linux-kernel - Re: [PATCH RESEND v8 02/10] watchdog: rzg2l

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Date: Wed, 10 Apr 2024 09:39:16 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: wim@...ux-watchdog.org, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, p.zabel@...gutronix.de,
	geert+renesas@...der.be, magnus.damm@...il.com,
	biju.das.jz@...renesas.com, linux-watchdog@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	kernel test robot <lkp@...el.com>
Subject: Re: [PATCH RESEND v8 02/10] watchdog: rzg2l_wdt: Make the driver
 depend on PM

On Wed, Apr 10, 2024 at 04:40:36PM +0300, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> The rzg2l_wdt watchdog driver cannot work w/o CONFIG_PM=y (e.g. the
> clocks are enabled though pm_runtime_* specific APIs). To avoid building
> a driver that doesn't work make explicit the dependency on CONFIG_PM.
> 
> Suggested-by: Guenter Roeck <linux@...ck-us.net>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

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

> ---
> 
> Changes in v8:
> - collected tags
> 
> Changes in v7:
> - updated the dependency to PM || COMPILE_TEST to be able to
>   compile-test the driver when compiling for a
>   !(ARCH_RZG2L || ARCH_R9A09G011) platform and CONFIG_PM is disabled
> 
> Changes in v6:
> - update patch description
> - fixed the dependency on COMPILE_TEST previously introduced
> 
> Changes in v5:
> - updated patch description
> - added on a new line the dependency on PM and COMPILE_TEST
> 
> Changes in v4:
> - s/ARCH_RENESAS/ARCH_RZG2L || ARCH_R9A09G011 due to patch 1/9
> 
> Changes in v3:
> - make driver depend on PM; with that the "unmet direct dependency"
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/linux-devicetree/202402020445.TOBlFPcS-lkp@intel.com
>   was also fixed
> - adapt commit message
> 
> Changes in v2:
> - this patch is new
> 
>  drivers/watchdog/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index e2439967417a..7b66fe06ac85 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -921,6 +921,7 @@ config RENESAS_RZN1WDT
>  config RENESAS_RZG2LWDT
>  	tristate "Renesas RZ/G2L WDT Watchdog"
>  	depends on ARCH_RZG2L || ARCH_R9A09G011 || COMPILE_TEST
> +	depends on PM || COMPILE_TEST
>  	select WATCHDOG_CORE
>  	help
>  	  This driver adds watchdog support for the integrated watchdogs in the
> -- 
> 2.39.2
>