Re: [PATCH v2 1/1] i2c: taos-evm: replace simple_strtoul by kstrtou8

From: LABBE Corentin
Date: Wed Nov 18 2015 - 04:39:51 EST


On Wed, Nov 18, 2015 at 10:29:54AM +0100, Jean Delvare wrote:
> Hi Corentin,
>
> On Wed, 18 Nov 2015 09:00:53 +0100, LABBE Corentin wrote:
> > The simple_strtoul function is marked as obsolete.
> > This patch replace it by kstrtou8.
> >
> > Signed-off-by: LABBE Corentin <clabbe.montjoie@xxxxxxxxx>
> > ---
> > drivers/i2c/busses/i2c-taos-evm.c | 10 +++++++++-
> > 1 file changed, 9 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c
> > index 4c7fc2d..552f127 100644
> > --- a/drivers/i2c/busses/i2c-taos-evm.c
> > +++ b/drivers/i2c/busses/i2c-taos-evm.c
> > @@ -70,6 +70,7 @@ static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
> > struct serio *serio = adapter->algo_data;
> > struct taos_data *taos = serio_get_drvdata(serio);
> > char *p;
> > + int err;
> >
> > /* Encode our transaction. "@" is for the device address, "$" for the
> > SMBus command and "#" for the data. */
> > @@ -130,7 +131,14 @@ static int taos_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
> > return 0;
> > } else {
> > if (p[0] == 'x') {
> > - data->byte = simple_strtol(p + 1, NULL, 16);
> > + /*
> > + * voluntary dropping error code of kstrtou8 since all
>
> "Voluntarily" or "Willingly" would be more correct.
>
> > + * error code that it could return are invalid according
> > + * to Documentation/i2c/fault-codes
> > + */
> > + err = kstrtou8(p + 1, 16, &data->byte);
> > + if (err)
> > + return -EPROTO;
> > return 0;
> > }
> > }
>
> Thanks for the patch. Note that you don't strictly need the "err"
> variable as you never use its value.
>
> Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>
> Tested-by: Jean Delvare <jdelvare@xxxxxxx>
>

Thanks

I will send a v3 without the err and the spell fix.

Regards

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