Re: [PATCHv2 6/9] i2c: xiic: Add a debug msg in case of timeout
On Thu, Jul 9, 2015 at 10:59 PM, Wolfram Sang wrote: > On Wed, Jun 17, 2015 at 08:48:16PM +0530, Shubhrajyoti Datta wrote: >> Currently we return silently upon a timeout. >> Adding an error message to aid debugability. Not >> a functional change. >> >> Signed-off-by: Shubhrajyoti Datta > > I am not in favour of this. In case of a stalled bus, this can easily > flood the logs. If it is for debugging, it should also be dev_dbg. And > then, it probably can also be added when needed. I mean the errno is > quite descriptive, no? > I agree I had added it for debugging. -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCHv2 6/9] i2c: xiic: Add a debug msg in case of timeout
On Wed, Jun 17, 2015 at 08:48:16PM +0530, Shubhrajyoti Datta wrote: > Currently we return silently upon a timeout. > Adding an error message to aid debugability. Not > a functional change. > > Signed-off-by: Shubhrajyoti Datta I am not in favour of this. In case of a stalled bus, this can easily flood the logs. If it is for debugging, it should also be dev_dbg. And then, it probably can also be added when needed. I mean the errno is quite descriptive, no? > --- > drivers/i2c/busses/i2c-xiic.c |1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c > index a83f300..66c571e 100644 > --- a/drivers/i2c/busses/i2c-xiic.c > +++ b/drivers/i2c/busses/i2c-xiic.c > @@ -692,6 +692,7 @@ static int xiic_xfer(struct i2c_adapter *adap, struct > i2c_msg *msgs, int num) > i2c->tx_msg = NULL; > i2c->rx_msg = NULL; > i2c->nmsgs = 0; > + dev_err(adap->dev.parent, "Controller timed out\n"); > return -ETIMEDOUT; > } > } > -- > 1.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-i2c" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html signature.asc Description: Digital signature
[PATCHv2 6/9] i2c: xiic: Add a debug msg in case of timeout
Currently we return silently upon a timeout. Adding an error message to aid debugability. Not a functional change. Signed-off-by: Shubhrajyoti Datta --- drivers/i2c/busses/i2c-xiic.c |1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index a83f300..66c571e 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -692,6 +692,7 @@ static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) i2c->tx_msg = NULL; i2c->rx_msg = NULL; i2c->nmsgs = 0; + dev_err(adap->dev.parent, "Controller timed out\n"); return -ETIMEDOUT; } } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
