Re: [PATCH] watchdog: twl4030_wdt: Watchdog device registration issue fix

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Hello All,

Any comments on this patch?

Regards,
Keerthy

On Wed, Mar 2, 2011 at 2:17 AM, Keerthy <j-keerthy@xxxxxx> wrote:
> twl4030_wdt driver and omap_wdt driver are registering as misc_device name as
> "watchdog" and the same minor number WATCHDOG_MINOR( value = 130).
> There is a conflict since the name and minor were the same for
> both the misc_device registered by omap_wdt.c as well as twl4030_wdt.c
>
> The omap_wdt.c probe is getting called first. Hence it succeeds.
> twl4030_wdt.c always failed on the minor number comparison check.
> Now requesting for MISC_DYNAMIC_MINOR as the minor
> number for twl4030_watchdog and renamed the device name as
> "twl4030_watchdog".
>
> Tested for basic boot up on OMAP4 Blaze and OMAP3630 SDP. OMAP3630 SDP
> twl4030_wdt registration succeeds.2430SDP boot tested, watchdog registration
> without errors.
>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
>  drivers/watchdog/twl4030_wdt.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/watchdog/twl4030_wdt.c b/drivers/watchdog/twl4030_wdt.c
> index b5045ca..89bf78d 100644
> --- a/drivers/watchdog/twl4030_wdt.c
> +++ b/drivers/watchdog/twl4030_wdt.c
> @@ -183,8 +183,8 @@ static int __devinit twl4030_wdt_probe(struct platform_device *pdev)
>        wdt->timer_margin       = 30;
>        wdt->miscdev.parent     = &pdev->dev;
>        wdt->miscdev.fops       = &twl4030_wdt_fops;
> -       wdt->miscdev.minor      = WATCHDOG_MINOR;
> -       wdt->miscdev.name       = "watchdog";
> +       wdt->miscdev.minor      = MISC_DYNAMIC_MINOR;
> +       wdt->miscdev.name       = "twl4030_watchdog";
>
>        platform_set_drvdata(pdev, wdt);
>
> --
> 1.7.0.4
>
>
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