linux-kernel - Re: [PATCH v2 1/1] pinctrl: intel: Show the GPIO base calculation explicitly

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <YEZdKLY2loUg66Ti@smile.fi.intel.com>
Date:   Mon, 8 Mar 2021 19:21:44 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>, stable@...r.kernel.org,
        Maximilian Luz <luzmaximilian@...il.com>
Subject: Re: [PATCH v2 1/1] pinctrl: intel: Show the GPIO base calculation
 explicitly

On Mon, Mar 08, 2021 at 07:08:42PM +0200, Andy Shevchenko wrote:
> During the split of intel_pinctrl_add_padgroups(), the _by_size() variant
> missed the GPIO base calculations and hence made unable to retrieve proper
> GPIO number.
> 
> Assign the gpio_base explicitly in _by_size() variant.
> 
> While at it, differentiate NOMAP case with the rest in _by_gpps() variant.

Meanwhile pushed to my review and testing queue, thanks!

> Fixes: 036e126c72eb ("pinctrl: intel: Split intel_pinctrl_add_padgroups() for better maintenance")
> Reported-and-tested-by: Maximilian Luz <luzmaximilian@...il.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Acked-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> ---
> v2: added tag and Cc'ed to stable@ (Mika)
>  drivers/pinctrl/intel/pinctrl-intel.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
> index 8085782cd8f9..7283203861ae 100644
> --- a/drivers/pinctrl/intel/pinctrl-intel.c
> +++ b/drivers/pinctrl/intel/pinctrl-intel.c
> @@ -1357,6 +1357,7 @@ static int intel_pinctrl_add_padgroups_by_gpps(struct intel_pinctrl *pctrl,
>  				gpps[i].gpio_base = 0;
>  				break;
>  			case INTEL_GPIO_BASE_NOMAP:
> +				break;
>  			default:
>  				break;
>  		}
> @@ -1393,6 +1394,7 @@ static int intel_pinctrl_add_padgroups_by_size(struct intel_pinctrl *pctrl,
>  		gpps[i].size = min(gpp_size, npins);
>  		npins -= gpps[i].size;
>  
> +		gpps[i].gpio_base = gpps[i].base;
>  		gpps[i].padown_num = padown_num;
>  
>  		/*
> -- 
> 2.30.1
> 

-- 
With Best Regards,
Andy Shevchenko