Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c
index fffac6d..7207fa0 100644
--- a/arch/riscv/kernel/irq.c
+++ b/arch/riscv/kernel/irq.c
@@ -7,54 +7,18 @@
#include <linux/interrupt.h>
#include <linux/irqchip.h>
-#include <linux/irqdomain.h>
#include <linux/seq_file.h>
#include <asm/smp.h>
-/*
- * Possible interrupt causes:
- */
-#define INTERRUPT_CAUSE_SOFTWARE IRQ_S_SOFT
-#define INTERRUPT_CAUSE_TIMER IRQ_S_TIMER
-#define INTERRUPT_CAUSE_EXTERNAL IRQ_S_EXT
-
int arch_show_interrupts(struct seq_file *p, int prec)
{
show_ipi_stats(p, prec);
return 0;
}
-asmlinkage __visible void __irq_entry do_IRQ(struct pt_regs *regs)
-{
- struct pt_regs *old_regs = set_irq_regs(regs);
-
- irq_enter();
- switch (regs->scause & ~SCAUSE_IRQ_FLAG) {
- case INTERRUPT_CAUSE_TIMER:
- riscv_timer_interrupt();
- break;
-#ifdef CONFIG_SMP
- case INTERRUPT_CAUSE_SOFTWARE:
- /*
- * We only use software interrupts to pass IPIs, so if a non-SMP
- * system gets one, then we don't know what to do.
- */
- riscv_software_interrupt();
- break;
-#endif
- case INTERRUPT_CAUSE_EXTERNAL:
- handle_arch_irq(regs);
- break;
- default:
- pr_alert("unexpected interrupt cause 0x%lx", regs->scause);
- BUG();
- }
- irq_exit();
-
- set_irq_regs(old_regs);
-}
-
void __init init_IRQ(void)
{
irqchip_init();
+ if (!handle_arch_irq)
+ panic("No interrupt controller found.");
}