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alistair23-linux
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ide: disable drive interrupts in ide_driveid_update() 

Since ide_driveid_update() uses polling to execute the IDENTIFY DEVICE command
but clears nIEN bit in the control register and doesn't mask the IDE interrupt,
the latter does happen and lead to the corresponding message to appear:

ide0: unexpected interrupt, status=0x58, count=1

when e.g. running hdparm with option -X with a non-PCI IDE driver...

Signed-off-by: Mikhail Cherkashin <mcherkashin@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
hifive-unleashed-5.1
Mikhail Cherkashin 2008-07-15 21:21:40 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 8c6e46ddb3
commit 5ddee516da
1 changed files with 1 additions and 1 deletions
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2
drivers/ide/ide-iops.c
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@ -689,7 +689,7 @@ int ide_driveid_update(ide_drive_t *drive)
*/
SELECT_MASK(drive, 1);
ide_set_irq(drive, 1);
ide_set_irq(drive, 0);
msleep(50);
hwif->OUTBSYNC(drive, WIN_IDENTIFY, hwif->io_ports.command_addr);
timeout = jiffies + WAIT_WORSTCASE;