Messages in this thread | | | Date | Wed, 30 May 2012 11:18:09 +0800 | From | Xiao Jiang <> | Subject | Re: [PATCH 3/3] watchdog: omap_wdt: add device tree support |
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Jon Hunter wrote: > On 05/25/2012 05:42 AM, jgq516@gmail.com wrote: > >> From: Xiao Jiang <jgq516@gmail.com> >> >> Add device table for omap_wdt to support dt. >> >> Signed-off-by: Xiao Jiang <jgq516@gmail.com> >> --- >> 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; > > Will add it in v2, thanks for suggestion.
Regards, Xiao > Cheers > Jon >
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