linux-kernel - Re: [PATCH v1] watchdog: intel-mid_wdt: add MODULE

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Date:   Fri, 11 Aug 2023 05:20:23 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Raag Jadav <raag.jadav@...el.com>, wim@...ux-watchdog.org,
        mika.westerberg@...ux.intel.com, andriy.shevchenko@...ux.intel.com
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        mallikarjunappa.sangannavar@...el.com, pandith.n@...el.com
Subject: Re: [PATCH v1] watchdog: intel-mid_wdt: add MODULE_ALIAS() to allow
 auto-load

On 8/11/23 05:02, Raag Jadav wrote:
> When built with CONFIG_INTEL_MID_WATCHDOG=m, currently the driver
> needs to be loaded manually, for the lack of module alias.
> This causes unintended resets in cases where watchdog timer is
> set-up by bootloader and the driver is not explicitly loaded.
> Add MODULE_ALIAS() to load the driver automatically at boot and
> avoid this issue.
> 
> Fixes: 87a1ef8058d9 ("watchdog: add Intel MID watchdog driver support")
> Signed-off-by: Raag Jadav <raag.jadav@...el.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>   drivers/watchdog/intel-mid_wdt.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/watchdog/intel-mid_wdt.c b/drivers/watchdog/intel-mid_wdt.c
> index 9b2173f765c8..fb7fae750181 100644
> --- a/drivers/watchdog/intel-mid_wdt.c
> +++ b/drivers/watchdog/intel-mid_wdt.c
> @@ -203,3 +203,4 @@ module_platform_driver(mid_wdt_driver);
>   MODULE_AUTHOR("David Cohen <david.a.cohen@...ux.intel.com>");
>   MODULE_DESCRIPTION("Watchdog Driver for Intel MID platform");
>   MODULE_LICENSE("GPL");
> +MODULE_ALIAS("platform:intel_mid_wdt");