i2c: sh_mobile: use core helper to decide when to use DMA

Browse source

This ensures that we fall back to PIO if the message length is too small
for DMA being useful. Otherwise, we use DMA. A bounce buffer might be
applied by the helper if the original message buffer is not DMA safe.

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>

...

This commit is contained in:

Wolfram Sang 2017-11-04 21:20:08 +01:00 • committed by Wolfram Sang

parent d4e01186ae

commit fe23aa9a16

1 changed files with 6 additions and 2 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

8

drivers/i2c/busses/i2c-sh_mobile.c

View file