From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Mon, 5 Nov 2007 20:42:27 +0000 (+0100)
Subject: ide: clear HOB bit for REQ_TYPE_ATA_TASK requests in ide_end_drive_cmd()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1c11d241115a352a4468a7a4884c22cf68a5c6fd;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

ide: clear HOB bit for REQ_TYPE_ATA_TASK requests in ide_end_drive_cmd()

ide_dump_ata_status() may set HOB bit before ide_end_drive_cmd() is called.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index e04967ac25b6..755011827afa 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -340,6 +340,8 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
 		if (args) {
 			args[0] = stat;
 			args[1] = err;
+			/* be sure we're looking at the low order bits */
+			hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
 			args[2] = hwif->INB(IDE_NSECTOR_REG);
 			args[3] = hwif->INB(IDE_SECTOR_REG);
 			args[4] = hwif->INB(IDE_LCYL_REG);