kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/mips/sgi-ip22/ip22-int.c
..
..
@@ -159,36 +159,7 @@
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 	irq_exit();
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 }
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-static struct irqaction local0_cascade = {
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-	.handler	= no_action,
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-	.flags		= IRQF_NO_THREAD,
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-	.name		= "local0 cascade",
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-};
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-
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-static struct irqaction local1_cascade = {
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-	.handler	= no_action,
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-	.flags		= IRQF_NO_THREAD,
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-	.name		= "local1 cascade",
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-};
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-
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-static struct irqaction buserr = {
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-	.handler	= no_action,
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-	.flags		= IRQF_NO_THREAD,
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-	.name		= "Bus Error",
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-};
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-
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-static struct irqaction map0_cascade = {
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-	.handler	= no_action,
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-	.flags		= IRQF_NO_THREAD,
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-	.name		= "mapable0 cascade",
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-};
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-
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 #ifdef USE_LIO3_IRQ
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-static struct irqaction map1_cascade = {
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-	.handler	= no_action,
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-	.flags		= IRQF_NO_THREAD,
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-	.name		= "mapable1 cascade",
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-};
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 #define SGI_INTERRUPTS	SGINT_END
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 #else
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 #define SGI_INTERRUPTS	SGINT_LOCAL3
..
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@@ -322,14 +293,24 @@
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 	}
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 	/* vector handler. this register the IRQ as non-sharable */
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-	setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade);
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-	setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade);
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-	setup_irq(SGI_BUSERR_IRQ, &buserr);
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+	if (request_irq(SGI_LOCAL_0_IRQ, no_action, IRQF_NO_THREAD,
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+			"local0 cascade", NULL))
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+		pr_err("Failed to register local0 cascade interrupt\n");
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+	if (request_irq(SGI_LOCAL_1_IRQ, no_action, IRQF_NO_THREAD,
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+			"local1 cascade", NULL))
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+		pr_err("Failed to register local1 cascade interrupt\n");
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+	if (request_irq(SGI_BUSERR_IRQ, no_action, IRQF_NO_THREAD,
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+			"Bus Error", NULL))
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+		pr_err("Failed to register Bus Error interrupt\n");
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 	/* cascade in cascade. i love Indy ;-) */
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-	setup_irq(SGI_MAP_0_IRQ, &map0_cascade);
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+	if (request_irq(SGI_MAP_0_IRQ, no_action, IRQF_NO_THREAD,
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+			"mapable0 cascade", NULL))
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+		pr_err("Failed to register mapable0 cascade interrupt\n");
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 #ifdef USE_LIO3_IRQ
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-	setup_irq(SGI_MAP_1_IRQ, &map1_cascade);
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+	if (request_irq(SGI_MAP_1_IRQ, no_action, IRQF_NO_THREAD,
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+			"mapable1 cascade", NULL))
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+		pr_err("Failed to register mapable1 cascade interrupt\n");
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 #endif
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 #ifdef CONFIG_EISA