lkml.org 
[lkml]   [2011]   [May]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/4] pinmux: add a driver for the U300 pinmux
On Mon, May 02, 2011 at 09:16:38PM +0200, Linus Walleij wrote:
[]
> +
> +static int __init u300_pmx_probe(struct platform_device *pdev)
> +{
[]
> + upmx->phybase = res->start;
> + upmx->physize = resource_size(res);
> +
> + if (request_mem_region(upmx->phybase, upmx->physize,
> + DRIVER_NAME) == NULL) {
> + ret = -EBUSY;
> + goto out_no_memregion;
> + }
> +
> + upmx->virtbase = ioremap(upmx->phybase, upmx->physize);
> + if (!upmx->virtbase) {
> + ret = -ENOMEM;
> + goto out_no_remap;
> + }
> +
> + upmx->pmx = pinmux_register(&u300_pmx_desc, &pdev->dev, upmx);
> + if (IS_ERR(upmx->pmx)) {
> + ret = PTR_ERR(upmx->pmx);
> + goto out_no_pmx;
> + }
> + platform_set_drvdata(pdev, upmx);
> +
> + dev_info(&pdev->dev, "initialized U300 pinmux driver\n");
> +
> + return 0;
> +
> +out_no_pmx:
> + iounmap(upmx->virtbase);
> +out_no_remap:
> + platform_set_drvdata(pdev, NULL);
> +out_no_memregion:
> + release_mem_region(upmx->phybase, SZ_4K);

release_mem_region(upmx->phybase, upmx->physize); ?

--
joshc


\
 
 \ /
  Last update: 2011-05-11 04:25    [W:0.134 / U:1.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site