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(parent: 50f3fd9) | patch
dw_spi: Fix missing final read in some polling situations
authorMajor Lee <major_lee@wistron.com>
Fri, 10 Dec 2010 10:13:49 +0000 (10:13 +0000)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 15 Dec 2010 02:48:59 +0000 (18:48 -0800)
commit274fed0561448c7b2ad20019dea21f15ba26c1dc
treeb04e2fdc51a8f761b432be83c379eedce17e3396tree | snapshot
parent50f3fd96d9cd67b5f2a4d2dd3ffec4af1f214132commit | diff
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>
drivers/spi/dw_spi.c diff | blob | history
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