Messages in this thread Patch in this message | | | Date | Fri, 28 Apr 2017 12:33:47 +0200 | From | "" <> | Subject | Re: [PATCH] staging: sm750fb: Combine set GPIO 30 & 31 into one statement |
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On Tue, Apr 25, 2017 at 03:53:02PM +0000, Lynn Lei wrote: > Combine two separate set GPIO(30 & 31) operations into one statement.
Why?
> > Signed-off-by: Lynn Lei <lynnl.jr@outlook.com> > --- > drivers/staging/sm750fb/ddk750_hwi2c.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/staging/sm750fb/ddk750_hwi2c.c b/drivers/staging/sm750fb/ddk750_hwi2c.c > index 68716ef7cb06..ddb7a6dc265a 100644 > --- a/drivers/staging/sm750fb/ddk750_hwi2c.c > +++ b/drivers/staging/sm750fb/ddk750_hwi2c.c > @@ -49,8 +49,7 @@ void sm750_hw_i2c_close(void) > > /* Set GPIO 30 & 31 back as GPIO pins */ > value = peek32(GPIO_MUX); > - value &= ~GPIO_MUX_30; > - value &= ~GPIO_MUX_31; > + value &= ~(GPIO_MUX_30 | GPIO_MUX_31);
Why does this matter?
thanks,
greg k-h
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