From 08590556d65b2611c5821bc532ca30db776e6044 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 26 Jan 2008 20:12:59 +0100 Subject: [PATCH] sl82c105: remove no longer needed ->selectproc method * Program register 0x40 in sl82c105_resetproc(). * Remove no longer needed sl82c105_selectproc() and pci_set_drvdata() calls. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/sl82c105.c | 34 +++------------------------------- 1 file changed, 3 insertions(+), 31 deletions(-) diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c index a85413467f9..c7a125b66c2 100644 --- a/drivers/ide/pci/sl82c105.c +++ b/drivers/ide/pci/sl82c105.c @@ -218,36 +218,9 @@ static int sl82c105_dma_end(ide_drive_t *drive) return ret; } -/* - * Ok, that is nasty, but we must make sure the DMA timings - * won't be used for a PIO access. The solution here is - * to make sure the 16 bits mode is diabled on the channel - * when DMA is enabled, thus causing the chip to use PIO0 - * timings for those operations. - */ -static void sl82c105_selectproc(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct pci_dev *dev = hwif->pci_dev; - u32 val, old, mask; - - //DBG(("sl82c105_selectproc(drive:%s)\n", drive->name)); - - mask = hwif->channel ? CTRL_P1F16 : CTRL_P0F16; - old = val = (u32)pci_get_drvdata(dev); - if (drive->using_dma) - val &= ~mask; - else - val |= mask; - if (old != val) { - pci_write_config_dword(dev, 0x40, val); - pci_set_drvdata(dev, (void *)val); - } -} - /* * ATA reset will clear the 16 bits mode in the control - * register, we need to update our cache + * register, we need to reprogram it */ static void sl82c105_resetproc(ide_drive_t *drive) { @@ -257,7 +230,8 @@ static void sl82c105_resetproc(ide_drive_t *drive) DBG(("sl82c105_resetproc(drive:%s)\n", drive->name)); pci_read_config_dword(dev, 0x40, &val); - pci_set_drvdata(dev, (void *)val); + val |= (CTRL_P1F16 | CTRL_P0F16); + pci_write_config_dword(dev, 0x40, val); } /* @@ -310,7 +284,6 @@ static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev, const c pci_read_config_dword(dev, 0x40, &val); val |= CTRL_P0EN | CTRL_P0F16 | CTRL_P1F16; pci_write_config_dword(dev, 0x40, val); - pci_set_drvdata(dev, (void *)val); return dev->irq; } @@ -326,7 +299,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif) hwif->set_pio_mode = &sl82c105_set_pio_mode; hwif->set_dma_mode = &sl82c105_set_dma_mode; - hwif->selectproc = &sl82c105_selectproc; hwif->resetproc = &sl82c105_resetproc; if (!hwif->dma_base) -- 2.41.1