diff options
| author | Anup Patel | 2018-10-02 21:14:54 +0200 |
|---|---|---|
| committer | Palmer Dabbelt | 2018-10-23 02:03:35 +0200 |
| commit | 1ed4237ab616a05225e11d07bf42d5474deec905 (patch) | |
| tree | ded02b031b4485ccb3372882850a16ebff139cf7 | |
| parent | Linux 4.19 (diff) | |
| download | kernel-qcow2-linux-1ed4237ab616a05225e11d07bf42d5474deec905.tar.gz kernel-qcow2-linux-1ed4237ab616a05225e11d07bf42d5474deec905.tar.xz kernel-qcow2-linux-1ed4237ab616a05225e11d07bf42d5474deec905.zip | |
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: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
| -rw-r--r-- | arch/riscv/kernel/entry.S | 1 | ||||
| -rw-r--r-- | arch/riscv/kernel/irq.c | 4 |
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S index fa2c08e3c05e..6eaacfa5b63d 100644 --- a/arch/riscv/kernel/entry.S +++ b/arch/riscv/kernel/entry.S @@ -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 */ diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c index 0cfac48a1272..ca4593317e45 100644 --- a/arch/riscv/kernel/irq.c +++ b/arch/riscv/kernel/irq.c @@ -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; |