diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 23:21:04 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 23:21:04 +0300 |
| commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
| tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /drivers/ata/pata_atiixp.c | |
| parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
| parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) | |
| download | linux-988addf82e4c03739375279de73929580a2d4a6a.tar.xz | |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'drivers/ata/pata_atiixp.c')
| -rw-r--r-- | drivers/ata/pata_atiixp.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index ae4454d4e955..cbaf2eddac6b 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -1,7 +1,7 @@ /* * pata_atiixp.c - ATI PATA for new ATA layer * (C) 2005 Red Hat Inc - * (C) 2009 Bartlomiej Zolnierkiewicz + * (C) 2009-2010 Bartlomiej Zolnierkiewicz * * Based on * @@ -46,6 +46,8 @@ static int atiixp_cable_detect(struct ata_port *ap) return ATA_CBL_PATA40; } +static DEFINE_SPINLOCK(atiixp_lock); + /** * atiixp_set_pio_timing - set initial PIO mode data * @ap: ATA interface @@ -88,7 +90,10 @@ static void atiixp_set_pio_timing(struct ata_port *ap, struct ata_device *adev, static void atiixp_set_piomode(struct ata_port *ap, struct ata_device *adev) { + unsigned long flags; + spin_lock_irqsave(&atiixp_lock, flags); atiixp_set_pio_timing(ap, adev, adev->pio_mode - XFER_PIO_0); + spin_unlock_irqrestore(&atiixp_lock, flags); } /** @@ -108,6 +113,9 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev) int dma = adev->dma_mode; int dn = 2 * ap->port_no + adev->devno; int wanted_pio; + unsigned long flags; + + spin_lock_irqsave(&atiixp_lock, flags); if (adev->dma_mode >= XFER_UDMA_0) { u16 udma_mode_data; @@ -145,6 +153,7 @@ static void atiixp_set_dmamode(struct ata_port *ap, struct ata_device *adev) if (adev->pio_mode != wanted_pio) atiixp_set_pio_timing(ap, adev, wanted_pio); + spin_unlock_irqrestore(&atiixp_lock, flags); } /** @@ -237,7 +246,8 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (!pci_test_config_bits(pdev, &atiixp_enable_bits[i])) ppi[i] = &ata_dummy_port_info; - return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL); + return ata_pci_sff_init_one(pdev, ppi, &atiixp_sht, NULL, + ATA_HOST_PARALLEL_SCAN); } static const struct pci_device_id atiixp[] = { |