linux-kernel - Re: [PATCH 1/2] staging: gasket: Fix 4 over 80 char warnings

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Message-ID: <20200403083225.GX2001@kadam>
Date:   Fri, 3 Apr 2020 11:32:25 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     "John B. Wyatt IV" <jbwyatt4@...il.com>
Cc:     outreachy-kernel@...glegroups.com,
        Rob Springer <rspringer@...gle.com>,
        Todd Poynor <toddpoynor@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] staging: gasket: Fix 4 over 80 char warnings

On Wed, Apr 01, 2020 at 10:36:16PM -0700, John B. Wyatt IV wrote:
> Fix 4 over 80 char warnings by caching long enum values into local
> variables.
> 
> All enums are only used once inside each function (and once inside
> the entire file).
> 
> Reported by checkpatch.
> 
> Signed-off-by: John B. Wyatt IV <jbwyatt4@...il.com>
> ---
>  drivers/staging/gasket/apex_driver.c | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
> index 46199c8ca441..f48209ec7d24 100644
> --- a/drivers/staging/gasket/apex_driver.c
> +++ b/drivers/staging/gasket/apex_driver.c
> @@ -253,6 +253,8 @@ static int apex_get_status(struct gasket_dev *gasket_dev)
>  /* Enter GCB reset state. */
>  static int apex_enter_reset(struct gasket_dev *gasket_dev)
>  {
> +	int idle_gen_reg = APEX_BAR2_REG_IDLEGENERATOR_IDLEGEN_IDLEREGISTER;
> +

Sorry, but I also hate these where we have a one time use temporary
variable to get around the 80 character rule.  Generally, avoid pointless
indirection.  The original code is better.

regards,
dan carpenter