| commit | 3d0b6087f3f2c88caef25e1455ff8db0816d4e11 | |
| author | Major Lee <major_lee@wistron.com> | |
| Fri, 10 Dec 2010 10:13:49 +0000 (10 10:13 +0000) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Wed, 15 Dec 2010 02:48:59 +0000 (14 18:48 -0800) | ||
| tree | b04e2fdc51a8f761b432be83c379eedce17e3396 | treesnapshot (tar.gz zip) |
| parent | 54efdfeb49f03adfd0196935335890469ed314b9 | commitdiff |
dw_spi: Fix missing final read in some polling situations
There is a possibility that the last word of a transaction will be lost
if data is not ready. Re-read in poll_transfer() to solve this issue
when poll_mode is enabled.
Verified on SPI touch screen device.
Signed-off-by: Major Lee <major_lee@wistron.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There is a possibility that the last word of a transaction will be lost
if data is not ready. Re-read in poll_transfer() to solve this issue
when poll_mode is enabled.
Verified on SPI touch screen device.
Signed-off-by: Major Lee <major_lee@wistron.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| drivers/spi/dw_spi.c | diffblobblamehistory |