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.torok...@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

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