From b4d1c73dcd2b3575921df06f42217bc281b83a9b Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 2 Feb 2008 19:56:29 +0100 Subject: [PATCH] atiixp/cs5535/scc_pata: fix "idex=ata66" parameter handling Don't override the cable type if the "idex=ata66" parameter was used. While at it: * atiixp.c: factor out cable detection to atiixp_cable_detect() from init_hwif_atiixp(). * cs5535.c: pass 'ide_hwif_t *hwif' instead of 'struct pci_dev *dev' to cs5535_cable_detect(). * scc_pata.c: factor out cable detection to scc_cable_detect() from init_hwif_scc() and remove incorrect comment. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/atiixp.c | 24 +++++++++++++++--------- drivers/ide/pci/cs5535.c | 8 ++++---- drivers/ide/pci/scc_pata.c | 9 +++++++-- 3 files changed, 26 insertions(+), 15 deletions(-) diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index b56274af178..648fdf30cdf 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -121,6 +121,19 @@ static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed) spin_unlock_irqrestore(&atiixp_lock, flags); } +static u8 __devinit atiixp_cable_detect(ide_hwif_t *hwif) +{ + struct pci_dev *pdev = to_pci_dev(hwif->dev); + u8 udma_mode = 0, ch = hwif->channel; + + pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode); + + if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40) + return ATA_CBL_PATA80; + else + return ATA_CBL_PATA40; +} + /** * init_hwif_atiixp - fill in the hwif for the ATIIXP * @hwif: IDE interface @@ -131,21 +144,14 @@ static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed) static void __devinit init_hwif_atiixp(ide_hwif_t *hwif) { - struct pci_dev *pdev = to_pci_dev(hwif->dev); - u8 udma_mode = 0, ch = hwif->channel; - hwif->set_pio_mode = &atiixp_set_pio_mode; hwif->set_dma_mode = &atiixp_set_dma_mode; if (!hwif->dma_base) return; - pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode); - - if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40) - hwif->cbl = ATA_CBL_PATA80; - else - hwif->cbl = ATA_CBL_PATA40; + if (hwif->cbl != ATA_CBL_PATA40_SHORT) + hwif->cbl = atiixp_cable_detect(hwif); } static const struct ide_port_info atiixp_pci_info[] __devinitdata = { diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c index 66433aa53f5..50046436a56 100644 --- a/drivers/ide/pci/cs5535.c +++ b/drivers/ide/pci/cs5535.c @@ -155,8 +155,9 @@ static void cs5535_set_pio_mode(ide_drive_t *drive, const u8 pio) cs5535_set_speed(drive, XFER_PIO_0 + pio); } -static u8 __devinit cs5535_cable_detect(struct pci_dev *dev) +static u8 __devinit cs5535_cable_detect(ide_hwif_t *hwif) { + struct pci_dev *dev = to_pci_dev(hwif->dev); u8 bit; /* if a 80 wire cable was detected */ @@ -175,15 +176,14 @@ static u8 __devinit cs5535_cable_detect(struct pci_dev *dev) */ static void __devinit init_hwif_cs5535(ide_hwif_t *hwif) { - struct pci_dev *dev = to_pci_dev(hwif->dev); - hwif->set_pio_mode = &cs5535_set_pio_mode; hwif->set_dma_mode = &cs5535_set_dma_mode; if (hwif->dma_base == 0) return; - hwif->cbl = cs5535_cable_detect(dev); + if (hwif->cbl != ATA_CBL_PATA40_SHORT) + hwif->cbl = cs5535_cable_detect(hwif); } static const struct ide_port_info cs5535_chipset __devinitdata = { diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 7694969b02c..dcd44d7c084 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -644,6 +644,11 @@ static void __devinit init_iops_scc(ide_hwif_t *hwif) init_mmio_iops_scc(hwif); } +static u8 __devinit scc_cable_detect(ide_hwif_t *hwif) +{ + return ATA_CBL_PATA80; +} + /** * init_hwif_scc - set up hwif * @hwif: interface to set up @@ -678,8 +683,8 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif) else hwif->ultra_mask = ATA_UDMA5; /* 100MHz */ - /* we support 80c cable only. */ - hwif->cbl = ATA_CBL_PATA80; + if (hwif->cbl != ATA_CBL_PATA40_SHORT) + hwif->cbl = scc_cable_detect(hwif); } #define DECLARE_SCC_DEV(name_str) \ -- 2.41.1