From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 25 Jan 2008 21:17:15 +0000 (+0100)
Subject: ide-disk: guarantee 400ns delay after writing command register
X-Git-Tag: v2.6.25-rc1~1236^2~20
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a7bbd20b50fb12b3a604c396b3d8a3449a43edcc;p=karo-tx-linux.git

ide-disk: guarantee 400ns delay after writing command register

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 7b4f677f7f7f..424207e67f9c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -248,6 +248,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
 		}
 
 		hwif->OUTBSYNC(drive, command, IDE_COMMAND_REG);
+		ndelay(400);	/* FIXME */
 
 		return pre_task_out_intr(drive, rq);
 	}