From: Krzysztof Kozlowski Date: Fri, 24 Sep 2021 13:29:30 +0000 (+0200) Subject: watchdog: s3c2410: describe driver in KConfig X-Git-Tag: v5.16-rc1~70^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=981785da79f0bfecdd328f49e6473c232e3a6bdb;p=thirdparty%2Flinux.git 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 Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20210924132930.111443-1-krzysztof.kozlowski@canonical.com Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index f28fdae3c5b46..0fab8230b663f 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"