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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-04-01 12:00:52 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-04-01 12:00:52 +0200 |
| commit | a67cd1fb660df8d8e093cb4b75343ef3dcd17cd6 (patch) | |
| tree | 10890fdefc06fc48bc3c5fb42639d2f28abacdb9 /arch/microblaze | |
| parent | Merge tag 'x86-timers-2020-03-30' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| parent | Revert "irqchip/xilinx: Enable generic irq multi handler" (diff) | |
| download | linux-a67cd1fb660df8d8e093cb4b75343ef3dcd17cd6.tar.xz linux-a67cd1fb660df8d8e093cb4b75343ef3dcd17cd6.zip | |
Merge tag 'irqchip-fixes-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip fixes from Marc Zygnier:
- Partially revert Xilinx changes that break PPC systems
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/Kconfig | 2 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/irq.h | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/irq.c | 21 |
3 files changed, 23 insertions, 3 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 242f58ec086b..6a331bd57ea8 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -47,8 +47,6 @@ config MICROBLAZE select CPU_NO_EFFICIENT_FFS select MMU_GATHER_NO_RANGE if MMU select SPARSE_IRQ - select GENERIC_IRQ_MULTI_HANDLER - select HANDLE_DOMAIN_IRQ # Endianness selection choice diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index 5166f0893e2b..eac2fb4b3fb9 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -14,4 +14,7 @@ struct pt_regs; extern void do_IRQ(struct pt_regs *regs); +/* should be defined in each interrupt controller driver */ +extern unsigned int xintc_get_irq(void); + #endif /* _ASM_MICROBLAZE_IRQ_H */ diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c index 0b37dde60a1e..903dad822fad 100644 --- a/arch/microblaze/kernel/irq.c +++ b/arch/microblaze/kernel/irq.c @@ -20,10 +20,29 @@ #include <linux/irqchip.h> #include <linux/of_irq.h> +static u32 concurrent_irq; + void __irq_entry do_IRQ(struct pt_regs *regs) { + unsigned int irq; + struct pt_regs *old_regs = set_irq_regs(regs); trace_hardirqs_off(); - handle_arch_irq(regs); + + irq_enter(); + irq = xintc_get_irq(); +next_irq: + BUG_ON(!irq); + generic_handle_irq(irq); + + irq = xintc_get_irq(); + if (irq != -1U) { + pr_debug("next irq: %d\n", irq); + ++concurrent_irq; + goto next_irq; + } + + irq_exit(); + set_irq_regs(old_regs); trace_hardirqs_on(); } |