linux-kernel - Re: [PATCH 0/3] staging: media: Replace a bit shift.

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Date:   Thu, 23 Mar 2017 07:46:30 +0100
From:   Chris Moore <moore@...e.fr>
To:     Arushi Singhal <arushisinghal19971997@...il.com>,
        outreachy-kernel@...glegroups.com
Cc:     linux-media@...r.kernel.org, gregkh@...uxfoundation.org,
        mchehab@...nel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] staging: media: Replace a bit shift.

Hi,

Le 22/03/2017 à 05:26, Arushi Singhal a écrit :
> Replace a bit shift by a use of BIT in media driver.
>
> Arushi Singhal (3):
>    staging: media: Replace a bit shift by a use of BIT.
>    staging: media: davinci_vpfe: Replace a bit shift by a use of BIT.
>    staging: media: omap4iss: Replace a bit shift by a use of BIT.
>
>   .../media/atomisp/pci/atomisp2/atomisp_cmd.c       | 12 +++++-----
>   .../atomisp/pci/atomisp2/atomisp_compat_css20.c    |  6 ++---
>   .../media/atomisp/pci/atomisp2/atomisp_drvfs.c     |  6 ++---
>   .../media/atomisp/pci/atomisp2/atomisp_v4l2.c      | 18 +++++++--------
>   .../media/atomisp/pci/atomisp2/hmm/hmm_bo.c        |  2 +-
>   drivers/staging/media/davinci_vpfe/dm365_ipipe.c   |  2 +-
>   drivers/staging/media/davinci_vpfe/dm365_ipipeif.c |  2 +-
>   drivers/staging/media/davinci_vpfe/dm365_isif.c    | 26 +++++++++++-----------
>   drivers/staging/media/davinci_vpfe/dm365_resizer.c |  6 ++---
>   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 +-
>   13 files changed, 44 insertions(+), 44 deletions(-)
>

Most of these replacements add redundant parentheses around the BIT macro.
IMHO this makes the code less readable.
So I suggest (BIT(c)) -> BIT(c).

Cheers,
Chris