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Subject[patch 10/26] 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>
---
arch/blackfin/Kconfig | 1 +
arch/blackfin/kernel/irqchip.c | 36 +++++++-----------------------------
2 files changed, 8 insertions(+), 29 deletions(-)

Index: tip/arch/blackfin/Kconfig
===================================================================
--- tip.orig/arch/blackfin/Kconfig
+++ tip/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
Index: tip/arch/blackfin/kernel/irqchip.c
===================================================================
--- tip.orig/arch/blackfin/kernel/irqchip.c
+++ tip/arch/blackfin/kernel/irqchip.c
@@ -33,37 +33,15 @@ 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;
+ int j;

- 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));
- }
+ 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



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