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Input: st1232 - note that the receive buffer is DMA-safe 

The receiving buffer is allocated separately from the main driver
data structure, and is naturally DMA-safe, so mark it as such when
building I2C transfer message.

Tested-by: Matthias Fend <Matthias.Fend@wolfvision.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2019-10-22 09:34:59 -07:00
parent b67b6f598c
commit 833c2c0838
1 changed files with 1 additions and 1 deletions
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2
drivers/input/touchscreen/st1232.c
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@ -66,7 +66,7 @@ static int st1232_ts_read_data(struct st1232_ts_data *ts)
},
{
.addr = client->addr,
.flags = I2C_M_RD,
.flags = I2C_M_RD | I2C_M_DMA_SAFE,
.len = ts->read_buf_len,
.buf = ts->read_buf,
}