add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/alpha/kernel/sys_ruffian.c
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@@ -23,7 +23,6 @@
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 #include <asm/irq.h>
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 #include <asm/mmu_context.h>
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 #include <asm/io.h>
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-#include <asm/pgtable.h>
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 #include <asm/core_cia.h>
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 #include <asm/tlbflush.h>
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@@ -82,7 +81,8 @@
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 	outb(0x31, 0x42);
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 	outb(0x13, 0x42);
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-	setup_irq(0, &timer_irqaction);
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+	if (request_irq(0, rtc_timer_interrupt, 0, "timer", NULL))
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+		pr_err("Failed to request irq 0 (timer)\n");
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 }
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 static void