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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 15:41:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 15:41:31 -0700 |
| commit | 3cb7396b7b26585b1ab7c1a8ca554ec103da5d37 (patch) | |
| tree | 94720199f016045fe2a204ac8fd26c0029f4544c /drivers/ide/pci/atiixp.c | |
| parent | d0b6e0e380d6a32d479120a8b5d98cdff936ec8c (diff) | |
| parent | 317a46a200e6514a1acf50ed30291160185a5c73 (diff) | |
| download | linux-3cb7396b7b26585b1ab7c1a8ca554ec103da5d37.tar.gz linux-3cb7396b7b26585b1ab7c1a8ca554ec103da5d37.tar.bz2 linux-3cb7396b7b26585b1ab7c1a8ca554ec103da5d37.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
ide: fix PIO setup on resume for ATAPI devices
ide: legacy PCI bus order probing fixes
ide: add ide_proc_register_port()
ide: add "initializing" argument to ide_register_hw()
ide: cable detection fixes (take 2)
ide: move IDE settings handling to ide-proc.c
ide: split off ioctl handling from IDE settings (v2)
ide: make /proc/ide/ optional
ide: add ide_tune_dma() helper
ide: rework the code for selecting the best DMA transfer mode (v3)
ide: fix UDMA/MWDMA/SWDMA masks (v3)
Diffstat (limited to 'drivers/ide/pci/atiixp.c')
| -rw-r--r-- | drivers/ide/pci/atiixp.c | 40 |
1 files changed, 2 insertions, 38 deletions
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 2d48af32e3f4..0e52ad722a72 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -49,22 +49,6 @@ static int save_mdma_mode[4]; static DEFINE_SPINLOCK(atiixp_lock); /** - * atiixp_ratemask - compute rate mask for ATIIXP IDE - * @drive: IDE drive to compute for - * - * Returns the available modes for the ATIIXP IDE controller. - */ - -static u8 atiixp_ratemask(ide_drive_t *drive) -{ - u8 mode = 3; - - if (!eighty_ninty_three(drive)) - mode = min(mode, (u8)1); - return mode; -} - -/** * atiixp_dma_2_pio - return the PIO mode matching DMA * @xfer_rate: transfer speed * @@ -189,7 +173,7 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed) u16 tmp16; u8 speed, pio; - speed = ide_rate_filter(atiixp_ratemask(drive), xferspeed); + speed = ide_rate_filter(drive, xferspeed); spin_lock_irqsave(&atiixp_lock, flags); @@ -223,26 +207,6 @@ static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed) } /** - * atiixp_config_drive_for_dma - configure drive for DMA - * @drive: IDE drive to configure - * - * Set up a ATIIXP interface channel for the best available speed. - * We prefer UDMA if it is available and then MWDMA. If DMA is - * not available we switch to PIO and return 0. - */ - -static int atiixp_config_drive_for_dma(ide_drive_t *drive) -{ - u8 speed = ide_dma_speed(drive, atiixp_ratemask(drive)); - - if (!speed) - return 0; - - (void) atiixp_speedproc(drive, speed); - return ide_dma_enable(drive); -} - -/** * atiixp_dma_check - set up an IDE device * @drive: IDE drive to configure * @@ -256,7 +220,7 @@ static int atiixp_dma_check(ide_drive_t *drive) drive->init_speed = 0; - if (ide_use_dma(drive) && atiixp_config_drive_for_dma(drive)) + if (ide_tune_dma(drive)) return 0; if (ide_use_fast_pio(drive)) { |