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Unverified Commit 1ed4237a authored by Anup Patel's avatar Anup Patel Committed by Palmer Dabbelt
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RISC-V: No need to pass scause as arg to do_IRQ() 



The scause is already part of pt_regs so no need to pass
scause as separate arg to do_IRQ().

Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAnup Patel <anup@brainfault.org>
Signed-off-by: default avatarPalmer Dabbelt <palmer@sifive.com>
parent 84df9525

arch/riscv/kernel/entry.S

+0 −1
Original line number Diff line number Diff line
@@ -168,7 +168,6 @@ ENTRY(handle_exception) 


	/* Handle interrupts */

	move a0, sp /* pt_regs */

	move a1, s4 /* scause */

	tail do_IRQ

1:

	/* Exceptions run with interrupts enabled */

arch/riscv/kernel/irq.c

+2 −2
Original line number Diff line number Diff line
@@ -24,12 +24,12 @@ 
 */

#define INTERRUPT_CAUSE_FLAG	(1UL << (__riscv_xlen - 1))



asmlinkage void __irq_entry do_IRQ(struct pt_regs *regs, unsigned long cause)

asmlinkage void __irq_entry do_IRQ(struct pt_regs *regs)

{

	struct pt_regs *old_regs = set_irq_regs(regs);



	irq_enter();

	switch (cause & ~INTERRUPT_CAUSE_FLAG) {

	switch (regs->scause & ~INTERRUPT_CAUSE_FLAG) {

	case INTERRUPT_CAUSE_TIMER:

		riscv_timer_interrupt();

		break;