[PATCH] watchdog: mpc8xx: Revert the 8xx watchdog back to CONFIG_HW_WATCHDOG

[Tom Rini]

On Thu, Feb 20, 2020 at 07:39:51AM +0000, Christophe Leroy wrote:

> Commit f3729ba6e7b2 ("watchdog: mpc8xx_wdt: Watchdog driver and macros
> cleanup") switched the watchdog to CONFIG_WATCHDOG. But this is not
> compatible with the 8xx because it starts the watchdog HW timer at
> reset and must be serviced from the very beginning including while
> U-boot is executed in the firmware before relocation in RAM.
> 
> Select CONFIG_HW_WATCHDOG and make hw_watchdog_reset() visible.
> 
> Meanwhile, finalise the cleanup of arch/powerpc/cpu/mpc8xx/Kconfig by
> removing the lines put in comment in that commit, and also remove
> again the selection of CONFIG_MPC8xx_WATCHDOG which was removed by
> that commit and brought back by mistake by commit b3134ffbd944
> ("watchdog: Kconfig: Sort entry alphabetically")
> 
> Note that there was an 'imply WATCHDOG' in the original commit but
> it disappeared in the Kconfig alphabetical sorting, so no need to
> remove it here.
> 
> Fixes: f3729ba6e7b2 ("watchdog: mpc8xx_wdt: Watchdog driver and macros cleanup")
> Fixes: b3134ffbd944 ("watchdog: Kconfig: Sort entry alphabetically")
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
> Cc: Stefan Roese <sr at denx.de>
> Cc: Patrice Chotard <patrice.chotard at st.com>
> Reviewed-by: Stefan Roese <sr at denx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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