On 05/25/2012 05:42 AM, jgq516@xxxxxxxxx wrote:
> From: Xiao Jiang <jgq516@xxxxxxxxx>
>
> Add device table for omap_wdt to support dt.
>
> Signed-off-by: Xiao Jiang <jgq516@xxxxxxxxx>
> ---
> drivers/watchdog/omap_wdt.c | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
> index 8285d65..d98c615 100644
> --- a/drivers/watchdog/omap_wdt.c
> +++ b/drivers/watchdog/omap_wdt.c
> @@ -430,6 +430,13 @@ static int omap_wdt_resume(struct platform_device *pdev)
> #define omap_wdt_resume NULL
> #endif
>
> +static const struct of_device_id omap_wdt_of_match[] = {
> + { .compatible = "ti,omap3-wdt", },
> + { .compatible = "ti,omap4-wdt", },
> + {},
> +};
> +MODULE_DEVICE_TABLE(of, omap_wdt_of_match);
> +
> static struct platform_driver omap_wdt_driver = {
> .probe = omap_wdt_probe,
> .remove = __devexit_p(omap_wdt_remove),
> @@ -439,6 +446,7 @@ static struct platform_driver omap_wdt_driver = {
> .driver = {
> .owner = THIS_MODULE,
> .name = "omap_wdt",
> + .of_match_table = omap_wdt_of_match,
> },
> };
>
I think we need to add some code to the probe function that calls
of_match_device() and ensures we find a match. For example ...
if (of_have_populated_dt())
if (!of_match_device(omap_wdt_of_match, &pdev->dev))
return -EINVAL;
Cheers
Jon
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