Unverified Commit 24dc1700 authored by Anup Patel's avatar Anup Patel Committed by Palmer Dabbelt
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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: default avatarAnup Patel <anup.patel@wdc.com>
Reviewed-by: default avatarAtish Patra <atish.patra@wdc.com>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 033a65de

arch/riscv/kernel/entry.S

+3 −1
Original line number Diff line number Diff line
@@ -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

arch/riscv/kernel/irq.c

+0 −6
Original line number Diff line number Diff line
@@ -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();

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