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path: root/drivers/ide/pci/slc90e66.c
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Diffstat (limited to 'drivers/ide/pci/slc90e66.c')
-rw-r--r--drivers/ide/pci/slc90e66.c24
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 852ccb36da1d..c40f291f91e0 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -21,15 +21,6 @@
21 21
22#include <asm/io.h> 22#include <asm/io.h>
23 23
24static u8 slc90e66_ratemask (ide_drive_t *drive)
25{
26 u8 mode = 2;
27
28 if (!eighty_ninty_three(drive))
29 mode = min_t(u8, mode, 1);
30 return mode;
31}
32
33static u8 slc90e66_dma_2_pio (u8 xfer_rate) { 24static u8 slc90e66_dma_2_pio (u8 xfer_rate) {
34 switch(xfer_rate) { 25 switch(xfer_rate) {
35 case XFER_UDMA_4: 26 case XFER_UDMA_4:
@@ -122,7 +113,7 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
122 ide_hwif_t *hwif = HWIF(drive); 113 ide_hwif_t *hwif = HWIF(drive);
123 struct pci_dev *dev = hwif->pci_dev; 114 struct pci_dev *dev = hwif->pci_dev;
124 u8 maslave = hwif->channel ? 0x42 : 0x40; 115 u8 maslave = hwif->channel ? 0x42 : 0x40;
125 u8 speed = ide_rate_filter(slc90e66_ratemask(drive), xferspeed); 116 u8 speed = ide_rate_filter(drive, xferspeed);
126 int sitre = 0, a_speed = 7 << (drive->dn * 4); 117 int sitre = 0, a_speed = 7 << (drive->dn * 4);
127 int u_speed = 0, u_flag = 1 << drive->dn; 118 int u_speed = 0, u_flag = 1 << drive->dn;
128 u16 reg4042, reg44, reg48, reg4a; 119 u16 reg4042, reg44, reg48, reg4a;
@@ -169,22 +160,11 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
169 return ide_config_drive_speed(drive, speed); 160 return ide_config_drive_speed(drive, speed);
170} 161}
171 162
172static int slc90e66_config_drive_for_dma (ide_drive_t *drive)
173{
174 u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive));
175
176 if (!speed)
177 return 0;
178
179 (void) slc90e66_tune_chipset(drive, speed);
180 return ide_dma_enable(drive);
181}
182
183static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive) 163static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive)
184{ 164{
185 drive->init_speed = 0; 165 drive->init_speed = 0;
186 166
187 if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive)) 167 if (ide_tune_dma(drive))
188 return 0; 168 return 0;
189 169
190 if (ide_use_fast_pio(drive)) 170 if (ide_use_fast_pio(drive))