diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-06-12 00:27:11 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-06-12 00:28:09 -0400 |
| commit | 9c1d5284c79fea050f115eadeec1dd1758e5c630 (patch) | |
| tree | 4d16fd5aad7ff4931e985c0128c5747f23561f8a /drivers/ata/ahci.c | |
| parent | 5f073850602084fbcbb987948ff3e70ae273f7d2 (diff) | |
| parent | 9f12600fe425bc28f0ccba034a77783c09c15af4 (diff) | |
Merge commit '9f12600fe425bc28f0ccba034a77783c09c15af4' into for-linus
Backmerge of dcache.c changes from mainline. It's that, or complete
rebase...
Conflicts:
fs/splice.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 71e15b73513d..60707814a84b 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1115,6 +1115,17 @@ static bool ahci_broken_online(struct pci_dev *pdev) return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff); } +static bool ahci_broken_devslp(struct pci_dev *pdev) +{ + /* device with broken DEVSLP but still showing SDS capability */ + static const struct pci_device_id ids[] = { + { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */ + {} + }; + + return pci_match_id(ids, pdev); +} + #ifdef CONFIG_ATA_ACPI static void ahci_gtf_filter_workaround(struct ata_host *host) { @@ -1364,6 +1375,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar]; + /* must set flag prior to save config in order to take effect */ + if (ahci_broken_devslp(pdev)) + hpriv->flags |= AHCI_HFLAG_NO_DEVSLP; + /* save initial config */ ahci_pci_save_initial_config(pdev, hpriv); |