File kvm-qemu-preXX-hw-sd.c-Add-missing-state-change-for-SD_ST.patch of Package kvm.853

From fb1ba03ab064ae2e2e8248df81a7cad805dbe9d8 Mon Sep 17 00:00:00 2001
From: Peter Maydell <peter.maydell@linaro.org>
Date: Fri, 18 Feb 2011 13:39:00 +0000
Subject: [PATCH] hw/sd.c: Add missing state change for SD_STATUS, SEND_NUM_WR_BLOCKS

The SD_STATUS and SEND_NUM_WR_BLOCKS commands are supposed to cause
the card to send data back to the host. However sd.c was missing the
state change to sd_sendingdata_state for these commands, with the effect
that the Linux driver would either hang indefinitely waiting for
nonexistent data (pl181) or read zeroes and provoke a qemu warning
message (omap).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 hw/sd.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/hw/sd.c b/hw/sd.c
index 789ca84..5e29752 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -1168,6 +1168,7 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
     case 13:	/* ACMD13: SD_STATUS */
         switch (sd->state) {
         case sd_transfer_state:
+            sd->state = sd_sendingdata_state;
             sd->data_start = 0;
             sd->data_offset = 0;
             return sd_r1;
@@ -1182,6 +1183,7 @@ static sd_rsp_type_t sd_app_command(SDState *sd,
         case sd_transfer_state:
             *(uint32_t *) sd->data = sd->blk_written;
 
+            sd->state = sd_sendingdata_state;
             sd->data_start = 0;
             sd->data_offset = 0;
             return sd_r1;
-- 
1.6.0.2