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authorArnd Bergmann <arnd@arndb.de>2011-10-20 12:30:25 -0400
committerArnd Bergmann <arnd@arndb.de>2011-10-20 12:30:25 -0400
commit995a0605a6665858d73f9e80053414909be33f27 (patch)
treefcc66a6a77acdaae492f77c0c58c0233db74a2b4 /arch/arm/plat-s5p/irq-gpioint.c
parenta32750c2ca6f697903b19063fc86f4272865e3a1 (diff)
parent677d3e2f07d1b3d6d2f76fd5552d16a53b9236a0 (diff)
Merge branch 'at91/trng' into next/driver
Diffstat (limited to 'arch/arm/plat-s5p/irq-gpioint.c')
-rw-r--r--arch/arm/plat-s5p/irq-gpioint.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index 327ab9f662e8..f88216d23991 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -23,6 +23,8 @@
23#include <plat/gpio-core.h> 23#include <plat/gpio-core.h>
24#include <plat/gpio-cfg.h> 24#include <plat/gpio-cfg.h>
25 25
26#include <asm/mach/irq.h>
27
26#define GPIO_BASE(chip) (((unsigned long)(chip)->base) & 0xFFFFF000u) 28#define GPIO_BASE(chip) (((unsigned long)(chip)->base) & 0xFFFFF000u)
27 29
28#define CON_OFFSET 0x700 30#define CON_OFFSET 0x700
@@ -81,6 +83,9 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
81 int group, pend_offset, mask_offset; 83 int group, pend_offset, mask_offset;
82 unsigned int pend, mask; 84 unsigned int pend, mask;
83 85
86 struct irq_chip *chip = irq_get_chip(irq);
87 chained_irq_enter(chip, desc);
88
84 for (group = 0; group < bank->nr_groups; group++) { 89 for (group = 0; group < bank->nr_groups; group++) {
85 struct s3c_gpio_chip *chip = bank->chips[group]; 90 struct s3c_gpio_chip *chip = bank->chips[group];
86 if (!chip) 91 if (!chip)
@@ -102,23 +107,25 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
102 pend &= ~BIT(offset); 107 pend &= ~BIT(offset);
103 } 108 }
104 } 109 }
110 chained_irq_exit(chip, desc);
105} 111}
106 112
107static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) 113static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
108{ 114{
109 static int used_gpioint_groups = 0; 115 static int used_gpioint_groups = 0;
110 int group = chip->group; 116 int group = chip->group;
111 struct s5p_gpioint_bank *bank = NULL; 117 struct s5p_gpioint_bank *b, *bank = NULL;
112 struct irq_chip_generic *gc; 118 struct irq_chip_generic *gc;
113 struct irq_chip_type *ct; 119 struct irq_chip_type *ct;
114 120
115 if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT) 121 if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT)
116 return -ENOMEM; 122 return -ENOMEM;
117 123
118 list_for_each_entry(bank, &banks, list) { 124 list_for_each_entry(b, &banks, list) {
119 if (group >= bank->start && 125 if (group >= b->start && group < b->start + b->nr_groups) {
120 group < bank->start + bank->nr_groups) 126 bank = b;
121 break; 127 break;
128 }
122 } 129 }
123 if (!bank) 130 if (!bank)
124 return -EINVAL; 131 return -EINVAL;