i2c: mediatek: Use DMA safe buffers for i2c transactions

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DMA mode will always be used in i2c transactions, try to allocate
a DMA safe buffer if the buf of struct i2c_msg used is not DMA safe.

Signed-off-by: Jun Gao <jun.gao@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Jun Gao 2018-09-06 21:15:29 +08:00 • committed by Wolfram Sang

parent 9cbeeca050

commit fc66b39fe3

1 changed files with 55 additions and 7 deletions

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68

drivers/i2c/busses/i2c-mt65xx.c

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