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authorAnup Patel <anup.patel@wdc.com>2020-06-01 14:45:42 +0530
committerPalmer Dabbelt <palmerdabbelt@google.com>2020-06-09 19:11:24 -0700
commit24dc17005ca1d5034d5575f8f94bfd9ad719a22f (patch)
tree1195b62a069e4e01d85a606d2820b125dfcf34f9 /arch
parent033a65de7eced89f62d2cd166b1ee2d33af4f1e4 (diff)
downloadlinux-24dc17005ca1d5034d5575f8f94bfd9ad719a22f.tar.bz2
RISC-V: Remove do_IRQ() function
The only thing do_IRQ() does is call handle_arch_irq function pointer. We can very well call handle_arch_irq function pointer directly from assembly and remove do_IRQ() function hence this patch. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/kernel/entry.S4
-rw-r--r--arch/riscv/kernel/irq.c6
2 files changed, 3 insertions, 7 deletions
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 56d071b2c0a1..cae7e6d4c7ef 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -106,7 +106,9 @@ _save_context:
/* Handle interrupts */
move a0, sp /* pt_regs */
- tail do_IRQ
+ la a1, handle_arch_irq
+ REG_L a1, (a1)
+ jr a1
1:
/*
* Exceptions run with interrupts enabled or disabled depending on the
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c
index eb8777642ce6..7207fa08d78f 100644
--- a/arch/riscv/kernel/irq.c
+++ b/arch/riscv/kernel/irq.c
@@ -16,12 +16,6 @@ int arch_show_interrupts(struct seq_file *p, int prec)
return 0;
}
-asmlinkage __visible void __irq_entry do_IRQ(struct pt_regs *regs)
-{
- if (handle_arch_irq)
- handle_arch_irq(regs);
-}
-
void __init init_IRQ(void)
{
irqchip_init();