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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-01-25 22:17:18 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-01-25 22:17:18 +0100 |
| commit | ad4ba7dcef285c92a6856e0dd9feb780c1a79b87 (patch) | |
| tree | d6bc703634e814c11775f609279420659f7be84a /drivers/ide/pci | |
| parent | 3071a9d00b8684899d93f368e670c4de0293df29 (diff) | |
| download | kernel_samsung_aries-ad4ba7dcef285c92a6856e0dd9feb780c1a79b87.zip kernel_samsung_aries-ad4ba7dcef285c92a6856e0dd9feb780c1a79b87.tar.gz kernel_samsung_aries-ad4ba7dcef285c92a6856e0dd9feb780c1a79b87.tar.bz2 | |
pdc202xx_new: move PIO programming code to pdcnew_set_pio_mode()
* Move PIO programming code from pdcnew_set_mode() to pdcnew_set_pio_mode().
* Rename pdcnew_set_mode() to pdcnew_set_dma_mode().
There should be no functionality changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci')
| -rw-r--r-- | drivers/ide/pci/pdc202xx_new.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c index 2b4f44e..79ba8ef 100644 --- a/drivers/ide/pci/pdc202xx_new.c +++ b/drivers/ide/pci/pdc202xx_new.c @@ -146,7 +146,7 @@ static struct udma_timing { { 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */ }; -static void pdcnew_set_mode(ide_drive_t *drive, const u8 speed) +static void pdcnew_set_dma_mode(ide_drive_t *drive, const u8 speed) { ide_hwif_t *hwif = HWIF(drive); u8 adj = (drive->dn & 1) ? 0x08 : 0x00; @@ -177,7 +177,6 @@ static void pdcnew_set_mode(ide_drive_t *drive, const u8 speed) set_indexed_reg(hwif, 0x12 + adj, udma_timings[mode].reg12); break; - case XFER_MW_DMA_2: case XFER_MW_DMA_1: case XFER_MW_DMA_0: @@ -186,18 +185,6 @@ static void pdcnew_set_mode(ide_drive_t *drive, const u8 speed) set_indexed_reg(hwif, 0x0f + adj, mwdma_timings[mode].reg0f); break; - case XFER_PIO_4: - case XFER_PIO_3: - case XFER_PIO_2: - case XFER_PIO_1: - case XFER_PIO_0: - set_indexed_reg(hwif, 0x0c + adj, - pio_timings[mode].reg0c); - set_indexed_reg(hwif, 0x0d + adj, - pio_timings[mode].reg0d); - set_indexed_reg(hwif, 0x13 + adj, - pio_timings[mode].reg13); - break; default: printk(KERN_ERR "pdc202xx_new: " "Unknown speed %d ignored\n", speed); @@ -212,7 +199,14 @@ static void pdcnew_set_mode(ide_drive_t *drive, const u8 speed) static void pdcnew_set_pio_mode(ide_drive_t *drive, const u8 pio) { - pdcnew_set_mode(drive, XFER_PIO_0 + pio); + ide_hwif_t *hwif = drive->hwif; + u8 adj = (drive->dn & 1) ? 0x08 : 0x00; + + if (max_dma_rate(hwif->pci_dev) == 4) { + set_indexed_reg(hwif, 0x0c + adj, pio_timings[pio].reg0c); + set_indexed_reg(hwif, 0x0d + adj, pio_timings[pio].reg0d); + set_indexed_reg(hwif, 0x13 + adj, pio_timings[pio].reg13); + } } static u8 pdcnew_cable_detect(ide_hwif_t *hwif) @@ -466,7 +460,7 @@ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const cha static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif) { hwif->set_pio_mode = &pdcnew_set_pio_mode; - hwif->set_dma_mode = &pdcnew_set_mode; + hwif->set_dma_mode = &pdcnew_set_dma_mode; hwif->quirkproc = &pdcnew_quirkproc; hwif->resetproc = &pdcnew_reset; |