Re: [PATCH] staging: atomisp: gc0310: constify acpi_device_id.

From: Sakari Ailus
Date: Sat Jul 08 2017 - 18:34:52 EST


On Fri, Jul 07, 2017 at 11:47:43AM +0100, Alan Cox wrote:
> On Thu, 2017-07-06 at 21:50 +0530, Arvind Yadav wrote:
> > acpi_device_id are not supposed to change at runtime. All functions
> > working with acpi_device_id provided by <acpi/acpi_bus.h> work with
> > const acpi_device_id. So mark the non-const structs as const.
> >
> > File size before:
> >    text    data     bss     dec     hex
> > filename
> >   10297    1888       0   12185    2f99
> > drivers/staging/media/atomisp/i2c/gc0310.o
> >
> > File size After adding 'const':
> >    text    data     bss     dec     hex
> > filename
> >   10361    1824       0   12185    2f99
> > drivers/staging/media/atomisp/i2c/gc0310.o
> >
> > Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> > ---
> >  drivers/staging/media/atomisp/i2c/gc0310.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/media/atomisp/i2c/gc0310.c
> > b/drivers/staging/media/atomisp/i2c/gc0310.c
> > index 1ec616a..c8162bb 100644
> > --- a/drivers/staging/media/atomisp/i2c/gc0310.c
> > +++ b/drivers/staging/media/atomisp/i2c/gc0310.c
> > @@ -1453,7 +1453,7 @@ static int gc0310_probe(struct i2c_client
> > *client,
> >   return ret;
> >  }
> >  
> > -static struct acpi_device_id gc0310_acpi_match[] = {
> > +static const struct acpi_device_id gc0310_acpi_match[] = {
> >   {"XXGC0310"},
> >   {},
> >  };
>
> (All four)
>
> Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>

There's four more... I've applied all to my atomisp branch.

Arvind: please send the patches as a single set next time.

--
Regards,

Sakari Ailus
e-mail: sakari.ailus@xxxxxx XMPP: sailus@xxxxxxxxxxxxxx