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rk: clock: dump cru register when panic

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黄涛
2013-06-03 15:44:48 +08:00
parent 9b82de9983
commit 6d5423ef13
1 changed files with 22 additions and 0 deletions
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22
arch/arm/plat-rk/clock.c
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@@ -765,3 +765,25 @@ static int __init clk_proc_init(void)
late_initcall(clk_proc_init);
#endif /* CONFIG_RK_CLOCK_PROC */
static int clk_panic(struct notifier_block *this, unsigned long ev, void *ptr)
{
#ifdef RK30_CRU_BASE
#define CRU_BASE RK30_CRU_BASE
#elif defined(RK2928_CRU_BASE)
#define CRU_BASE RK2928_CRU_BASE
#endif
#ifdef CRU_BASE
print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_ADDRESS, 16, 4, CRU_BASE, 0x150, false);
#endif
return NOTIFY_DONE;
}
static struct notifier_block clk_panic_block = {
.notifier_call = clk_panic,
};
static int __init clk_panic_init(void)
{
return atomic_notifier_chain_register(&panic_notifier_list, &clk_panic_block);
}
pure_initcall(clk_panic_init);