| Message ID | 460afa20784a445dff05b552ebb8c6a389d9de85.1701901105.git.christophe.leroy@csgroup.eu |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] i2c: cpm: Remove linux,i2c-index conversion from be32 | expand |
Acked-By: Jochen Friedrich <jochen@scram.de> Am 06.12.2023 um 23:24 schrieb Christophe Leroy: > sparse reports an error on some data that gets converted from be32. > > That's because that data is typed u32 instead of __be32. > > The type is correct, the be32_to_cpu() conversion is not. > > Remove the conversion. > > Reported-by: kernel test robot <lkp@intel.com> > Closes: https://lore.kernel.org/oe-kbuild-all/202312042210.QL4DA8Av-lkp@intel.com/ > Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > v2: Use u32 directly, remove be32_to_cpu(). > --- > drivers/i2c/busses/i2c-cpm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c > index 9a664abf734d..771d60bc8d71 100644 > --- a/drivers/i2c/busses/i2c-cpm.c > +++ b/drivers/i2c/busses/i2c-cpm.c > @@ -658,7 +658,7 @@ static int cpm_i2c_probe(struct platform_device *ofdev) > /* register new adapter to i2c module... */ > > data = of_get_property(ofdev->dev.of_node, "linux,i2c-index", &len); > - cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1; > + cpm->adap.nr = (data && len == 4) ? *data : -1; > result = i2c_add_numbered_adapter(&cpm->adap); > > if (result < 0)
Hi Christophe, On Wed, Dec 06, 2023 at 11:24:03PM +0100, Christophe Leroy wrote: > sparse reports an error on some data that gets converted from be32. > > That's because that data is typed u32 instead of __be32. > > The type is correct, the be32_to_cpu() conversion is not. > > Remove the conversion. > > Reported-by: kernel test robot <lkp@intel.com> > Closes: https://lore.kernel.org/oe-kbuild-all/202312042210.QL4DA8Av-lkp@intel.com/ > Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > v2: Use u32 directly, remove be32_to_cpu(). > --- > drivers/i2c/busses/i2c-cpm.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c > index 9a664abf734d..771d60bc8d71 100644 > --- a/drivers/i2c/busses/i2c-cpm.c > +++ b/drivers/i2c/busses/i2c-cpm.c > @@ -658,7 +658,7 @@ static int cpm_i2c_probe(struct platform_device *ofdev) > /* register new adapter to i2c module... */ > > data = of_get_property(ofdev->dev.of_node, "linux,i2c-index", &len); > - cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1; > + cpm->adap.nr = (data && len == 4) ? *data : -1; thanks! Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Andi
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 9a664abf734d..771d60bc8d71 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -658,7 +658,7 @@ static int cpm_i2c_probe(struct platform_device *ofdev) /* register new adapter to i2c module... */ data = of_get_property(ofdev->dev.of_node, "linux,i2c-index", &len); - cpm->adap.nr = (data && len == 4) ? be32_to_cpup(data) : -1; + cpm->adap.nr = (data && len == 4) ? *data : -1; result = i2c_add_numbered_adapter(&cpm->adap); if (result < 0)
sparse reports an error on some data that gets converted from be32. That's because that data is typed u32 instead of __be32. The type is correct, the be32_to_cpu() conversion is not. Remove the conversion. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312042210.QL4DA8Av-lkp@intel.com/ Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- v2: Use u32 directly, remove be32_to_cpu(). --- drivers/i2c/busses/i2c-cpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)