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

Message ID 20191022195622.66976-8-dmitry.torokhov@gmail.com
State Mainlined
Commit 833c2c083856ef3077b51c908ec401fa0a130d57
Headers show
Series
  • Face lift for st1232 touchscreen driver
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Commit Message

Dmitry Torokhov Oct. 22, 2019, 7:56 p.m. UTC
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(-)

Patch
diff mbox series

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,
 		}