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(parent: 14911c6) | patch
i2c: add a message flag for DMA safe buffers
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Sat, 4 Nov 2017 20:20:01 +0000 (21:20 +0100)
committerWolfram Sang <wsa@the-dreams.de>
Sun, 3 Dec 2017 19:47:33 +0000 (20:47 +0100)
commit521a72e1f2e8141d78e7699eaacda24e308ed428
tree11ef5aef08fb208c3152812c36ecb5bedfa95dd1tree | snapshot
parent14911c6f48ec9571343ac36ae02f2db68bf9e7f9commit | diff
i2c: add a message flag for DMA safe buffers

I2C has no requirement that the buffer of a message needs to be DMA
safe. In case it is, it can now be flagged, so drivers wishing to
do DMA can use the buffer directly.

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>
include/uapi/linux/i2c.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)