Messages in this thread | | | Subject | Re: [PATCH] i2c: muxes: pca9541: use BIT() macro | From | Guenter Roeck <> | Date | Thu, 5 Sep 2019 06:21:06 -0700 |
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On 9/5/19 6:13 AM, Saiyam Doshi wrote: > Use bit mask macro BIT() for definition where appropriate. > > Signed-off-by: Saiyam Doshi <saiyamdoshi.in@gmail.com>
linux/bitops.h should be included when using BIT().
Guenter
> --- > drivers/i2c/muxes/i2c-mux-pca9541.c | 28 ++++++++++++++-------------- > 1 file changed, 14 insertions(+), 14 deletions(-) > > diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c > index 9e75d6b9140b..bd4cf8341a06 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca9541.c > +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c > @@ -43,20 +43,20 @@ > #define PCA9541_CONTROL 0x01 > #define PCA9541_ISTAT 0x02 > > -#define PCA9541_CTL_MYBUS (1 << 0) > -#define PCA9541_CTL_NMYBUS (1 << 1) > -#define PCA9541_CTL_BUSON (1 << 2) > -#define PCA9541_CTL_NBUSON (1 << 3) > -#define PCA9541_CTL_BUSINIT (1 << 4) > -#define PCA9541_CTL_TESTON (1 << 6) > -#define PCA9541_CTL_NTESTON (1 << 7) > - > -#define PCA9541_ISTAT_INTIN (1 << 0) > -#define PCA9541_ISTAT_BUSINIT (1 << 1) > -#define PCA9541_ISTAT_BUSOK (1 << 2) > -#define PCA9541_ISTAT_BUSLOST (1 << 3) > -#define PCA9541_ISTAT_MYTEST (1 << 6) > -#define PCA9541_ISTAT_NMYTEST (1 << 7) > +#define PCA9541_CTL_MYBUS BIT(0) > +#define PCA9541_CTL_NMYBUS BIT(1) > +#define PCA9541_CTL_BUSON BIT(2) > +#define PCA9541_CTL_NBUSON BIT(3) > +#define PCA9541_CTL_BUSINIT BIT(4) > +#define PCA9541_CTL_TESTON BIT(6) > +#define PCA9541_CTL_NTESTON BIT(7) > + > +#define PCA9541_ISTAT_INTIN BIT(0) > +#define PCA9541_ISTAT_BUSINIT BIT(1) > +#define PCA9541_ISTAT_BUSOK BIT(2) > +#define PCA9541_ISTAT_BUSLOST BIT(3) > +#define PCA9541_ISTAT_MYTEST BIT(6) > +#define PCA9541_ISTAT_NMYTEST BIT(7) > > #define BUSON (PCA9541_CTL_BUSON | PCA9541_CTL_NBUSON) > #define MYBUS (PCA9541_CTL_MYBUS | PCA9541_CTL_NMYBUS) >
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