From 7fbd42f5afc4425ac137b06f46062483f9809327 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 2 Apr 2019 10:57:18 +0200 Subject: [PATCH] watchdog: Handle SPL build with watchdog disabled MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds some checks, so that the watchdog can be enabled in main U-Boot proper but can be disabled in SPL. This will be used by some AT91SAM based boards, which might enable the watchdog in the main U-Boot proper and not in SPL. It will be enabled in SPL by default there, so no need to configure it there. This approach saves some space in SPL. Signed-off-by: Stefan Roese Cc: Heiko Schocher Cc: Andreas Bießmann Cc: Eugen Hristev Reviewed-by: Heiko Schocher Tested on the taurus board: Tested-by: Heiko Schocher --- include/watchdog.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/include/watchdog.h b/include/watchdog.h index 14073cfdd2..3a357de903 100644 --- a/include/watchdog.h +++ b/include/watchdog.h @@ -51,9 +51,15 @@ int init_func_watchdog_reset(void); #if defined(__ASSEMBLY__) #define WATCHDOG_RESET bl watchdog_reset #else - extern void watchdog_reset(void); + /* Don't require the watchdog to be enabled in SPL */ + #if defined(CONFIG_SPL_BUILD) && \ + !defined(CONFIG_SPL_WATCHDOG_SUPPORT) + #define WATCHDOG_RESET() {} + #else + extern void watchdog_reset(void); - #define WATCHDOG_RESET watchdog_reset + #define WATCHDOG_RESET watchdog_reset + #endif #endif #else /*