Re: [PATCH v2] staging: media: omap4iss: Replace a bit shift by a use of BIT.

From: Mauro Carvalho Chehab
Date: Sun Mar 26 2017 - 14:26:34 EST


Em Sun, 26 Mar 2017 20:57:02 +0300
Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> escreveu:

> Hi Arushi,
>
> Thank you for the patch.
>
> On Friday 24 Mar 2017 21:31:45 Arushi Singhal wrote:
> > This patch replaces bit shifting on 1 with the BIT(x) macro.
> > This was done with coccinelle:
> > @@
> > constant c;
> > @@
> >
> > -1 << c
> > +BIT(c)
> >
> > Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
>
> Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
> Greg, as this is a staging driver, do you want to merge the patch through your
> tree ?

As this is at staging/media, better to merge via my tree.

Regards,
Mauro

>
> > ---
> > changes in v2
> > -Remove unnecessary parenthesis
> >
> > drivers/staging/media/omap4iss/iss_csi2.c | 2 +-
> > drivers/staging/media/omap4iss/iss_ipipe.c | 2 +-
> > drivers/staging/media/omap4iss/iss_ipipeif.c | 2 +-
> > drivers/staging/media/omap4iss/iss_resizer.c | 2 +-
> > 4 files changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/staging/media/omap4iss/iss_csi2.c
> > b/drivers/staging/media/omap4iss/iss_csi2.c index
> > f71d5f2f179f..f6acc541e8a2 100644
> > --- a/drivers/staging/media/omap4iss/iss_csi2.c
> > +++ b/drivers/staging/media/omap4iss/iss_csi2.c
> > @@ -1268,7 +1268,7 @@ static int csi2_init_entities(struct iss_csi2_device
> > *csi2, const char *subname) snprintf(name, sizeof(name), "CSI2%s",
> > subname);
> > snprintf(sd->name, sizeof(sd->name), "OMAP4 ISS %s", name);
> >
> > - sd->grp_id = 1 << 16; /* group ID for iss subdevs */
> > + sd->grp_id = BIT(16); /* group ID for iss subdevs */
> > v4l2_set_subdevdata(sd, csi2);
> > sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> >
> > diff --git a/drivers/staging/media/omap4iss/iss_ipipe.c
> > b/drivers/staging/media/omap4iss/iss_ipipe.c index
> > d38782e8e84c..d86ef8a031f2 100644
> > --- a/drivers/staging/media/omap4iss/iss_ipipe.c
> > +++ b/drivers/staging/media/omap4iss/iss_ipipe.c
> > @@ -508,7 +508,7 @@ static int ipipe_init_entities(struct iss_ipipe_device
> > *ipipe) v4l2_subdev_init(sd, &ipipe_v4l2_ops);
> > sd->internal_ops = &ipipe_v4l2_internal_ops;
> > strlcpy(sd->name, "OMAP4 ISS ISP IPIPE", sizeof(sd->name));
> > - sd->grp_id = 1 << 16; /* group ID for iss subdevs */
> > + sd->grp_id = BIT(16); /* group ID for iss subdevs */
> > v4l2_set_subdevdata(sd, ipipe);
> > sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> >
> > diff --git a/drivers/staging/media/omap4iss/iss_ipipeif.c
> > b/drivers/staging/media/omap4iss/iss_ipipeif.c index
> > 23de8330731d..cb88b2bd0d82 100644
> > --- a/drivers/staging/media/omap4iss/iss_ipipeif.c
> > +++ b/drivers/staging/media/omap4iss/iss_ipipeif.c
> > @@ -739,7 +739,7 @@ static int ipipeif_init_entities(struct
> > iss_ipipeif_device *ipipeif) v4l2_subdev_init(sd, &ipipeif_v4l2_ops);
> > sd->internal_ops = &ipipeif_v4l2_internal_ops;
> > strlcpy(sd->name, "OMAP4 ISS ISP IPIPEIF", sizeof(sd->name));
> > - sd->grp_id = 1 << 16; /* group ID for iss subdevs */
> > + sd->grp_id = BIT(16); /* group ID for iss subdevs */
> > v4l2_set_subdevdata(sd, ipipeif);
> > sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> >
> > diff --git a/drivers/staging/media/omap4iss/iss_resizer.c
> > b/drivers/staging/media/omap4iss/iss_resizer.c index
> > f1d352c711d5..4bbfa20b3c38 100644
> > --- a/drivers/staging/media/omap4iss/iss_resizer.c
> > +++ b/drivers/staging/media/omap4iss/iss_resizer.c
> > @@ -782,7 +782,7 @@ static int resizer_init_entities(struct
> > iss_resizer_device *resizer) v4l2_subdev_init(sd, &resizer_v4l2_ops);
> > sd->internal_ops = &resizer_v4l2_internal_ops;
> > strlcpy(sd->name, "OMAP4 ISS ISP resizer", sizeof(sd->name));
> > - sd->grp_id = 1 << 16; /* group ID for iss subdevs */
> > + sd->grp_id = BIT(16); /* group ID for iss subdevs */
> > v4l2_set_subdevdata(sd, resizer);
> > sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
>



Thanks,
Mauro