add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/sparc/kernel/smp_32.c
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@@ -29,8 +29,6 @@
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 #include <asm/irq.h>
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 #include <asm/page.h>
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-#include <asm/pgalloc.h>
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-#include <asm/pgtable.h>
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 #include <asm/oplib.h>
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 #include <asm/cacheflush.h>
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 #include <asm/tlbflush.h>
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@@ -350,7 +348,6 @@
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 	 */
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 	arch_cpu_pre_starting(arg);
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-	preempt_disable();
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 	cpu = smp_processor_id();
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 	notify_cpu_starting(cpu);