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path: root/drivers/ide/pci/sl82c105.c
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Diffstat (limited to 'drivers/ide/pci/sl82c105.c')
-rw-r--r--drivers/ide/pci/sl82c105.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index f492318ba797..2ef26e3f7be4 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -75,7 +75,7 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
75/* 75/*
76 * Configure the chipset for PIO mode. 76 * Configure the chipset for PIO mode.
77 */ 77 */
78static void sl82c105_tune_pio(ide_drive_t *drive, const u8 pio) 78static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
79{ 79{
80 struct pci_dev *dev = HWIF(drive)->pci_dev; 80 struct pci_dev *dev = HWIF(drive)->pci_dev;
81 int reg = 0x44 + drive->dn * 4; 81 int reg = 0x44 + drive->dn * 4;
@@ -105,9 +105,9 @@ static void sl82c105_tune_pio(ide_drive_t *drive, const u8 pio)
105} 105}
106 106
107/* 107/*
108 * Configure the drive and chipset for a new transfer speed. 108 * Configure the chipset for DMA mode.
109 */ 109 */
110static int sl82c105_tune_chipset(ide_drive_t *drive, const u8 speed) 110static void sl82c105_set_dma_mode(ide_drive_t *drive, const u8 speed)
111{ 111{
112 static u16 mwdma_timings[] = {0x0707, 0x0201, 0x0200}; 112 static u16 mwdma_timings[] = {0x0707, 0x0201, 0x0200};
113 u16 drv_ctrl; 113 u16 drv_ctrl;
@@ -140,10 +140,8 @@ static int sl82c105_tune_chipset(ide_drive_t *drive, const u8 speed)
140 } 140 }
141 break; 141 break;
142 default: 142 default:
143 return -1; 143 return;
144 } 144 }
145
146 return ide_config_drive_speed(drive, speed);
147} 145}
148 146
149/* 147/*
@@ -306,17 +304,6 @@ static void sl82c105_resetproc(ide_drive_t *drive)
306 pci_read_config_dword(dev, 0x40, &val); 304 pci_read_config_dword(dev, 0x40, &val);
307 pci_set_drvdata(dev, (void *)val); 305 pci_set_drvdata(dev, (void *)val);
308} 306}
309
310/*
311 * We only deal with PIO mode here - DMA mode 'using_dma' is not
312 * initialised at the point that this function is called.
313 */
314static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
315{
316 sl82c105_tune_pio(drive, pio);
317
318 (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio);
319}
320 307
321/* 308/*
322 * Return the revision of the Winbond bridge 309 * Return the revision of the Winbond bridge
@@ -383,7 +370,7 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
383 DBG(("init_hwif_sl82c105(hwif: ide%d)\n", hwif->index)); 370 DBG(("init_hwif_sl82c105(hwif: ide%d)\n", hwif->index));
384 371
385 hwif->set_pio_mode = &sl82c105_set_pio_mode; 372 hwif->set_pio_mode = &sl82c105_set_pio_mode;
386 hwif->speedproc = &sl82c105_tune_chipset; 373 hwif->set_dma_mode = &sl82c105_set_dma_mode;
387 hwif->selectproc = &sl82c105_selectproc; 374 hwif->selectproc = &sl82c105_selectproc;
388 hwif->resetproc = &sl82c105_resetproc; 375 hwif->resetproc = &sl82c105_resetproc;
389 376