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authorPaul Mundt <lethal@linux-sh.org>2011-03-17 04:31:51 -0400
committerPaul Mundt <lethal@linux-sh.org>2011-03-17 04:31:51 -0400
commit3d44ae402a4e35cf88784d443046c8fbe25c674b (patch)
tree631f641937c654dcdab9802e6f8cc8bf1d1c144f /arch/sh
parenta88403335a9ffc66a0a1b46b6d303512eddde846 (diff)
sh: Convert to generic show_interrupts.
Trivial conversion, simply encapsulate the NMI stats in the arch code. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/Kconfig1
-rw-r--r--arch/sh/kernel/irq.c61
2 files changed, 3 insertions, 59 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ca649d32a843..2d264fa84959 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -25,6 +25,7 @@ config SUPERH
25 select GENERIC_ATOMIC64 25 select GENERIC_ATOMIC64
26 # Support the deprecated APIs until MFD and GPIOLIB catch up. 26 # Support the deprecated APIs until MFD and GPIOLIB catch up.
27 select GENERIC_HARDIRQS_NO_DEPRECATED if !MFD_SUPPORT && !GPIOLIB 27 select GENERIC_HARDIRQS_NO_DEPRECATED if !MFD_SUPPORT && !GPIOLIB
28 select GENERIC_IRQ_SHOW
28 help 29 help
29 The SuperH is a RISC processor targeted for use in embedded systems 30 The SuperH is a RISC processor targeted for use in embedded systems
30 and consumer electronics; it was also used in the Sega Dreamcast 31 and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 68ecbe6c881a..64ea0b165399 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -34,9 +34,9 @@ void ack_bad_irq(unsigned int irq)
34 34
35#if defined(CONFIG_PROC_FS) 35#if defined(CONFIG_PROC_FS)
36/* 36/*
37 * /proc/interrupts printing: 37 * /proc/interrupts printing for arch specific interrupts
38 */ 38 */
39static int show_other_interrupts(struct seq_file *p, int prec) 39int arch_show_interrupts(struct seq_file *p, int prec)
40{ 40{
41 int j; 41 int j;
42 42
@@ -49,63 +49,6 @@ static int show_other_interrupts(struct seq_file *p, int prec)
49 49
50 return 0; 50 return 0;
51} 51}
52
53int show_interrupts(struct seq_file *p, void *v)
54{
55 unsigned long flags, any_count = 0;
56 int i = *(loff_t *)v, j, prec;
57 struct irqaction *action;
58 struct irq_desc *desc;
59 struct irq_data *data;
60 struct irq_chip *chip;
61
62 if (i > nr_irqs)
63 return 0;
64
65 for (prec = 3, j = 1000; prec < 10 && j <= nr_irqs; ++prec)
66 j *= 10;
67
68 if (i == nr_irqs)
69 return show_other_interrupts(p, prec);
70
71 if (i == 0) {
72 seq_printf(p, "%*s", prec + 8, "");
73 for_each_online_cpu(j)
74 seq_printf(p, "CPU%-8d", j);
75 seq_putc(p, '\n');
76 }
77
78 desc = irq_to_desc(i);
79 if (!desc)
80 return 0;
81
82 data = irq_get_irq_data(i);
83 chip = irq_data_get_irq_chip(data);
84
85 raw_spin_lock_irqsave(&desc->lock, flags);
86 for_each_online_cpu(j)
87 any_count |= kstat_irqs_cpu(i, j);
88 action = desc->action;
89 if (!action && !any_count)
90 goto out;
91
92 seq_printf(p, "%*d: ", prec, i);
93 for_each_online_cpu(j)
94 seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
95 seq_printf(p, " %14s", chip->name);
96 seq_printf(p, "-%-8s", desc->name);
97
98 if (action) {
99 seq_printf(p, " %s", action->name);
100 while ((action = action->next) != NULL)
101 seq_printf(p, ", %s", action->name);
102 }
103
104 seq_putc(p, '\n');
105out:
106 raw_spin_unlock_irqrestore(&desc->lock, flags);
107 return 0;
108}
109#endif 52#endif
110 53
111#ifdef CONFIG_IRQSTACKS 54#ifdef CONFIG_IRQSTACKS