| Message ID | 20210924132930.111443-1-krzysztof.kozlowski@canonical.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | watchdog: s3c2410: describe driver in KConfig | expand |
On Fri, Sep 24, 2021 at 03:29:30PM +0200, Krzysztof Kozlowski wrote: > Describe better which driver applies to which SoC, to make configuring > kernel for Samsung SoC easier. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > 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 >
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"
Describe better which driver applies to which SoC, to make configuring kernel for Samsung SoC easier. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> --- drivers/watchdog/Kconfig | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)