On Wed, 6 Jun 2007 16:04:07 +0200
Hans-Christian Egtvedt <[EMAIL PROTECTED]> wrote:
> This patch adds support for the built in watchdog in AT32AP700X devices.
>
> Tested on AT32AP7000 and ATSTK1000.
>
> Hardware documentation can be found in the AT32AP7000 datasheet.
>
> ...
>
> +static int __init at32_wdt_probe(struct platform_device *pdev)
> +{
> + struct resource *regs;
> + int ret;
> +
> + if (wdt) {
> + dev_dbg(&pdev->dev, "only 1 wdt instance supported.\n");
> + return -EBUSY;
> + }
> +
> + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + if (!regs) {
> + dev_dbg(&pdev->dev, "missing mmio resource\n");
> + return -ENXIO;
> + }
> +
> + wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL);
> + if (!wdt) {
> + dev_dbg(&pdev->dev, "no memory for wdt structure\n");
> + return -ENOMEM;
> + }
> +
> + wdt->regs = ioremap(regs->start, regs->end - regs->start + 1);
I see an ioremap(), but there are no iounmap()s anywhere.
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