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From 57cf924ba722d0ef7f48b4a0f8a44a0ddeefc470 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Fri, 26 Jun 2009 17:14:25 +0300
Subject: [PATCH 128/146] DSS2: DSI: check bus_lock in send_bta()
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
drivers/video/omap2/dss/dsi.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index d2c5b94..3b15684 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1786,7 +1786,9 @@ static int dsi_vc_send_bta(int channel)
{
unsigned long tmo;
- /*DSSDBG("dsi_vc_send_bta_sync %d\n", channel); */
+ DSSDBG("dsi_vc_send_bta %d\n", channel);
+
+ WARN_ON(!mutex_is_locked(&dsi.bus_lock));
if (REG_GET(DSI_VC_CTRL(channel), 20, 20)) { /* RX_FIFO_NOT_EMPTY */
DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
--
1.6.2.4
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