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watchdog: MIPS: lantiq: implement OF support and minor fixes

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Add support for OF. We also apply the following small fixes
* reduce boiler plate by using devm_request_and_ioremap
* sane error path for the clock
* move LTQ_RST_CAUSE_WDTRST to a soc specific header file
* add a message to show that the driver loaded

Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3810/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
John Crispin
2012-04-12 21:21:56 +02:00
committed by Ralf Baechle
parent ceff2676b0
commit cdb8612147
3 changed files with 27 additions and 32 deletions
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arch/mips/include/asm/mach-lantiq/lantiq.h
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@@ -49,7 +49,6 @@ extern struct clk *clk_get_io(void);
extern unsigned char ltq_boot_select(void);
/* find out what caused the last cpu reset */
extern int ltq_reset_cause(void);
#define LTQ_RST_CAUSE_WDTRST 0x20
#define IOPORT_RESOURCE_START 0x10000000
#define IOPORT_RESOURCE_END 0xffffffff