From e69a70d951787013e5fe65e843edd5711571546c Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 13 Oct 2011 12:32:18 +0200 Subject: [PATCH] pata_serverworks: cleanup cable detection Merge identical cable routines for Dell and Sun systems into common oem_cable() one. Acked-by: Alan Cox Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Jeff Garzik --- drivers/ata/pata_serverworks.c | 37 +++++++------------------------------ 1 file changed, 7 insertions(+), 30 deletions(-) diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index e49365f..27d9802 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 }, -- 2.7.4