[PATCH] spi: rspi: fix the bug related to mount/remount jffs2

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From: Dong <cv-dong@xxxxxxxxxxx>

This patch fixes the output warning logs and data loss when
performing mount/umount then remount the device with jffs2 format.

This is the warning logs when performing mount/umount then remount the device with jffs2 format:
"root@linaro-naro:~# mount -t jffs2 /dev/mtdblock2 /mnt/media
[ 3839.928013] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40000: 0x1900 instead
[ 3839.956515] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40004: 0x000c instead
[ 3839.985009] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40008: 0xb0b1 instead
[ 3840.013591] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b4000c: 0x1900 instead
[ 3840.042087] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40010: 0x0044 instead
[ 3840.070566] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40014: 0xfb1d instead
[ 3840.099159] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40018: 0x0002 instead
[ 3840.127604] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b4001c: 0x0001 instead
[ 3840.156043] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b40020: 0x81a4 instead
[ 3840.184472] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x03b4002c: 0x6529 instead
[ 3840.212900] jffs2: Further such events for this erase block will not be printed
[ 3840.322915] jffs2: notice: (2008) read_dnode: node CRC failed on dnode at 0x3b40080: read 0xc40b5dfc, calculated 0x264be003
root@linaro-naro[ 3840.356857] jffs2: warning: (2008) jffs2_do_read_inode_internal: no data nodes found for ino #2
:~# [ 3840.386659] jffs2: Returned error for crccheck of ino #2. Expect badness...

Signed-off-by: Dong <cv-dong@xxxxxxxxxxx>
---
 drivers/spi/spi-rspi.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 9daf500..2ee1301 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -848,7 +848,6 @@ static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)
 			ret = rspi_pio_transfer(rspi, NULL, rx, n);
 			if (ret < 0)
 				return ret;
-			*rx++ = ret;
 		}
 		n -= len;
 	}
-- 
1.9.1




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