diff options
Diffstat (limited to 'drivers/ide/pci/jmicron.c')
-rw-r--r-- | drivers/ide/pci/jmicron.c | 40 |
1 files changed, 2 insertions, 38 deletions
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c index be4fc96c29e0..76ed25147229 100644 --- a/drivers/ide/pci/jmicron.c +++ b/drivers/ide/pci/jmicron.c | |||
@@ -22,22 +22,6 @@ typedef enum { | |||
22 | } port_type; | 22 | } port_type; |
23 | 23 | ||
24 | /** | 24 | /** |
25 | * jmicron_ratemask - Compute available modes | ||
26 | * @drive: IDE drive | ||
27 | * | ||
28 | * Compute the available speeds for the devices on the interface. This | ||
29 | * is all modes to ATA133 clipped by drive cable setup. | ||
30 | */ | ||
31 | |||
32 | static u8 jmicron_ratemask(ide_drive_t *drive) | ||
33 | { | ||
34 | u8 mode = 4; | ||
35 | if (!eighty_ninty_three(drive)) | ||
36 | mode = min(mode, (u8)1); | ||
37 | return mode; | ||
38 | } | ||
39 | |||
40 | /** | ||
41 | * ata66_jmicron - Cable check | 25 | * ata66_jmicron - Cable check |
42 | * @hwif: IDE port | 26 | * @hwif: IDE port |
43 | * | 27 | * |
@@ -129,32 +113,12 @@ static void config_jmicron_chipset_for_pio (ide_drive_t *drive, byte set_speed) | |||
129 | 113 | ||
130 | static int jmicron_tune_chipset (ide_drive_t *drive, byte xferspeed) | 114 | static int jmicron_tune_chipset (ide_drive_t *drive, byte xferspeed) |
131 | { | 115 | { |
132 | 116 | u8 speed = ide_rate_filter(drive, xferspeed); | |
133 | u8 speed = ide_rate_filter(jmicron_ratemask(drive), xferspeed); | ||
134 | 117 | ||
135 | return ide_config_drive_speed(drive, speed); | 118 | return ide_config_drive_speed(drive, speed); |
136 | } | 119 | } |
137 | 120 | ||
138 | /** | 121 | /** |
139 | * config_chipset_for_dma - configure for DMA | ||
140 | * @drive: drive to configure | ||
141 | * | ||
142 | * As the JMicron snoops for timings all we actually need to do is | ||
143 | * make sure we don't set an invalid mode. | ||
144 | */ | ||
145 | |||
146 | static int config_chipset_for_dma (ide_drive_t *drive) | ||
147 | { | ||
148 | u8 speed = ide_dma_speed(drive, jmicron_ratemask(drive)); | ||
149 | |||
150 | if (!speed) | ||
151 | return 0; | ||
152 | |||
153 | jmicron_tune_chipset(drive, speed); | ||
154 | return ide_dma_enable(drive); | ||
155 | } | ||
156 | |||
157 | /** | ||
158 | * jmicron_configure_drive_for_dma - set up for DMA transfers | 122 | * jmicron_configure_drive_for_dma - set up for DMA transfers |
159 | * @drive: drive we are going to set up | 123 | * @drive: drive we are going to set up |
160 | * | 124 | * |
@@ -164,7 +128,7 @@ static int config_chipset_for_dma (ide_drive_t *drive) | |||
164 | 128 | ||
165 | static int jmicron_config_drive_for_dma (ide_drive_t *drive) | 129 | static int jmicron_config_drive_for_dma (ide_drive_t *drive) |
166 | { | 130 | { |
167 | if (ide_use_dma(drive) && config_chipset_for_dma(drive)) | 131 | if (ide_tune_dma(drive)) |
168 | return 0; | 132 | return 0; |
169 | 133 | ||
170 | config_jmicron_chipset_for_pio(drive, 1); | 134 | config_jmicron_chipset_for_pio(drive, 1); |