提交 1e66239e 编写于 作者: L Linus Torvalds

Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_hpt37x: Fix 2.6.22 clock PLL regression
  pata_ali: Correct HP detect
  ata_piix: fix suspend/resume for some TOSHIBA laptops
  PCI: export __pci_reenable_device()
......@@ -91,6 +91,7 @@
#include <linux/device.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <linux/dmi.h>
#define DRV_NAME "ata_piix"
#define DRV_VERSION "2.11"
......@@ -140,6 +141,9 @@ enum {
RV = -3, /* reserved */
PIIX_AHCI_DEVICE = 6,
/* host->flags bits */
PIIX_HOST_BROKEN_SUSPEND = (1 << 24),
};
struct piix_map_db {
......@@ -159,6 +163,10 @@ static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev);
static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev);
static int ich_pata_cable_detect(struct ata_port *ap);
#ifdef CONFIG_PM
static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int piix_pci_device_resume(struct pci_dev *pdev);
#endif
static unsigned int in_module_init = 1;
......@@ -255,8 +263,8 @@ static struct pci_driver piix_pci_driver = {
.probe = piix_init_one,
.remove = ata_pci_remove_one,
#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
.resume = ata_pci_device_resume,
.suspend = piix_pci_device_suspend,
.resume = piix_pci_device_resume,
#endif
};
......@@ -881,6 +889,107 @@ static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev)
do_pata_set_dmamode(ap, adev, 1);
}
#ifdef CONFIG_PM
static struct dmi_system_id piix_broken_suspend_dmi_table[] = {
{
.ident = "TECRA M5",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M5"),
},
},
{
.ident = "Satellite U200",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U200"),
},
},
{
.ident = "Satellite U205",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U205"),
},
},
{
.ident = "Portege M500",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M500"),
},
},
{ }
};
static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
unsigned long flags;
int rc = 0;
rc = ata_host_suspend(host, mesg);
if (rc)
return rc;
/* Some braindamaged ACPI suspend implementations expect the
* controller to be awake on entry; otherwise, it burns cpu
* cycles and power trying to do something to the sleeping
* beauty.
*/
if (dmi_check_system(piix_broken_suspend_dmi_table) &&
mesg.event == PM_EVENT_SUSPEND) {
pci_save_state(pdev);
/* mark its power state as "unknown", since we don't
* know if e.g. the BIOS will change its device state
* when we suspend.
*/
if (pdev->current_state == PCI_D0)
pdev->current_state = PCI_UNKNOWN;
/* tell resume that it's waking up from broken suspend */
spin_lock_irqsave(&host->lock, flags);
host->flags |= PIIX_HOST_BROKEN_SUSPEND;
spin_unlock_irqrestore(&host->lock, flags);
} else
ata_pci_device_do_suspend(pdev, mesg);
return 0;
}
static int piix_pci_device_resume(struct pci_dev *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
unsigned long flags;
int rc;
if (host->flags & PIIX_HOST_BROKEN_SUSPEND) {
spin_lock_irqsave(&host->lock, flags);
host->flags &= ~PIIX_HOST_BROKEN_SUSPEND;
spin_unlock_irqrestore(&host->lock, flags);
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
/* PCI device wasn't disabled during suspend. Use
* __pci_reenable_device() to avoid affecting the
* enable count.
*/
rc = __pci_reenable_device(pdev);
if (rc)
dev_printk(KERN_ERR, &pdev->dev, "failed to enable "
"device after resume (%d)\n", rc);
} else
rc = ata_pci_device_do_resume(pdev);
if (rc == 0)
ata_host_resume(host);
return rc;
}
#endif
#define AHCI_PCI_BAR 5
#define AHCI_GLOBAL_CTL 0x04
#define AHCI_ENABLE (1 << 31)
......
......@@ -45,7 +45,7 @@ static struct dmi_system_id cable_dmi_table[] = {
.ident = "HP Pavilion N5430",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_BOARD_NAME, "OmniBook N32N-736"),
DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
},
},
{ }
......
......@@ -26,7 +26,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_hpt37x"
#define DRV_VERSION "0.6.6"
#define DRV_VERSION "0.6.7"
struct hpt_clock {
u8 xfer_speed;
......@@ -1103,17 +1103,17 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
/* Select the DPLL clock. */
pci_write_config_byte(dev, 0x5b, 0x21);
pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low);
pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low | 0x100);
for(adjust = 0; adjust < 8; adjust++) {
if (hpt37x_calibrate_dpll(dev))
break;
/* See if it'll settle at a fractionally different clock */
if ((adjust & 3) == 3) {
f_low --;
f_high ++;
}
pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low);
if (adjust & 1)
f_low -= adjust >> 1;
else
f_high += adjust >> 1;
pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low | 0x100);
}
if (adjust == 8) {
printk(KERN_WARNING "hpt37x: DPLL did not stabilize.\n");
......
......@@ -1604,6 +1604,7 @@ early_param("pci", pci_setup);
device_initcall(pci_init);
EXPORT_SYMBOL_GPL(pci_restore_bars);
EXPORT_SYMBOL(__pci_reenable_device);
EXPORT_SYMBOL(pci_enable_device_bars);
EXPORT_SYMBOL(pci_enable_device);
EXPORT_SYMBOL(pcim_enable_device);
......
/* Functions internal to the PCI core code */
extern int __must_check __pci_reenable_device(struct pci_dev *);
extern int pci_uevent(struct device *dev, char **envp, int num_envp,
char *buffer, int buffer_size);
extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
......
......@@ -216,6 +216,8 @@ enum {
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host only */
ATA_HOST_STARTED = (1 << 1), /* Host started */
/* bits 24:31 of host->flags are reserved for LLD specific flags */
/* various lengths of time */
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */
......
......@@ -534,6 +534,7 @@ static inline int pci_write_config_dword(struct pci_dev *dev, int where, u32 val
int __must_check pci_enable_device(struct pci_dev *dev);
int __must_check pci_enable_device_bars(struct pci_dev *dev, int mask);
int __must_check __pci_reenable_device(struct pci_dev *);
int __must_check pcim_enable_device(struct pci_dev *pdev);
void pcim_pin_device(struct pci_dev *pdev);
......
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