[PATCH 17/23] arch: arm: use generic irq error counter

Enrico Weigelt, metux IT consult
2020-12-18T15:02:29Z

Use the newly introduced irq error counter, that's already maintained
by all callers of ack_bad_irq(), in order to remove duplicate code.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
---
arch/arm/include/asm/hardirq.h | 2 +-
arch/arm/include/asm/hw_irq.h | 6 ------
arch/arm/kernel/irq.c | 6 ++----
drivers/irqchip/irq-omap-intc.c | 5 ++---
4 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 706efafbf972..d9ae8998240d 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -5,7 +5,7 @@
#include <asm/irq.h>

#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
-#define ack_bad_irq ack_bad_irq
+#define ack_bad_irq(irq)

#include <asm-generic/hardirq.h>

diff --git a/arch/arm/include/asm/hw_irq.h b/arch/arm/include/asm/hw_irq.h
index 5305c7e33aee..adbbeb11b930 100644
--- a/arch/arm/include/asm/hw_irq.h
+++ b/arch/arm/include/asm/hw_irq.h
@@ -5,12 +5,6 @@
#ifndef _ARCH_ARM_HW_IRQ_H
#define _ARCH_ARM_HW_IRQ_H

-static inline void ack_bad_irq(int irq)
-{
- extern unsigned long irq_err_count;
- irq_err_count++;
-}
-
#define ARCH_IRQ_INIT_FLAGS (IRQ_NOREQUEST | IRQ_NOPROBE)

#endif
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 698b6f636156..72c3b8ce74db 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -32,7 +32,7 @@
#include <linux/kallsyms.h>
#include <linux/proc_fs.h>
#include <linux/export.h>
-
+#include <asm-generic/irq-err.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/cache-uniphier.h>
#include <asm/outercache.h>
@@ -41,8 +41,6 @@
#include <asm/mach/irq.h>
#include <asm/mach/time.h>

-unsigned long irq_err_count;
-
int arch_show_interrupts(struct seq_file *p, int prec)
{
#ifdef CONFIG_FIQ
@@ -51,7 +49,7 @@ int arch_show_interrupts(struct seq_file *p, int prec)
#ifdef CONFIG_SMP
show_ipi_list(p, prec);
#endif
- seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
+ seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_get());
return 0;
}

diff --git a/drivers/irqchip/irq-omap-intc.c b/drivers/irqchip/irq-omap-intc.c
index d360a6eddd6d..2682c6e814c2 100644
--- a/drivers/irqchip/irq-omap-intc.c
+++ b/drivers/irqchip/irq-omap-intc.c
@@ -15,7 +15,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
-
+#include <asm-generic/irq-err.h>
#include <asm/exception.h>
#include <linux/irqchip.h>
#include <linux/irqdomain.h>
@@ -328,7 +328,6 @@ static int __init omap_init_irq(u32 base, struct device_node *node)
static asmlinkage void __exception_irq_entry
omap_intc_handle_irq(struct pt_regs *regs)
{
- extern unsigned long irq_err_count;
u32 irqnr;

irqnr = intc_readl(INTC_SIR);
@@ -351,7 +350,7 @@ omap_intc_handle_irq(struct pt_regs *regs)
*/
if (unlikely((irqnr & SPURIOUSIRQ_MASK) == SPURIOUSIRQ_MASK)) {
pr_err_once("%s: spurious irq!\n", __func__);
- irq_err_count++;
+ irq_err_inc();
omap_ack_irq(NULL);
return;
}
--
2.11.0