* [PATCH 16/20] ide: check BUSY and ERROR status bits before reading data in drive_cmd_intr()
@ 2007-12-09 21:19 Bartlomiej Zolnierkiewicz
2007-12-10 13:36 ` Sergei Shtylyov
0 siblings, 1 reply; 2+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2007-12-09 21:19 UTC (permalink / raw
To: linux-ide
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-io.c | 7 +++++++
1 file changed, 7 insertions(+)
Index: b/drivers/ide/ide-io.c
===================================================================
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -643,6 +643,13 @@ static ide_startstop_t drive_cmd_intr (i
if (pio_in) {
u8 io_32bit = drive->io_32bit;
stat = hwif->INB(IDE_STATUS_REG);
+ if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) {
+ if (stat & (ERR_STAT | DRQ_STAT))
+ return ide_error(drive, __FUNCTION__, stat);
+ ide_set_handler(drive, &drive_cmd_intr, WAIT_WORSTCASE,
+ NULL);
+ return ide_started;
+ }
drive->io_32bit = 0;
hwif->ata_input_data(drive, &args[4], args[3] * SECTOR_WORDS);
drive->io_32bit = io_32bit;
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 16/20] ide: check BUSY and ERROR status bits before reading data in drive_cmd_intr()
2007-12-09 21:19 [PATCH 16/20] ide: check BUSY and ERROR status bits before reading data in drive_cmd_intr() Bartlomiej Zolnierkiewicz
@ 2007-12-10 13:36 ` Sergei Shtylyov
0 siblings, 0 replies; 2+ messages in thread
From: Sergei Shtylyov @ 2007-12-10 13:36 UTC (permalink / raw
To: Bartlomiej Zolnierkiewicz; +Cc: linux-ide
Bartlomiej Zolnierkiewicz wrote:
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
MBR, Sergei
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-12-09 21:19 [PATCH 16/20] ide: check BUSY and ERROR status bits before reading data in drive_cmd_intr() Bartlomiej Zolnierkiewicz
2007-12-10 13:36 ` Sergei Shtylyov
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