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1) Notable regression fix. Forbid dynamic runtime power management by

Browse source 
default, due to issues with suspend/resume and hotplug.
 
    To re-enable, use sysfs.
 
 2) make ata_print_id atomic, due to ref from multiple contexts
 
 3) sata_mv warning fix
 
 4) ata_piix new PCI ID
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Merge tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

Pull libara fixes from Jeff Garzik:

 - Notable regression fix.  Forbid dynamic runtime power management by
   default, due to issues with suspend/resume and hotplug.

   To re-enable, use sysfs.

 - make ata_print_id atomic, due to ref from multiple contexts

 - sata_mv warning fix

 - ata_piix new PCI ID

* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  libata: forbid port runtime pm by default, fixing regression
  libata: make ata_print_id atomic
  sata_mv: silence an uninitialized variable warning
  ata_piix: IDE-mode SATA patch for Intel DH89xxCC DeviceIDs
This commit is contained in:
Linus Torvalds 2012-04-18 12:58:29 -07:00
commit 40df43a17f
6 changed files with 10 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/ata/ata_piix.c
View file

@ -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 */
};

4
drivers/ata/libata-core.c
View file

@ -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 */

4
drivers/ata/libata-scsi.c
View file

@ -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);
}

1
drivers/ata/libata-transport.c
View file

@ -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);

2
drivers/ata/libata.h
View file

@ -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;

3
drivers/ata/sata_mv.c
View file

@ -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);