提交 be94a4ba 编写于 作者: L Linus Torvalds

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

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  ata_piix: Add HP Compaq nc6000 to the broken poweroff list
  ahci: add warning messages for hp laptops with broken suspend
  pata_efar: fix PIO2 underclocking
  pata_legacy: wait for async probing
......@@ -220,6 +220,7 @@ enum {
AHCI_HFLAG_NO_HOTPLUG = (1 << 7), /* ignore PxSERR.DIAG.N */
AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */
AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */
AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */
/* ap->flags bits */
......@@ -2316,9 +2317,17 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
struct ahci_host_priv *hpriv = host->private_data;
void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
u32 ctl;
if (mesg.event & PM_EVENT_SUSPEND &&
hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
dev_printk(KERN_ERR, &pdev->dev,
"BIOS update required for suspend/resume\n");
return -EIO;
}
if (mesg.event & PM_EVENT_SLEEP) {
/* AHCI spec rev1.1 section 8.3.3:
* Software must disable interrupts prior to requesting a
......@@ -2610,6 +2619,63 @@ static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
return false;
}
static bool ahci_broken_suspend(struct pci_dev *pdev)
{
static const struct dmi_system_id sysids[] = {
/*
* On HP dv[4-6] and HDX18 with earlier BIOSen, link
* to the harddisk doesn't become online after
* resuming from STR. Warn and fail suspend.
*/
{
.ident = "dv4",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME,
"HP Pavilion dv4 Notebook PC"),
},
.driver_data = "F.30", /* cutoff BIOS version */
},
{
.ident = "dv5",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME,
"HP Pavilion dv5 Notebook PC"),
},
.driver_data = "F.16", /* cutoff BIOS version */
},
{
.ident = "dv6",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME,
"HP Pavilion dv6 Notebook PC"),
},
.driver_data = "F.21", /* cutoff BIOS version */
},
{
.ident = "HDX18",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME,
"HP HDX18 Notebook PC"),
},
.driver_data = "F.23", /* cutoff BIOS version */
},
{ } /* terminate list */
};
const struct dmi_system_id *dmi = dmi_first_match(sysids);
const char *ver;
if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
return false;
ver = dmi_get_system_info(DMI_BIOS_VERSION);
return !ver || strcmp(ver, dmi->driver_data) < 0;
}
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
......@@ -2715,6 +2781,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
"quirky BIOS, skipping spindown on poweroff\n");
}
if (ahci_broken_suspend(pdev)) {
hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
dev_printk(KERN_WARNING, &pdev->dev,
"BIOS update required for suspend/resume\n");
}
/* CAP.NP sometimes indicate the index of the last enabled
* port, at other times, that of the last possible port, so
* determining the maximum port number requires looking at
......
......@@ -1455,6 +1455,15 @@ static bool piix_broken_system_poweroff(struct pci_dev *pdev)
/* PCI slot number of the controller */
.driver_data = (void *)0x1FUL,
},
{
.ident = "HP Compaq nc6000",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6000"),
},
/* PCI slot number of the controller */
.driver_data = (void *)0x1FUL,
},
{ } /* terminate list */
};
......
......@@ -22,7 +22,7 @@
#include <linux/ata.h>
#define DRV_NAME "pata_efar"
#define DRV_VERSION "0.4.4"
#define DRV_VERSION "0.4.5"
/**
* efar_pre_reset - Enable bits
......@@ -98,18 +98,17 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
{ 2, 1 },
{ 2, 3 }, };
if (pio > 2)
control |= 1; /* TIME1 enable */
if (pio > 1)
control |= 1; /* TIME */
if (ata_pio_need_iordy(adev)) /* PIO 3/4 require IORDY */
control |= 2; /* IE enable */
/* Intel specifies that the PPE functionality is for disk only */
control |= 2; /* IE */
/* Intel specifies that the prefetch/posting is for disk only */
if (adev->class == ATA_DEV_ATA)
control |= 4; /* PPE enable */
control |= 4; /* PPE */
pci_read_config_word(dev, idetm_port, &idetm_data);
/* Enable PPE, IE and TIME as appropriate */
/* Set PPE, IE, and TIME as appropriate */
if (adev->devno == 0) {
idetm_data &= 0xCCF0;
idetm_data |= control;
......@@ -129,7 +128,7 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev)
pci_write_config_byte(dev, 0x44, slave_data);
}
idetm_data |= 0x4000; /* Ensure SITRE is enabled */
idetm_data |= 0x4000; /* Ensure SITRE is set */
pci_write_config_word(dev, idetm_port, idetm_data);
}
......
......@@ -48,6 +48,7 @@
*
*/
#include <linux/async.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
......@@ -1028,6 +1029,7 @@ static __init int legacy_init_one(struct legacy_probe *probe)
&legacy_sht);
if (ret)
goto fail;
async_synchronize_full();
ld->platform_dev = pdev;
/* Nothing found means we drop the port as its probably not there */
......
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