[PATCH 2/7] mfd: syscon: Don't call request_iomem_region()

[Sascha Hauer]

Alexander,

Applying 1/7 and this one should make clps711x work again, right?

Sascha

On Wed, Jul 13, 2016 at 11:11:00PM -0700, Andrey Smirnov wrote:
> On platforms that mix dedicated IP block register space with
> miscellaneous registers it is necessary to share register window between
> syscon and dedicated IP block driver. Calling request_iomem_region()
> implies exclusive ownership of the region, which, in the case above
> could not happen.
> 
> This change also makes this driver's behaviour to that of its Linux
> kernel counterpart.
> 
> Suggested-by: Sascha Hauer <s.hauer at pengutronix.de>
> Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
> ---
>  drivers/mfd/syscon.c | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
> index 9589a03..ac46122 100644
> --- a/drivers/mfd/syscon.c
> +++ b/drivers/mfd/syscon.c
> @@ -76,12 +76,6 @@ static int syscon_probe(struct device_d *dev)
>  		return PTR_ERR(res);
>  	}
>  
> -	res = request_iomem_region(dev_name(dev), res->start, res->end);
> -	if (IS_ERR(res)) {
> -		free(syscon);
> -		return PTR_ERR(res);
> -	}
> -
>  	syscon->base = (void __iomem *)res->start;
>  	dev->priv = syscon;
>  
> -- 
> 2.5.5
> 
> 
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