linux-kernel - Re: [PATCH V4 2/3] soc/tegra: pmc: Correct type of variable for tegra_pmc

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

Message-ID: <572CA704.2060405@nvidia.com>
Date:	Fri, 6 May 2016 15:15:32 +0100
From:	Jon Hunter <jonathanh@...dia.com>
To:	Laxman Dewangan <ldewangan@...dia.com>, <thierry.reding@...il.com>,
	<airlied@...ux.ie>, <swarren@...dotorg.org>, <gnurou@...il.com>
CC:	<dri-devel@...ts.freedesktop.org>, <linux-tegra@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V4 2/3] soc/tegra: pmc: Correct type of variable for
 tegra_pmc_readl()


On 06/05/16 11:45, Laxman Dewangan wrote:
> The function tegra_pmc_readl() returns the u32 type data and hence
> change the data type of variable where this data is stored to u32
> type.
> 
> Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
> 
> ---
> Changes from V1:
> -This is new in series as per discussion on V1 series to use u32 for
> tegra_pmc_readl.
> 
> Changes from V2:
> - Make unsigned long to u32 for some missed variable from V1.
> 
> Changes from V3:
> - Revert back the value to ulong where time calcualtion is done.
> ---
>  drivers/soc/tegra/pmc.c | 16 +++++++++-------
>  1 file changed, 9 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
> index 2c3f1f9..09c2b97 100644
> --- a/drivers/soc/tegra/pmc.c
> +++ b/drivers/soc/tegra/pmc.c
> @@ -875,10 +875,10 @@ static int tegra_io_rail_prepare(unsigned int id, unsigned long *request,
>  	return 0;
>  }
>  
> -static int tegra_io_rail_poll(unsigned long offset, unsigned long mask,
> -			      unsigned long val, unsigned long timeout)
> +static int tegra_io_rail_poll(unsigned long offset, u32 mask,
> +			      u32 val, unsigned long timeout)
>  {
> -	unsigned long value;
> +	u32 value;
>  
>  	timeout = jiffies + msecs_to_jiffies(timeout);
>  
> @@ -900,8 +900,9 @@ static void tegra_io_rail_unprepare(void)
>  
>  int tegra_io_rail_power_on(unsigned int id)
>  {
> -	unsigned long request, status, value;
> -	unsigned int bit, mask;
> +	unsigned long request, status;
> +	unsigned int bit;
> +	u32 value, mask;
>  	int err;
>  
>  	mutex_lock(&pmc->powergates_lock);
> @@ -935,8 +936,9 @@ EXPORT_SYMBOL(tegra_io_rail_power_on);
>  
>  int tegra_io_rail_power_off(unsigned int id)
>  {
> -	unsigned long request, status, value;
> -	unsigned int bit, mask;
> +	unsigned long request, status;
> +	unsigned int bit;
> +	u32 value, mask;
>  	int err;
>  
>  	mutex_lock(&pmc->powergates_lock);
> 

Reviewed-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon