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authorGuo Ren <ren_guo@c-sky.com>2018-09-05 14:25:15 +0800
committerGuo Ren <ren_guo@c-sky.com>2018-10-26 00:54:22 +0800
commite38a5272baaa81b31680389efdec0c9008e17446 (patch)
tree061825536f867bd3f35d57afb201b3fb0d1204b3 /arch/csky/kernel
parentdd3ef10ea295f8f4181e6044fb19444cad7c6aab (diff)
csky: IRQ handling
This patch adds IRQ handling files. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/kernel')
-rw-r--r--arch/csky/kernel/irq.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/csky/kernel/irq.c b/arch/csky/kernel/irq.c
new file mode 100644
index 000000000000..03a1930f1cbb
--- /dev/null
+++ b/arch/csky/kernel/irq.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <asm/traps.h>
+#include <asm/smp.h>
+
+void __init init_IRQ(void)
+{
+ irqchip_init();
+#ifdef CONFIG_SMP
+ setup_smp_ipi();
+#endif
+}
+
+asmlinkage void __irq_entry csky_do_IRQ(struct pt_regs *regs)
+{
+ handle_arch_irq(regs);
+}