[PATCH v6 2/3] reset: mchp: sparx5: add switch reset driver
Steen Hegelund
steen.hegelund at microchip.com
Fri Feb 26 03:02:52 EST 2021
Hi Alex,
On Thu, 2021-02-25 at 21:40 +0100, Alexandre Belloni wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you
> know the content is safe
>
> Hello,
>
> >
...
> > +static int mchp_sparx5_map_io(struct platform_device *pdev, char
> > *name,
> > + struct regmap **target)
> > +{
> > + struct resource *res;
> > + struct regmap *map;
> > + void __iomem *mem;
> > +
> > + res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
> > name);
> > + if (!res) {
> > + dev_err(&pdev->dev, "No '%s' resource\n", name);
> > + return -ENODEV;
> > + }
> > + mem = devm_ioremap(&pdev->dev, res->start, res->end - res-
> > >start + 1);
> > + if (!mem) {
> > + dev_err(&pdev->dev, "Could not map '%s' resource\n",
> > name);
> > + return -ENXIO;
> > + }
>
> Someone is going to tell you to use
> devm_platform_get_and_ioremap_resource so it may as well be me ;)
Very nice.
Thanks for the info. I will use that instead.
>
> --
> Alexandre Belloni, co-owner and COO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
--
BR
Steen
-=-=-=-=-=-=-=-=-=-=-=-=-=-=
steen.hegelund at microchip.com
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