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Message-ID: <20120418184624.GA16313@havoc.gtf.org>
Date: Wed, 18 Apr 2012 14:46:24 -0400
From: Jeff Garzik <jeff@...zik.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [git patches] libata fixes
NOTE: Includes important regression fix. See signed tag message for more.
Please pull 0c8d32c27f5cf6e14ca14b4758d1e994eebd50fd from
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git tag/upstream-linus
to receive the following updates:
drivers/ata/ata_piix.c | 2 ++
drivers/ata/libata-core.c | 4 ++--
drivers/ata/libata-scsi.c | 4 ++--
drivers/ata/libata-transport.c | 1 +
drivers/ata/libata.h | 2 +-
drivers/ata/sata_mv.c | 3 ++-
6 files changed, 10 insertions(+), 6 deletions(-)
Dan Carpenter (1):
sata_mv: silence an uninitialized variable warning
Dan Williams (1):
libata: make ata_print_id atomic
Lin Ming (1):
libata: forbid port runtime pm by default, fixing regression
Seth Heasley (1):
ata_piix: IDE-mode SATA patch for Intel DH89xxCC DeviceIDs
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 68013f9..7857e8f 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -329,6 +329,8 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (Lynx Point) */
{ 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (DH89xxCC) */
+ { 0x8086, 0x2326, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
};
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index e0bda9f..28db50b 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -95,7 +95,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
static void ata_dev_xfermask(struct ata_device *dev);
static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
-unsigned int ata_print_id = 1;
+atomic_t ata_print_id = ATOMIC_INIT(1);
struct ata_force_param {
const char *name;
@@ -6029,7 +6029,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
/* give ports names and add SCSI hosts */
for (i = 0; i < host->n_ports; i++)
- host->ports[i]->print_id = ata_print_id++;
+ host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
/* Create associated sysfs transport objects */
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 1ee00c8..93dabdc 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3843,7 +3843,7 @@ int ata_sas_async_port_init(struct ata_port *ap)
int rc = ap->ops->port_start(ap);
if (!rc) {
- ap->print_id = ata_print_id++;
+ ap->print_id = atomic_inc_return(&ata_print_id);
__ata_port_probe(ap);
}
@@ -3867,7 +3867,7 @@ int ata_sas_port_init(struct ata_port *ap)
int rc = ap->ops->port_start(ap);
if (!rc) {
- ap->print_id = ata_print_id++;
+ ap->print_id = atomic_inc_return(&ata_print_id);
rc = ata_port_probe(ap);
}
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 74aaee3..c341904 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent,
device_enable_async_suspend(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
+ pm_runtime_forbid(dev);
transport_add_device(dev);
transport_configure_device(dev);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 2e26fca..9d0fd0b 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -53,7 +53,7 @@ enum {
ATA_DNXFER_QUIET = (1 << 31),
};
-extern unsigned int ata_print_id;
+extern atomic_t ata_print_id;
extern int atapi_passthru16;
extern int libata_fua;
extern int libata_noacpi;
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 38950ea..7336d4a 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4025,7 +4025,8 @@ static int mv_platform_probe(struct platform_device *pdev)
struct ata_host *host;
struct mv_host_priv *hpriv;
struct resource *res;
- int n_ports, rc;
+ int n_ports = 0;
+ int rc;
ata_print_version_once(&pdev->dev, DRV_VERSION);
--
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