au1xxx: fix au1xxx_set_pio_mode()
Set transfer mode on the device before programming the host controller for
the new timings (matches what auide_tune_chipset() is doing wrt DMA modes).
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 85819ae..c319f61 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -103,7 +103,9 @@
{
int mem_sttime;
int mem_stcfg;
- u8 speed;
+
+ if (ide_config_drive_speed(drive, pio + XFER_PIO_0))
+ return;
mem_sttime = 0;
mem_stcfg = au_readl(MEM_STCFG2);
@@ -164,9 +166,6 @@
au_writel(mem_sttime,MEM_STTIME2);
au_writel(mem_stcfg,MEM_STCFG2);
-
- speed = pio + XFER_PIO_0;
- ide_config_drive_speed(drive, speed);
}
static int auide_tune_chipset(ide_drive_t *drive, const u8 speed)