On 2015年05月22日 23:01, Guenter Roeck wrote:
On Fri, May 22, 2015 at 04:55:04PM +0200, Arnd Bergmann wrote:
On Friday 22 May 2015 22:50:30 Hanjun Guo wrote:
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index e5e7c55..25a0df1 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -152,6 +152,18 @@ config ARM_SP805_WATCHDOG
ARM Primecell SP805 Watchdog timer. This will reboot your system when
the timeout is reached.
+config ARM_SBSA_WATCHDOG
+ tristate "ARM SBSA Generic Watchdog"
+ depends on ARM || ARM64 || COMPILE_TEST
SBSA is for ARMv8-A based (64-bit) servers, no need to depends on ARM,
and why we depends on COMPILE_TEST?
I think it's a reasonable assumption that someone will sooner or later
put that hardware into an ARM32 machine, or run a 32-bit kernel on
a chip that has it.
While SBSA requires this watchdog device, nothing prevents SoC
manufacturers from using the same design in something that is not
a server.
From this point of view, I agree that SBSA watchdog design may used
in other ARM SoCs in the future, but how about add it back when this
kind of hardware showing up?
Tricky, though. Since teh driver uses arm specific clock functions,
I don't think this can compile on a non-arm machine.
Since it depends on ARM64/ARM, we can temporary release from that now :)
Thanks
Hanjun
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