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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 13:04:58 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 13:04:58 -0800 |
commit | 379e3a820da171cb1d97e8dccd736a69cebfb7c0 (patch) | |
tree | aef459cf9b4de9b85d357f487bb3e1170c9eea98 /drivers/ata/pata_atiixp.c | |
parent | 8724fdb53d27d7b59b60c8a399cc67f9abfabb33 (diff) | |
parent | a55ab496ea9c820b7192c15ef1fbf3291edfe638 (diff) | |
download | linux-379e3a820da171cb1d97e8dccd736a69cebfb7c0.tar.bz2 |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (38 commits)
sata_via: Delay on vt6420 when starting ATAPI DMA write
ata: Detect Delkin Devices compact flash
pata_efar: Enable parallel scanning
pata_atiixp: enable parallel scan
[libata] pata_atiixp: add locking for parallel scanning
[libata] pata_efar: add locking for parallel scanning
libata: Pass host flags into the pci helper
[libata] pata_marvell: CONFIG_AHCI is really CONFIG_SATA_AHCI
libata: Allow pata_legacy to be built on non-ISA but PCI systems
pata_pdc202xx_old: fix UDMA mode for PDC2026x chipsets
pata_pdc202xx_old: fix UDMA mode for Promise UDMA33 cards
[libata] pata_at91: fix backslash-continued string
pata_via: store UDMA masks in via_isa_bridges table
pata_via: fix address setup timings underlocking
pata_serverworks: fix error message
pata_serverworks: fix PIO setup for the second channel
pata_efar: fix secondary port support
pata_cypress: fix PIO timings underclocking
pata_cs5535: use correct values for PIO1 and PIO2 data timings
pata_cmd64x: remove unused definitions
...
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[] = { |