Messages in this thread | | | Subject | Re: [PATCH 1/3] i2c: mux: pca9541: use the BIT macro | From | Guenter Roeck <> | Date | Tue, 20 Mar 2018 06:18:51 -0700 |
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On 03/20/2018 02:31 AM, Peter Rosin wrote: > Because it looks nice! > > Signed-off-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> --- > drivers/i2c/muxes/i2c-mux-pca9541.c | 29 +++++++++++++++-------------- > 1 file changed, 15 insertions(+), 14 deletions(-) > > diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c > index 6a39adaf433f..ad168125d23d 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca9541.c > +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c > @@ -16,6 +16,7 @@ > * warranty of any kind, whether express or implied. > */ > > +#include <linux/bitops.h> > #include <linux/delay.h> > #include <linux/device.h> > #include <linux/i2c.h> > @@ -43,20 +44,20 @@ > #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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