aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/pci/atiixp.c7
-rw-r--r--drivers/ide/pci/jmicron.c4
-rw-r--r--drivers/ide/pci/triflex.c8
3 files changed, 8 insertions, 11 deletions
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 982ac31fa995..922b315da4a0 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -235,11 +235,8 @@ static int atiixp_config_drive_for_dma(ide_drive_t *drive)
235{ 235{
236 u8 speed = ide_dma_speed(drive, atiixp_ratemask(drive)); 236 u8 speed = ide_dma_speed(drive, atiixp_ratemask(drive));
237 237
238 /* If no DMA speed was available then disable DMA and use PIO. */ 238 if (!speed)
239 if (!speed) { 239 return 0;
240 u8 tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);
241 speed = atiixp_dma_2_pio(XFER_PIO_0 + tspeed) + XFER_PIO_0;
242 }
243 240
244 (void) atiixp_speedproc(drive, speed); 241 (void) atiixp_speedproc(drive, speed);
245 return ide_dma_enable(drive); 242 return ide_dma_enable(drive);
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index f07bbbed1778..75c2b409908c 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -147,7 +147,9 @@ static int config_chipset_for_dma (ide_drive_t *drive)
147{ 147{
148 u8 speed = ide_dma_speed(drive, jmicron_ratemask(drive)); 148 u8 speed = ide_dma_speed(drive, jmicron_ratemask(drive));
149 149
150 config_jmicron_chipset_for_pio(drive, !speed); 150 if (!speed)
151 return 0;
152
151 jmicron_tune_chipset(drive, speed); 153 jmicron_tune_chipset(drive, speed);
152 return ide_dma_enable(drive); 154 return ide_dma_enable(drive);
153} 155}
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index b13cce1fd1a6..b0d29cd7123a 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -104,11 +104,9 @@ static int triflex_config_drive_for_dma(ide_drive_t *drive)
104{ 104{
105 int speed = ide_dma_speed(drive, 0); /* No ultra speeds */ 105 int speed = ide_dma_speed(drive, 0); /* No ultra speeds */
106 106
107 if (!speed) { 107 if (!speed)
108 u8 pspeed = ide_get_best_pio_mode(drive, 255, 4, NULL); 108 return 0;
109 speed = XFER_PIO_0 + pspeed; 109
110 }
111
112 (void) triflex_tune_chipset(drive, speed); 110 (void) triflex_tune_chipset(drive, speed);
113 return ide_dma_enable(drive); 111 return ide_dma_enable(drive);
114} 112}