diff options
Diffstat (limited to 'drivers/ata/sata_sil.c')
| -rw-r--r-- | drivers/ata/sata_sil.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 564c142b03b0..9f029595f454 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -44,6 +44,7 @@ #include <linux/device.h> #include <scsi/scsi_host.h> #include <linux/libata.h> +#include <linux/dmi.h> #define DRV_NAME "sata_sil" #define DRV_VERSION "2.4" @@ -695,11 +696,38 @@ static void sil_init_controller(struct ata_host *host) } } +static bool sil_broken_system_poweroff(struct pci_dev *pdev) +{ + static const struct dmi_system_id broken_systems[] = { + { + .ident = "HP Compaq nx6325", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x12UL, + }, + + { } /* terminate list */ + }; + const struct dmi_system_id *dmi = dmi_first_match(broken_systems); + + if (dmi) { + unsigned long slot = (unsigned long)dmi->driver_data; + /* apply the quirk only to on-board controllers */ + return slot == PCI_SLOT(pdev->devfn); + } + + return false; +} + static int sil_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; int board_id = ent->driver_data; - const struct ata_port_info *ppi[] = { &sil_port_info[board_id], NULL }; + struct ata_port_info pi = sil_port_info[board_id]; + const struct ata_port_info *ppi[] = { &pi, NULL }; struct ata_host *host; void __iomem *mmio_base; int n_ports, rc; @@ -713,6 +741,13 @@ static int sil_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (board_id == sil_3114) n_ports = 4; + if (sil_broken_system_poweroff(pdev)) { + pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN | + ATA_FLAG_NO_HIBERNATE_SPINDOWN; + dev_info(&pdev->dev, "quirky BIOS, skipping spindown " + "on poweroff and hibernation\n"); + } + host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); if (!host) return -ENOMEM; |