| commit | adbd77b589d0345cfc42f1ae0b3414e62a2bf866 | [log] [tgz] |
|---|---|---|
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | Sat Nov 04 21:20:09 2017 +0100 |
| committer | Wolfram Sang <wsa@the-dreams.de> | Sun Dec 03 21:25:00 2017 +0100 |
| tree | d06e192b7c1a94926d4b8f79f515cabb37bbee1e | |
| parent | fe23aa9a1670b8800b251fc0400425e765c81880 [diff] |
i2c: rcar: skip DMA if buffer is not safe This HW is prone to races, so it needs to setup new messages in irq context. That means we can't alloc bounce buffers if a message buffer is not DMA safe. So, in that case, simply fall back to PIO. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>