linux-kernel - [PATCH v8 02/10] watchdog: rzg2l_wdt: Make the driver depend on PM

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Date: Wed, 28 Feb 2024 10:32:45 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: wim@...ux-watchdog.org,
	linux@...ck-us.net,
	robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	p.zabel@...gutronix.de,
	geert+renesas@...der.be,
	magnus.damm@...il.com,
	biju.das.jz@...renesas.com
Cc: linux-watchdog@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	claudiu.beznea@...on.dev,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v8 02/10] watchdog: rzg2l_wdt: Make the driver depend on PM

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>
---

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>
  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 bdd1527bb916..cd2e29da7a54 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -922,6 +922,7 @@ 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