300LP",
USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
-UNUSUAL_DEV( 0x14cd, 0x6116, 0x0160, 0x0160,
+UNUSUAL_DEV( 0x14cd, 0x6116, 0x0150, 0x0160,
"Super Top",
"USB 2.0 SATA BRIDGE",
USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index d962f67c95ae..25e7e14da2a7 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1625,6 +1625,9 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
if (PD_VDO_VID(p[0]) != USB_SID_PD)
break;
+ if (IS_ERR_OR_NULL(port->partner))
+ break;
+
if (PD_VDO_SVDM_VER(p[0]) < svdm_version) {
typec_partner_set_svdm_version(port->partner,
PD_VDO_SVDM_VER(p[0]));
@@ -3903,6 +3906,8 @@ static void run_state_machine(struct tcpm_port *port)
port->potential_contaminant = ((port->enter_state == SRC_ATTACH_WAIT &&
port->state == SRC_UNATTACHED) ||
(port->enter_state == SNK_ATTACH_WAIT &&
+ port->state == SNK_UNATTACHED) ||
+ (port->enter_state == SNK_DEBOUNCED &&
port->state == SNK_UNATTACHED));
port->enter_state = port->state;
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index 8c8d64e76103..5fcfb634fec2 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -38,7 +38,10 @@ struct eventfs_inode {
* @fop: file_operations for file or directory
* @iop: inode_operations for file or directory
* @data: something that the caller will want to get to later on
+ * @is_freed: Flag set if the eventfs is on its way to be freed
* @mode: the permission that the file or directory should have
+ * @uid: saved uid if changed
+ * @gid: saved gid if changed
*/
struct eventfs_file {
const char *name;
@@ -50,22 +53,32 @@ struct eventfs_file {
const struct inode_operations *iop;
/*
* Union - used for deletion
- * @del_list: list of eventfs_file to delete
+ * @llist: for calling dput() if needed after RCU
* @rcu: eventfs_file to delete in RCU
- * @is_freed: node is freed if one of the above is set
*/
union {
- struct list_head del_list;
+ struct llist_node llist;
struct rcu_head rcu;
- unsigned long is_freed;
};
void *data;
- umode_t mode;
+ unsigned int is_freed:1;
+ unsigned int mode:31;
+ kuid_t uid;
+ kgid_t gid;
};
static DEFINE_MUTEX(eventfs_mutex);
DEFINE_STATIC_SRCU(eventfs_srcu);
+/* Mode is unsigned short, use the upper bits for flags */
+enum {
+ EVENTFS_SAVE_MODE = BIT(16),
+ EVENTFS_SAVE_UID = BIT(17),
+ EVENTFS_SAVE_GID = BIT(18),
+};
+
+#define EVENTFS_MODE_MASK (EVENTFS_SAVE_MODE - 1)
+
static struct dentry *eventfs_root_lookup(struct inode *dir,
struct dentry *dentry,
unsigned int flags);
@@ -73,8 +86,53 @@ static int dcache_dir_open_wrapper(struct inode *inode, struct file *file);
static int dcache_readdir_wrapper(struct file *file, struct dir_context *ctx);
static int eventfs_release(struct inode *inode, struct file *file);
+static void update_attr(struct eventfs_file *ef, struct iattr *iattr)
+{
+ unsigned int ia_valid = iattr->ia_valid;
+
+ if (ia_valid & ATTR_MODE) {
+ ef->mode = (ef->mode & ~EVENTFS_MODE_MASK) |
+ (iattr->ia_mode & EVENTFS_MODE_MASK) |
+ EVENTFS_SAVE_MODE;
+ }
+ if (ia_valid & ATTR_UID) {
+ ef->mode |= EVENTFS_SAVE_UID;
+ ef->uid = iattr->ia_uid;
+ }
+ if (ia_valid & ATTR_GID) {
+ ef->mode |= EVENTFS_SAVE_GID;
+ ef->gid = iattr->ia_gid;
+ }
+}
+
+static int eventfs_set_attr(struct mnt_idmap *idmap, struct dentry *dentry,
+ struct iattr *iattr)
+{
+ struct eventfs_file *ef;
+ int ret;
+
+ mutex_lock(&eventfs_mutex);
+ ef = dentry->d_fsdata;
+ if (ef->is_freed) {
+ /* Do not allow changes if the event is about to be removed. */
+ mutex_unlock(&eventfs_mutex);
+ return -ENODEV;
+ }
+
+ ret = simple_setattr(idmap, dentry, iattr);
+ if (!ret)
+ update_attr(ef, iattr);
+ mutex_unlock(&eventfs_mutex);
+ return ret;
+}
+
static const struct inode_operations eventfs_root_dir_inode_operations = {
.lookup = eventfs_root_lookup,
+ .setattr = eventfs_set_attr,
+};
+
+static const struct inode_operations eventfs_file_inode_operations = {
+ .setattr = eventfs_set_attr,
};
static const struct file_operations eventfs_file_operations = {
@@ -85,10 +143,20 @@ static const struct file_operations eventfs_file_operations = {
.release = eventfs_release,
};
+static void update_inode_attr(struct inode *inode, struct eventfs_file *ef)
+{
+ inode->i_mode = ef->mode & EVENTFS_MODE_MASK;
+
+ if (ef->mode & EVENTFS_SAVE_UID)
+ inode->i_uid = ef->uid;
+
+ if (ef->mode & EVENTFS_SAVE_GID)
+ inode->i_gid = ef->gid;
+}
+
/**
* create_file - create a file in the tracefs filesystem
- * @name: the name of the file to create.
- * @mode: the permission that the file should have.
+ * @ef: the eventfs_file
* @parent: parent dentry for this file.
* @data: something that the caller will want to get to later on.
* @fop: struct file_operations that should be used for this file.
@@ -104,7 +172,7 @@ static const struct file_operations eventfs_file_operations = {
* If tracefs is not enabled in the kernel, the value -%ENODEV will be
* returned.
*/
-static struct dentry *create_file(const char *name, umode_t mode,
+static struct dentry *create_file(struct eventfs_file *ef,
struct dentry *parent, void *data,
const struct file_operations *fop)
{
@@ -112,13 +180,13 @@ static struct dentry *create_file(const char *name, umode_t mode,
struct dentry *dentry;
struct inode *inode;
- if (!(mode & S_IFMT))
- mode |= S_IFREG;
+ if (!(ef->mode & S_IFMT))
+ ef->mode |= S_IFREG;
- if (WARN_ON_ONCE(!S_ISREG(mode)))
+ if (WARN_ON_ONCE(!S_ISREG(ef->mode)))
return NULL;
- dentry = eventfs_start_creating(name, parent);
+ dentry = eventfs_start_creating(ef->name, parent);
if (IS_ERR(dentry))
return dentry;
@@ -127,7 +195,10 @@ static struct dentry *create_file(const char *name, umode_t mode,
if (unlikely(!inode))
return eventfs_failed_creating(dentry);
- inode->i_mode = mode;
+ /* If the user updated the directory's attributes, use them */
+ update_inode_attr(inode, ef);
+
+ inode->i_op = &eventfs_file_inode_operations;
inode->i_fop = fop;
inode->i_private = data;
@@ -140,7 +211,7 @@ static struct dentry *create_file(const char *name, umode_t mode,
/**
* create_dir - create a dir in the tracefs filesystem
- * @name: the name of the file to create.
+ * @ei: the eventfs_inode that represents the directory to create
* @parent: parent dentry for this file.
* @data: something that the caller will want to get to later on.
*
@@ -155,13 +226,14 @@ static struct dentry *create_file(const char *name, umode_t mode,
* If tracefs is not enabled in the kernel, the value -%ENODEV will be
* returned.
*/
-static struct dentry *create_dir(const char *name, struct dentry *parent, void *data)
+static struct dentry *create_dir(struct eventfs_file *ef,
+ struct dentry *parent, void *data)
{
struct tracefs_inode *ti;
struct dentry *dentry;
struct inode *inode;
- dentry = eventfs_start_creating(name, parent);
+ dentry = eventfs_start_creating(ef->name, parent);
if (IS_ERR(dentry))
return dentry;
@@ -169,7 +241,8 @@ static struct dentry *create_dir(const char *name, struct dentry *parent, void *
if (unlikely(!inode))
return eventfs_failed_creating(dentry);
- inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
+ update_inode_attr(inode, ef);
+
inode->i_op = &eventfs_root_dir_inode_operations;
inode->i_fop = &eventfs_file_operations;
inode->i_private = data;
@@ -184,6 +257,13 @@ static struct dentry *create_dir(const char *name, struct dentry *parent, void *
return eventfs_end_creating(dentry);
}
+static void free_ef(struct eventfs_file *ef)
+{
+ kfree(ef->name);
+ kfree(ef->ei);
+ kfree(ef);
+}
+
/**
* eventfs_set_ef_status_free - set the ef->status to free
* @ti: the tracefs_inode of the dentry
@@ -194,59 +274,37 @@ static struct dentry *create_dir(const char *name, struct dentry *parent, void *
*/
void eventfs_set_ef_status_free(struct tracefs_inode *ti, struct dentry *dentry)
{
- struct tracefs_inode *ti_parent;
struct eventfs_inode *ei;
- struct eventfs_file *ef, *tmp;
+ struct eventfs_file *ef;
/* The top level events directory may be freed by this */
if (unlikely(ti->flags & TRACEFS_EVENT_TOP_INODE)) {
- LIST_HEAD(ef_del_list);
-
mutex_lock(&eventfs_mutex);
-
ei = ti->private;
- /* Record all the top level files */
- list_for_each_entry_srcu(ef, &ei->e_top_files, list,
- lockdep_is_held(&eventfs_mutex)) {
- list_add_tail(&ef->del_list, &ef_del_list);
- }
-
/* Nothing should access this, but just in case! */
ti->private = NULL;
-
mutex_unlock(&eventfs_mutex);
- /* Now safely free the top level files and their children */
- list_for_each_entry_safe(ef, tmp, &ef_del_list, del_list) {
- list_del(&ef->del_list);
- eventfs_remove(ef);
- }
-
- kfree(ei);
+ ef = dentry->d_fsdata;
+ if (ef)
+ free_ef(ef);
return;
}
mutex_lock(&eventfs_mutex);
- ti_parent = get_tracefs(dentry->d_parent->d_inode);
- if (!ti_parent || !(ti_parent->flags & TRACEFS_EVENT_INODE))
- goto out;
-
ef = dentry->d_fsdata;
if (!ef)
goto out;
- /*
- * If ef was freed, then the LSB bit is set for d_fsdata.
- * But this should not happen, as it should still have a
- * ref count that prevents it. Warn in case it does.
- */
- if (WARN_ON_ONCE((unsigned long)ef & 1))
- goto out;
+ if (ef->is_freed) {
+ free_ef(ef);
+ } else {
+ ef->dentry = NULL;
+ }
dentry->d_fsdata = NULL;
- ef->dentry = NULL;
out:
mutex_unlock(&eventfs_mutex);
}
@@ -306,10 +364,9 @@ create_dentry(struct eventfs_file *ef, struct dentry *parent, bool lookup)
inode_lock(parent->d_inode);
if (ef->ei)
- dentry = create_dir(ef->name, parent, ef->data);
+ dentry = create_dir(ef, parent, ef->data);
else
- dentry = create_file(ef->name, ef->mode, parent,
- ef->data, ef->fop);
+ dentry = create_file(ef, parent, ef->data, ef->fop);
if (!lookup)
inode_unlock(parent->d_inode);
@@ -475,6 +532,7 @@ static int dcache_dir_open_wrapper(struct inode *inode, struct file *file)
if (d) {
struct dentry **tmp;
+
tmp = krealloc(dentries, sizeof(d) * (cnt + 2), GFP_KERNEL);
if (!tmp)
break;
@@ -549,13 +607,14 @@ static struct eventfs_file *eventfs_prepare_ef(const char *name, umode_t mode,
return ERR_PTR(-ENOMEM);
}
INIT_LIST_HEAD(&ef->ei->e_top_files);
+ ef->mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
} else {
ef->ei = NULL;
+ ef->mode = mode;
}
ef->iop = iop;
ef->fop = fop;
- ef->mode = mode;
ef->data = data;
return ef;
}
@@ -772,25 +831,64 @@ int eventfs_add_file(const char *name, umode_t mode,
return 0;
}
-static void free_ef(struct rcu_head *head)
+static LLIST_HEAD(free_list);
+
+static void eventfs_workfn(struct work_struct *work)
+{
+ struct eventfs_file *ef, *tmp;
+ struct llist_node *llnode;
+
+ llnode = llist_del_all(&free_list);
+ llist_for_each_entry_safe(ef, tmp, llnode, llist) {
+ /* This should only get here if it had a dentry */
+ if (!WARN_ON_ONCE(!ef->dentry))
+ dput(ef->dentry);
+ }
+}
+
+static DECLARE_WORK(eventfs_work, eventfs_workfn);
+
+static void free_rcu_ef(struct rcu_head *head)
{
struct eventfs_file *ef = container_of(head, struct eventfs_file, rcu);
- kfree(ef->name);
- kfree(ef->ei);
- kfree(ef);
+ if (ef->dentry) {
+ /* Do not free the ef until all references of dentry are gone */
+ if (llist_add(&ef->llist, &free_list))
+ queue_work(system_unbound_wq, &eventfs_work);
+ return;
+ }
+
+ free_ef(ef);
+}
+
+static void unhook_dentry(struct dentry *dentry)
+{
+ if (!dentry)
+ return;
+ /*
+ * Need to add a reference to the dentry that is expected by
+ * simple_recursive_removal(), which will include a dput().
+ */
+ dget(dentry);
+
+ /*
+ * Also add a reference for the dput() in eventfs_workfn().
+ * That is required as that dput() will free the ei after
+ * the SRCU grace period is over.
+ */
+ dget(dentry);
}
/**
* eventfs_remove_rec - remove eventfs dir or file from list
* @ef: eventfs_file to be removed.
- * @head: to create list of eventfs_file to be deleted
* @level: to check recursion depth
*
* The helper function eventfs_remove_rec() is used to clean up and free the
* associated data from eventfs for both of the added functions.
*/
-static void eventfs_remove_rec(struct eventfs_file *ef, struct list_head *head, int level)
+static void eventfs_remove_rec(struct eventfs_file *ef, int level)
{
struct eventfs_file *ef_child;
@@ -810,12 +908,16 @@ static void eventfs_remove_rec(struct eventfs_file *ef, struct list_head *head,
/* search for nested folders or files */
list_for_each_entry_srcu(ef_child, &ef->ei->e_top_files, list,
lockdep_is_held(&eventfs_mutex)) {
- eventfs_remove_rec(ef_child, head, level + 1);
+ eventfs_remove_rec(ef_child, level + 1);
}
}
+ ef->is_freed = 1;
+
+ unhook_dentry(ef->dentry);
+
list_del_rcu(&ef->list);
- list_add_tail(&ef->del_list, head);
+ call_srcu(&eventfs_srcu, &ef->rcu, free_rcu_ef);
}
/**
@@ -826,61 +928,22 @@ static void eventfs_remove_rec(struct eventfs_file *ef, struct list_head *head,
*/
void eventfs_remove(struct eventfs_file *ef)
{
- struct eventfs_file *tmp;
- LIST_HEAD(ef_del_list);
- struct dentry *dentry_list = NULL;
struct dentry *dentry;
if (!ef)
return;
mutex_lock(&eventfs_mutex);
- eventfs_remove_rec(ef, &ef_del_list, 0);
- list_for_each_entry_safe(ef, tmp, &ef_del_list, del_list) {
- if (ef->dentry) {
- unsigned long ptr = (unsigned long)dentry_list;
-
- /* Keep the dentry from being freed yet */
- dget(ef->dentry);
-
- /*
- * Paranoid: The dget() above should prevent the dentry
- * from being freed and calling eventfs_set_ef_status_free().
- * But just in case, set the link list LSB pointer to 1
- * and have eventfs_set_ef_status_free() check that to
- * make sure that if it does happen, it will not think
- * the d_fsdata is an event_file.
- *
- * For this to work, no event_file should be allocated
- * on a odd space, as the ef should always be allocated
- * to be at least word aligned. Check for that too.
- */
- WARN_ON_ONCE(ptr & 1);
-
- ef->dentry->d_fsdata = (void *)(ptr | 1);
- dentry_list = ef->dentry;
- ef->dentry = NULL;
- }
- call_srcu(&eventfs_srcu, &ef->rcu, free_ef);
- }
+ dentry = ef->dentry;
+ eventfs_remove_rec(ef, 0);
mutex_unlock(&eventfs_mutex);
- while (dentry_list) {
- unsigned long ptr;
-
- dentry = dentry_list;
- ptr = (unsigned long)dentry->d_fsdata & ~1UL;
- dentry_list = (struct dentry *)ptr;
- dentry->d_fsdata = NULL;
- d_invalidate(dentry);
- mutex_lock(&eventfs_mutex);
- /* dentry should now have at least a single reference */
- WARN_ONCE((int)d_count(dentry) < 1,
- "dentry %p less than one reference (%d) after invalidate\n",
- dentry, d_count(dentry));
- mutex_unlock(&eventfs_mutex);
- dput(dentry);
- }
+ /*
+ * If any of the ei children has a dentry, then the ei itself
+ * must have a dentry.
+ */
+ if (dentry)
+ simple_recursive_removal(dentry, NULL);
}
/**
@@ -891,6 +954,8 @@ void eventfs_remove(struct eventfs_file *ef)
*/
void eventfs_remove_events_dir(struct dentry *dentry)
{
+ struct eventfs_file *ef_child;
+ struct eventfs_inode *ei;
struct tracefs_inode *ti;
if (!dentry || !dentry->d_inode)
@@ -900,6 +965,11 @@ void eventfs_remove_events_dir(struct dentry *dentry)
if (!ti || !(ti->flags & TRACEFS_EVENT_INODE))
return;
- d_invalidate(dentry);
- dput(dentry);
+ mutex_lock(&eventfs_mutex);
+ ei = ti->private;
+ list_for_each_entry_srcu(ef_child, &ei->e_top_files, list,
+ lockdep_is_held(&eventfs_mutex)) {
+ eventfs_remove_rec(ef_child, 0);
+ }
+ mutex_unlock(&eventfs_mutex);
}
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 5fb3d4c393a9..3a8e24e9a93f 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -579,6 +579,7 @@
#define PCI_DEVICE_ID_AMD_1AH_M00H_DF_F3 0x12c3
#define PCI_DEVICE_ID_AMD_1AH_M20H_DF_F3 0x16fb
#define PCI_DEVICE_ID_AMD_MI200_DF_F3 0x14d3
+#define PCI_DEVICE_ID_AMD_VANGOGH_USB 0x163a
#define PCI_DEVICE_ID_AMD_CNB17H_F3 0x1703
#define PCI_DEVICE_ID_AMD_LANCE 0x2000
#define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index a427f13c757f..85b86768c0b9 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -767,7 +767,7 @@ struct power_supply_battery_info {
int bti_resistance_tolerance;
};
-extern struct atomic_notifier_head power_supply_notifier;
+extern struct blocking_notifier_head power_supply_notifier;
extern int power_supply_reg_notifier(struct notifier_block *nb);
extern void power_supply_unreg_notifier(struct notifier_block *nb);
#if IS_ENABLED(CONFIG_POWER_SUPPLY)
diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h
index 21ae37e49319..cf9f0c61796e 100644
--- a/include/linux/trace_events.h
+++ b/include/linux/trace_events.h
@@ -492,6 +492,7 @@ enum {
EVENT_FILE_FL_TRIGGER_COND_BIT,
EVENT_FILE_FL_PID_FILTER_BIT,
EVENT_FILE_FL_WAS_ENABLED_BIT,
+ EVENT_FILE_FL_FREED_BIT,
};
extern struct trace_event_file *trace_get_event_file(const char *instance,
@@ -630,6 +631,7 @@ extern int __kprobe_event_add_fields(struct dynevent_cmd *cmd, ...);
* TRIGGER_COND - When set, one or more triggers has an associated filter
* PID_FILTER - When set, the event is filtered based on pid
* WAS_ENABLED - Set when enabled to know to clear trace on module removal
+ * FREED - File descriptor is freed, all fields should be considered invalid
*/
enum {
EVENT_FILE_FL_ENABLED = (1 << EVENT_FILE_FL_ENABLED_BIT),
@@ -643,6 +645,7 @@ enum {
EVENT_FILE_FL_TRIGGER_COND = (1 << EVENT_FILE_FL_TRIGGER_COND_BIT),
EVENT_FILE_FL_PID_FILTER = (1 << EVENT_FILE_FL_PID_FILTER_BIT),
EVENT_FILE_FL_WAS_ENABLED = (1 << EVENT_FILE_FL_WAS_ENABLED_BIT),
+ EVENT_FILE_FL_FREED = (1 << EVENT_FILE_FL_FREED_BIT),
};
struct trace_event_file {
@@ -671,6 +674,7 @@ struct trace_event_file {
* caching and such. Which is mostly OK ;-)
*/
unsigned long flags;
+ atomic_t ref; /* ref count for opened files */
atomic_t sm_ref; /* soft-mode reference counter */
atomic_t tm_ref; /* trigger-mode reference counter */
};
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index abaaf516fcae..a40d6baf101f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4986,6 +4986,20 @@ int tracing_open_file_tr(struct inode *inode, struct file *filp)
if (ret)
return ret;
+ mutex_lock(&event_mutex);
+
+ /* Fail if the file is marked for removal */
+ if (file->flags & EVENT_FILE_FL_FREED) {
+ trace_array_put(file->tr);
+ ret = -ENODEV;
+ } else {
+ event_file_get(file);
+ }
+
+ mutex_unlock(&event_mutex);
+ if (ret)
+ return ret;
+
filp->private_data = inode->i_private;
return 0;
@@ -4996,6 +5010,7 @@ int tracing_release_file_tr(struct inode *inode, struct file *filp)
struct trace_event_file *file = inode->i_private;
trace_array_put(file->tr);
+ event_file_put(file);
return 0;
}
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 77debe53f07c..d608f6128704 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1664,6 +1664,9 @@ extern void event_trigger_unregister(struct event_command *cmd_ops,
char *glob,
struct event_trigger_data *trigger_data);
+extern void event_file_get(struct trace_event_file *file);
+extern void event_file_put(struct trace_event_file *file);
+
/**
* struct event_trigger_ops - callbacks for trace event triggers
*
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index f49d6ddb6342..82cb22ad6d61 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -990,13 +990,35 @@ static void remove_subsystem(struct trace_subsystem_dir *dir)
}
}
+void event_file_get(struct trace_event_file *file)
+{
+ atomic_inc(&file->ref);
+}
+
+void event_file_put(struct trace_event_file *file)
+{
+ if (WARN_ON_ONCE(!atomic_read(&file->ref))) {
+ if (file->flags & EVENT_FILE_FL_FREED)
+ kmem_cache_free(file_cachep, file);
+ return;
+ }
+
+ if (atomic_dec_and_test(&file->ref)) {
+ /* Count should only go to zero when it is freed */
+ if (WARN_ON_ONCE(!(file->flags & EVENT_FILE_FL_FREED)))
+ return;
+ kmem_cache_free(file_cachep, file);
+ }
+}
+
static void remove_event_file_dir(struct trace_event_file *file)
{
eventfs_remove(file->ef);
list_del(&file->list);
remove_subsystem(file->system);
free_event_filter(file->filter);
- kmem_cache_free(file_cachep, file);
+ file->flags |= EVENT_FILE_FL_FREED;
+ event_file_put(file);
}
/*
@@ -1369,7 +1391,7 @@ event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
flags = file->flags;
mutex_unlock(&event_mutex);
- if (!file)
+ if (!file || flags & EVENT_FILE_FL_FREED)
return -ENODEV;
if (flags & EVENT_FILE_FL_ENABLED &&
@@ -1407,7 +1429,7 @@ event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
ret = -ENODEV;
mutex_lock(&event_mutex);
file = event_file_data(filp);
- if (likely(file))
+ if (likely(file && !(file->flags & EVENT_FILE_FL_FREED)))
ret = ftrace_event_enable_disable(file, val);
mutex_unlock(&event_mutex);
break;
@@ -1681,7 +1703,7 @@ event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,
mutex_lock(&event_mutex);
file = event_file_data(filp);
- if (file)
+ if (file && !(file->flags & EVENT_FILE_FL_FREED))
print_event_filter(file, s);
mutex_unlock(&event_mutex);
@@ -2803,6 +2825,7 @@ trace_create_new_event(struct trace_event_call *call,
atomic_set(&file->tm_ref, 0);
INIT_LIST_HEAD(&file->triggers);
list_add(&file->list, &tr->events);
+ event_file_get(file);
return file;
}
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 33264e510d16..0c611b281a5b 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -2349,6 +2349,9 @@ int apply_event_filter(struct trace_event_file *file, char *filter_string)
struct event_filter *filter = NULL;
int err;
+ if (file->flags & EVENT_FILE_FL_FREED)
+ return -ENODEV;
+
if (!strcmp(strstrip(filter_string), "0")) {
filter_disable(file);
filter = event_filter(file);
diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c
index 24a948baf1bc..756fa0aa69bb 100644
--- a/sound/hda/intel-dsp-config.c
+++ b/sound/hda/intel-dsp-config.c
@@ -336,6 +336,12 @@ static const struct config_entry config_table[] = {
DMI_MATCH(DMI_SYS_VENDOR, "Google"),
}
},
+ {
+ .ident = "Google firmware",
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VERSION, "Google"),
+ }
+ },
{}
}
},
diff --git a/sound/soc/sof/sof-pci-dev.c b/sound/soc/sof/sof-pci-dev.c
index f5ece43d0ec2..f42c85df88a8 100644
--- a/sound/soc/sof/sof-pci-dev.c
+++ b/sound/soc/sof/sof-pci-dev.c
@@ -145,6 +145,13 @@ static const struct dmi_system_id community_key_platforms[] = {
DMI_MATCH(DMI_PRODUCT_FAMILY, "Google"),
}
},
+ {
+ .ident = "Google firmware",
+ .callback = chromebook_use_community_key,
+ .matches = {
+ DMI_MATCH(DMI_BIOS_VERSION, "Google"),
+ }
+ },
{},
};
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 4e64842245e1..ab2b938502eb 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2220,6 +2220,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_DSD_RAW),
VENDOR_FLG(0x2ab6, /* T+A devices */
QUIRK_FLAG_DSD_RAW),
+ VENDOR_FLG(0x2afd, /* McIntosh Laboratory, Inc. */
+ QUIRK_FLAG_DSD_RAW),
VENDOR_FLG(0x2d87, /* Cayin device */
QUIRK_FLAG_DSD_RAW),
VENDOR_FLG(0x3336, /* HEM devices */
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 7ef43f72098e..c779b9f2e622 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -251,6 +251,9 @@ static struct evsel *evlist__dummy_event(struct evlist *evlist)
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_DUMMY,
.size = sizeof(attr), /* to capture ABI version */
+ /* Avoid frequency mode for dummy events to avoid associated timers. */
+ .freq = 0,
+ .sample_period = 1,
};
return evsel__new_idx(&attr, evlist->core.nr_entries);
@@ -277,8 +280,6 @@ struct evsel *evlist__add_aux_dummy(struct evlist *evlist, bool system_wide)
evsel->core.attr.exclude_kernel = 1;
evsel->core.attr.exclude_guest = 1;
evsel->core.attr.exclude_hv = 1;
- evsel->core.attr.freq = 0;
- evsel->core.attr.sample_period = 1;
evsel->core.system_wide = system_wide;
evsel->no_aux_samples = true;
evsel->name = strdup("dummy:u");
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