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authorThomas Gleixner <tglx@linutronix.de>2014-02-23 21:40:13 +0000
committerSteven Miao <realmz6@gmail.com>2014-04-11 23:40:55 +0800
commite8fac6334d205ebe7b4923b141384b105685a226 (patch)
tree897c40912ba46194533ca4e7b73d17de3b89c946 /arch
parent30fc7ebe848fe088969b7a4d26db8f86503d2b90 (diff)
downloadlinux-e8fac6334d205ebe7b4923b141384b105685a226.tar.bz2
blackfin:Use generic /proc/interrupts implementation
There is nothing special in that blackfin code. Use the core implementation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Steven Miao <realmz6@gmail.com> Cc: bfin <adi-buildroot-devel@lists.sourceforge.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/Kconfig1
-rw-r--r--arch/blackfin/kernel/irqchip.c39
2 files changed, 10 insertions, 30 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 9ceccef9c649..f936ee6f5688 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -34,6 +34,7 @@ config BLACKFIN
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_ATOMIC64
select GENERIC_IRQ_PROBE
+ select GENERIC_IRQ_SHOW
select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
select GENERIC_SMP_IDLE_THREAD
select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS
diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index ff3d747154ac..0ba25764b8c0 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -11,6 +11,7 @@
#include <linux/kallsyms.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
+#include <linux/seq_file.h>
#include <asm/irq_handler.h>
#include <asm/trace.h>
#include <asm/pda.h>
@@ -33,37 +34,15 @@ static struct irq_desc bad_irq_desc = {
#endif
#ifdef CONFIG_PROC_FS
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
{
- int i = *(loff_t *) v, j;
- struct irqaction *action;
- unsigned long flags;
-
- if (i < NR_IRQS) {
- struct irq_desc *desc = irq_to_desc(i);
-
- raw_spin_lock_irqsave(&desc->lock, flags);
- action = desc->action;
- if (!action)
- goto skip;
- seq_printf(p, "%3d: ", i);
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
- seq_printf(p, " %8s", irq_desc_get_chip(desc)->name);
- seq_printf(p, " %s", action->name);
- for (action = action->next; action; action = action->next)
- seq_printf(p, " %s", action->name);
-
- seq_putc(p, '\n');
- skip:
- raw_spin_unlock_irqrestore(&desc->lock, flags);
- } else if (i == NR_IRQS) {
- seq_printf(p, "NMI: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda[j].__nmi_count);
- seq_printf(p, " CORE Non Maskable Interrupt\n");
- seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count));
- }
+ int j;
+
+ seq_printf(p, "%*s: ", prec, "NMI");
+ for_each_online_cpu(j)
+ seq_printf(p, "%10u ", cpu_pda[j].__nmi_count);
+ seq_printf(p, " CORE Non Maskable Interrupt\n");
+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
return 0;
}
#endif