add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/mips/kernel/rtlx-mt.c
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@@ -51,11 +51,6 @@
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 	return IRQ_HANDLED;
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 }
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-static struct irqaction rtlx_irq = {
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-	.handler	= rtlx_interrupt,
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-	.name		= "RTLX",
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-};
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-
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 static int rtlx_irq_num = MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ;
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 void _interrupt_sp(void)
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@@ -124,8 +119,7 @@
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 		goto out_class;
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 	}
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-	rtlx_irq.dev_id = rtlx;
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-	err = setup_irq(rtlx_irq_num, &rtlx_irq);
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+	err = request_irq(rtlx_irq_num, rtlx_interrupt, 0, "RTLX", rtlx);
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 	if (err)
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 		goto out_class;
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