From 583168a216e477bfbf6039ddc331d5827833ec08 Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Sat, 23 Jul 2011 18:18:14 +0200
Subject: [PATCH] * grub-core/disk/pata.c (grub_pata_readwrite): Add
missing wait.
---
ChangeLog | 4 ++++
grub-core/disk/pata.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 71c33569f..2eb0c0fcd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-07-23 Vladimir Serbinenko <phcoder@gmail.com>
+
+ * grub-core/disk/pata.c (grub_pata_readwrite): Add missing wait.
+
2011-07-23 Vladimir Serbinenko <phcoder@gmail.com>
* include/grub/video.h: add missing EXPORT_FUND on
diff --git a/grub-core/disk/pata.c b/grub-core/disk/pata.c
index ff6f77366..c54fe91ab 100644
--- a/grub-core/disk/pata.c
+++ b/grub-core/disk/pata.c
@@ -177,6 +177,10 @@ grub_pata_readwrite (struct grub_ata *disk,
/* Start command. */
grub_pata_regset (dev, GRUB_ATA_REG_CMD, parms->taskfile.cmd);
+ /* Wait for !BSY. */
+ if (grub_pata_wait_not_busy (dev, GRUB_ATA_TOUT_DATA))
+ return grub_errno;
+
/* Check status. */
grub_int8_t sts = grub_pata_regget (dev, GRUB_ATA_REG_STATUS);
grub_dprintf ("pata", "status=0x%x\n", sts);