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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2011-10-13 12:32:18 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2011-10-14 13:16:29 -0400 |
| commit | e69a70d951787013e5fe65e843edd5711571546c (patch) | |
| tree | 3f6b0afda1318022c22baf64fb4aaa75a4e87186 /drivers/ata | |
| parent | 5860a5545a308850fab11bd8dadd217973d3cc97 (diff) | |
| download | linux-stable-e69a70d951787013e5fe65e843edd5711571546c.tar.gz linux-stable-e69a70d951787013e5fe65e843edd5711571546c.tar.bz2 linux-stable-e69a70d951787013e5fe65e843edd5711571546c.zip | |
pata_serverworks: cleanup cable detection
Merge identical cable routines for Dell and Sun systems into
common oem_cable() one.
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_serverworks.c | 37 |
1 files changed, 7 insertions, 30 deletions
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index e49365f36dab..27d9802fb974 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -58,32 +58,14 @@ static const char *csb_bad_ata100[] = { }; /** - * dell_cable - Dell serverworks cable detection + * oem_cable - Dell/Sun serverworks cable detection * @ap: ATA port to do cable detect * - * Dell hide the 40/80 pin select for their interfaces in the top two - * bits of the subsystem ID. + * Dell PowerEdge and Sun Cobalt 'Alpine' hide the 40/80 pin select + * for their interfaces in the top two bits of the subsystem ID. */ -static int dell_cable(struct ata_port *ap) -{ - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - - if (pdev->subsystem_device & (1 << (ap->port_no + 14))) - return ATA_CBL_PATA80; - return ATA_CBL_PATA40; -} - -/** - * sun_cable - Sun Cobalt 'Alpine' cable detection - * @ap: ATA port to do cable select - * - * Cobalt CSB5 IDE hides the 40/80pin in the top two bits of the - * subsystem ID the same as dell. We could use one function but we may - * need to extend the Dell one in future - */ - -static int sun_cable(struct ata_port *ap) +static int oem_cable(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -98,15 +80,10 @@ struct sv_cable_table { int (*cable_detect)(struct ata_port *ap); }; -/* - * Note that we don't copy the old serverworks code because the old - * code contains obvious mistakes - */ - static struct sv_cable_table cable_detect[] = { - { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, dell_cable }, - { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, dell_cable }, - { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_SUN, sun_cable }, + { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, oem_cable }, + { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, oem_cable }, + { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_SUN, oem_cable }, { PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, ata_cable_40wire }, { PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, ata_cable_unknown }, { PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, ata_cable_unknown }, |