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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-10-22 09:34:59 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-10-28 21:04:16 -0700 |
| commit | 833c2c083856ef3077b51c908ec401fa0a130d57 (patch) | |
| tree | 038496d2fb911cd5b83f92d6d6ac5b605246bef0 /drivers/input/touchscreen/st1232.c | |
| parent | Input: st1232 - do not set parent device explicitly (diff) | |
| download | linux-dev-833c2c083856ef3077b51c908ec401fa0a130d57.tar.xz linux-dev-833c2c083856ef3077b51c908ec401fa0a130d57.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/input/touchscreen/st1232.c | 2 |
1 files changed, 1 insertions, 1 deletions
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, } |