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path: root/drivers/ide/tc86c001.c
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Diffstat (limited to 'drivers/ide/tc86c001.c')
-rw-r--r--drivers/ide/tc86c001.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/ide/tc86c001.c b/drivers/ide/tc86c001.c
index 93e2cce4b296..accb379bcad6 100644
--- a/drivers/ide/tc86c001.c
+++ b/drivers/ide/tc86c001.c
@@ -64,11 +64,10 @@ static int tc86c001_timer_expiry(ide_drive_t *drive)
64{ 64{
65 ide_hwif_t *hwif = HWIF(drive); 65 ide_hwif_t *hwif = HWIF(drive);
66 ide_expiry_t *expiry = ide_get_hwifdata(hwif); 66 ide_expiry_t *expiry = ide_get_hwifdata(hwif);
67 ide_hwgroup_t *hwgroup = HWGROUP(drive);
68 u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS); 67 u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
69 68
70 /* Restore a higher level driver's expiry handler first. */ 69 /* Restore a higher level driver's expiry handler first. */
71 hwgroup->expiry = expiry; 70 hwif->expiry = expiry;
72 71
73 if ((dma_stat & 5) == 1) { /* DMA active and no interrupt */ 72 if ((dma_stat & 5) == 1) { /* DMA active and no interrupt */
74 unsigned long sc_base = hwif->config_data; 73 unsigned long sc_base = hwif->config_data;
@@ -111,10 +110,9 @@ static int tc86c001_timer_expiry(ide_drive_t *drive)
111static void tc86c001_dma_start(ide_drive_t *drive) 110static void tc86c001_dma_start(ide_drive_t *drive)
112{ 111{
113 ide_hwif_t *hwif = HWIF(drive); 112 ide_hwif_t *hwif = HWIF(drive);
114 ide_hwgroup_t *hwgroup = HWGROUP(drive);
115 unsigned long sc_base = hwif->config_data; 113 unsigned long sc_base = hwif->config_data;
116 unsigned long twcr_port = sc_base + (drive->dn ? 0x06 : 0x04); 114 unsigned long twcr_port = sc_base + (drive->dn ? 0x06 : 0x04);
117 unsigned long nsectors = hwgroup->rq->nr_sectors; 115 unsigned long nsectors = hwif->rq->nr_sectors;
118 116
119 /* 117 /*
120 * We have to manually load the sector count and size into 118 * We have to manually load the sector count and size into
@@ -125,8 +123,8 @@ static void tc86c001_dma_start(ide_drive_t *drive)
125 outw(SECTOR_SIZE / 2, twcr_port); /* Transfer Word Count 1/2 */ 123 outw(SECTOR_SIZE / 2, twcr_port); /* Transfer Word Count 1/2 */
126 124
127 /* Install our timeout expiry hook, saving the current handler... */ 125 /* Install our timeout expiry hook, saving the current handler... */
128 ide_set_hwifdata(hwif, hwgroup->expiry); 126 ide_set_hwifdata(hwif, hwif->expiry);
129 hwgroup->expiry = &tc86c001_timer_expiry; 127 hwif->expiry = &tc86c001_timer_expiry;
130 128
131 ide_dma_start(drive); 129 ide_dma_start(drive);
132} 130}