| Message ID | 20230425073346.636871-1-alexander.stein@ew.tq-group.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/1] media: tc358743: Add error code to error message | expand |
Quoting Alexander Stein (2023-04-25 08:33:46) > Add the error code of a failed i2c transfer to the error message. > > Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> > --- > drivers/media/i2c/tc358743.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c > index 9197fa0b1bc2..ad6a72b2bcf5 100644 > --- a/drivers/media/i2c/tc358743.c > +++ b/drivers/media/i2c/tc358743.c > @@ -133,8 +133,8 @@ static void i2c_rd(struct v4l2_subdev *sd, u16 reg, u8 *values, u32 n) > > err = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); > if (err != ARRAY_SIZE(msgs)) { > - v4l2_err(sd, "%s: reading register 0x%x from 0x%x failed\n", > - __func__, reg, client->addr); > + v4l2_err(sd, "%s: reading register 0x%x from 0x%x failed: %d\n", Hrm. I was going to ask if %pe [0] would be relevant to print the error, but these aren't quite PTR_ERR's ... just errors... Though it looks from lib/vscnprintf.c :: err_ptr() it would still work! [0] https://www.kernel.org/doc/html/latest/core-api/printk-formats.html#error-pointers So either way, Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> > + __func__, reg, client->addr, err); > } > } > > @@ -165,8 +165,8 @@ static void i2c_wr(struct v4l2_subdev *sd, u16 reg, u8 *values, u32 n) > > err = i2c_transfer(client->adapter, &msg, 1); > if (err != 1) { > - v4l2_err(sd, "%s: writing register 0x%x from 0x%x failed\n", > - __func__, reg, client->addr); > + v4l2_err(sd, "%s: writing register 0x%x from 0x%x failed: %d\n", > + __func__, reg, client->addr, err); > return; > } > > -- > 2.34.1 >
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index 9197fa0b1bc2..ad6a72b2bcf5 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -133,8 +133,8 @@ static void i2c_rd(struct v4l2_subdev *sd, u16 reg, u8 *values, u32 n) err = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); if (err != ARRAY_SIZE(msgs)) { - v4l2_err(sd, "%s: reading register 0x%x from 0x%x failed\n", - __func__, reg, client->addr); + v4l2_err(sd, "%s: reading register 0x%x from 0x%x failed: %d\n", + __func__, reg, client->addr, err); } } @@ -165,8 +165,8 @@ static void i2c_wr(struct v4l2_subdev *sd, u16 reg, u8 *values, u32 n) err = i2c_transfer(client->adapter, &msg, 1); if (err != 1) { - v4l2_err(sd, "%s: writing register 0x%x from 0x%x failed\n", - __func__, reg, client->addr); + v4l2_err(sd, "%s: writing register 0x%x from 0x%x failed: %d\n", + __func__, reg, client->addr, err); return; }
Add the error code of a failed i2c transfer to the error message. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- drivers/media/i2c/tc358743.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)