From: Kyoungil Kim <ki0351.kim@samsung.com>
Date: Wed, 23 May 2012 12:34:06 +0000 (+0900)
Subject: spi: Keep chipselect assertion during one message
X-Git-Tag: v3.8-rc1~41^4~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f38010d54a9dfd4b9c9e49a7184f84cc2281605;p=platform%2Fkernel%2Flinux-stable.git

spi: Keep chipselect assertion during one message

During all transfers in one message, the device will not be chagned.
So we don't need to deassert chipselect during one message.

Signed-off-by: Kyoungil Kim <ki0351.kim@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 4dd7b7c..88c3f5e 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -771,8 +771,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
 			if (list_is_last(&xfer->transfer_list,
 						&msg->transfers))
 				cs_toggle = 1;
-			else
-				disable_cs(sdd, spi);
 		}
 
 		msg->actual_length += xfer->len;