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spi: Keep chipselect assertion during one message
author
Kyoungil Kim
<ki0351.kim@samsung.com>
Wed, 23 May 2012 12:34:06 +0000
(21:34 +0900)
committer
Grant Likely
<grant.likely@secretlab.ca>
Sat, 15 Dec 2012 00:49:33 +0000
(
00:49
+0000)
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>
drivers/spi/spi-s3c64xx.c
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diff --git
a/drivers/spi/spi-s3c64xx.c
b/drivers/spi/spi-s3c64xx.c
index
4dd7b7c
..
88c3f5e
100644
(file)
--- 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;