| commit | 1dbe7dada2d03d1313183d439068f1f951a91244 | [log] [tgz] |
|---|---|---|
| author | Alexander Stein <alexander.stein@systec-electronic.com> | Thu May 05 08:40:14 2011 -0700 |
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | Thu May 05 08:50:47 2011 -0700 |
| tree | 49f79d5fbaf5fc982f7a7742f94ed465a69220a9 | |
| parent | bf283707d5fb174ec09215ae19860ad04ba7b67a [diff] |
Input: ads7846 - make transfer buffers DMA safe req.sample needs its own cacheline otherwise accessing req.msg fetches it in again. Note: This effect doesn't occur if the underlying SPI driver doesn't use DMA at all. Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>