diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-06-01 14:45:41 +0530 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-06-09 19:11:22 -0700 |
| commit | 033a65de7eced89f62d2cd166b1ee2d33af4f1e4 (patch) | |
| tree | 793a3f57cb982fad7b31cc64df4fe73c1538a46e /drivers/irqchip | |
| parent | 6b7ce8927b5a4d739670d4dc0de301f2abfd9a5c (diff) | |
clocksource/drivers/timer-riscv: Use per-CPU timer interrupt
Instead of directly calling RISC-V timer interrupt handler from
RISC-V local interrupt conntroller driver, this patch implements
RISC-V timer interrupt as a per-CPU interrupt using per-CPU APIs
of Linux IRQ subsystem.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-riscv-intc.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c index a80fb1731c50..a6f97fa6ff69 100644 --- a/drivers/irqchip/irq-riscv-intc.c +++ b/drivers/irqchip/irq-riscv-intc.c @@ -21,20 +21,12 @@ static struct irq_domain *intc_domain; static asmlinkage void riscv_intc_irq(struct pt_regs *regs) { - struct pt_regs *old_regs; unsigned long cause = regs->cause & ~CAUSE_IRQ_FLAG; if (unlikely(cause >= BITS_PER_LONG)) panic("unexpected interrupt cause"); switch (cause) { - case RV_IRQ_TIMER: - old_regs = set_irq_regs(regs); - irq_enter(); - riscv_timer_interrupt(); - irq_exit(); - set_irq_regs(old_regs); - break; #ifdef CONFIG_SMP case RV_IRQ_SOFT: /* |