[PATCH 7/8] Input: st1232 - note that the receive buffer is DMA-safe

Dmitry Torokhov
2019-10-22T19:56:41Z

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.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

drivers/input/touchscreen/st1232.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
index 0aee330731c9..a4a3b82ee69d 100644
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@@ -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,
}
--
2.23.0.866.gb869b98d4c-goog