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path: root/drivers/ide/ide-lib.c
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Diffstat (limited to 'drivers/ide/ide-lib.c')
-rw-r--r--drivers/ide/ide-lib.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index c859de77aa8..46443f16315 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -288,9 +288,10 @@ EXPORT_SYMBOL_GPL(ide_get_best_pio_mode);
void ide_set_pio(ide_drive_t *drive, u8 req_pio)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
u8 host_pio, pio;
- if (hwif->set_pio_mode == NULL ||
+ if (port_ops == NULL || port_ops->set_pio_mode == NULL ||
(hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return;
@@ -343,29 +344,30 @@ void ide_toggle_bounce(ide_drive_t *drive, int on)
int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
return 0;
- if (hwif->set_pio_mode == NULL)
+ if (port_ops == NULL || port_ops->set_pio_mode == NULL)
return -1;
/*
* TODO: temporary hack for some legacy host drivers that didn't
* set transfer mode on the device in ->set_pio_mode method...
*/
- if (hwif->set_dma_mode == NULL) {
- hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+ if (port_ops->set_dma_mode == NULL) {
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return 0;
}
if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
if (ide_config_drive_speed(drive, mode))
return -1;
- hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return 0;
} else {
- hwif->set_pio_mode(drive, mode - XFER_PIO_0);
+ port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return ide_config_drive_speed(drive, mode);
}
}
@@ -373,20 +375,21 @@ int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
int ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
return 0;
- if (hwif->set_dma_mode == NULL)
+ if (port_ops == NULL || port_ops->set_dma_mode == NULL)
return -1;
if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
if (ide_config_drive_speed(drive, mode))
return -1;
- hwif->set_dma_mode(drive, mode);
+ port_ops->set_dma_mode(drive, mode);
return 0;
} else {
- hwif->set_dma_mode(drive, mode);
+ port_ops->set_dma_mode(drive, mode);
return ide_config_drive_speed(drive, mode);
}
}
@@ -406,8 +409,9 @@ EXPORT_SYMBOL_GPL(ide_set_dma_mode);
int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
{
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
- if (hwif->set_dma_mode == NULL ||
+ if (port_ops == NULL || port_ops->set_dma_mode == NULL ||
(hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return -1;