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| author | Alexander Shiyan <shc_work@mail.ru> | 2014-06-13 11:26:13 +0400 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@freescale.com> | 2014-07-18 16:10:13 +0800 |
| commit | 5a6e1502ebb11770bcd76de7b00baff6cf467fc1 (patch) | |
| tree | 414a5a242d98625839dbaeec97ac78ef0cfe5890 /arch/arm/mach-imx/system.c | |
| parent | ce8ad883873abaccca7282e9136694f49d72ab03 (diff) | |
| download | linux-5a6e1502ebb11770bcd76de7b00baff6cf467fc1.tar.gz linux-5a6e1502ebb11770bcd76de7b00baff6cf467fc1.tar.bz2 linux-5a6e1502ebb11770bcd76de7b00baff6cf467fc1.zip | |
ARM: i.MX system: Add a reset fallback if base address of watchdog is not set
This patch adds a reset fallback if base address of watchdog is not set.
This is intended for a targets not compatible with imx-21 watchdog,
i.MX1 for example.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Diffstat (limited to 'arch/arm/mach-imx/system.c')
| -rw-r--r-- | arch/arm/mach-imx/system.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c index 92d11c271222..d14c33fd6b03 100644 --- a/arch/arm/mach-imx/system.c +++ b/arch/arm/mach-imx/system.c @@ -42,6 +42,9 @@ void mxc_restart(enum reboot_mode mode, const char *cmd) { unsigned int wcr_enable; + if (!wdog_base) + goto reset_fallback; + if (!IS_ERR(wdog_clk)) clk_enable(wdog_clk); @@ -70,6 +73,7 @@ void mxc_restart(enum reboot_mode mode, const char *cmd) /* delay to allow the serial port to show the message */ mdelay(50); +reset_fallback: /* we'll take a jump through zero as a poor second */ soft_restart(0); } |