From: Geng Xiujun <xiujun.geng@intel.com>
Date: Wed, 23 May 2012 03:33:10 +0000 (+0800)
Subject: Gfx-display: remove unnecessary sleep
X-Git-Tag: 2.1b_release~698
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b2b8d1a0a281bb90d40b9f87ad63c01101a88470;p=kernel%2Fkernel-mfld-blackbay.git

Gfx-display: remove unnecessary sleep

BZ: 37477

5ms sleep is unnecessary in pr2 panel's IC initialization as panel reset can
make sure this wait time.

Change-Id: I735e9e00651b28885d59bbc24bf2d96f0441a908
Signed-off-by: Geng Xiujun <xiujun.geng@intel.com>
Reviewed-on: http://android.intel.com:8080/49804
Reviewed-by: Xu, Randy <randy.xu@intel.com>
Reviewed-by: Hu, Austin <austin.hu@intel.com>
Reviewed-by: Zhang, Lei <lei.zhang@intel.com>
Reviewed-by: Ai, Ke <ke.ai@intel.com>
Reviewed-by: Hogander, Jouni <jouni.hogander@intel.com>
Tested-by: Tong, BoX <box.tong@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
---

diff --git a/drivers/staging/mrst/drv/tmd_6x10_vid.c b/drivers/staging/mrst/drv/tmd_6x10_vid.c
index 0fb5cba..0ff7d0e 100755
--- a/drivers/staging/mrst/drv/tmd_6x10_vid.c
+++ b/drivers/staging/mrst/drv/tmd_6x10_vid.c
@@ -95,11 +95,6 @@ int mdfld_dsi_pr2_ic_init(struct mdfld_dsi_config *dsi_config, int pipe)
 	printk(KERN_ALERT "[DISPLAY TRK] Enter %s\n", __func__);
 	sender->status = MDFLD_DSI_PKG_SENDER_FREE;
 
-	/*wait for 5ms*/
-	wait_timeout = jiffies + (HZ / 200);
-	while (time_before_eq(jiffies, wait_timeout))
-		cpu_relax();
-
 	mdfld_dsi_send_gen_long_lp(sender, pr2_mcs_protect_off, 4, 0);
 	if (sender->status == MDFLD_DSI_CONTROL_ABNORMAL)
 		return -EIO;