linux-kernel - [PATCH] watchdog: s3c2410: describe driver in KConfig

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Message-Id: <20210924132930.111443-1-krzysztof.kozlowski@canonical.com>
Date:   Fri, 24 Sep 2021 15:29:30 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-watchdog@...r.kernel.org
Subject: [PATCH] watchdog: s3c2410: describe driver in KConfig

Describe better which driver applies to which SoC, to make configuring
kernel for Samsung SoC easier.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 drivers/watchdog/Kconfig | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b81fe4f7d434..75591ba261e2 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -496,16 +496,18 @@ config S3C2410_WATCHDOG
 	select WATCHDOG_CORE
 	select MFD_SYSCON if ARCH_EXYNOS
 	help
-	  Watchdog timer block in the Samsung SoCs. This will reboot
-	  the system when the timer expires with the watchdog enabled.
+	  Watchdog timer block in the Samsung S3C24xx, S3C64xx, S5Pv210 and
+	  Exynos SoCs. This will reboot the system when the timer expires with
+	  the watchdog enabled.
 
 	  The driver is limited by the speed of the system's PCLK
 	  signal, so with reasonably fast systems (PCLK around 50-66MHz)
 	  then watchdog intervals of over approximately 20seconds are
 	  unavailable.
 
+	  Choose Y/M here only if you build for such Samsung SoC.
 	  The driver can be built as a module by choosing M, and will
-	  be called s3c2410_wdt
+	  be called s3c2410_wdt.
 
 config SA1100_WATCHDOG
 	tristate "SA1100/PXA2xx watchdog"
-- 
2.30.2