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-rw-r--r--drivers/i2c/busses/Kconfig2
-rw-r--r--drivers/i2c/busses/i2c-pca-isa.c35
2 files changed, 29 insertions, 8 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index ece31d2c6c64..d7e6cbb9cbef 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -547,7 +547,7 @@ config I2C_VOODOO3
547 547
548config I2C_PCA_ISA 548config I2C_PCA_ISA
549 tristate "PCA9564 on an ISA bus" 549 tristate "PCA9564 on an ISA bus"
550 depends on I2C 550 depends on I2C && ISA
551 select I2C_ALGOPCA 551 select I2C_ALGOPCA
552 default n 552 default n
553 help 553 help
diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c
index cc6536a19eca..5f94e617fe0c 100644
--- a/drivers/i2c/busses/i2c-pca-isa.c
+++ b/drivers/i2c/busses/i2c-pca-isa.c
@@ -28,6 +28,7 @@
28#include <linux/pci.h> 28#include <linux/pci.h>
29#include <linux/wait.h> 29#include <linux/wait.h>
30 30
31#include <linux/isa.h>
31#include <linux/i2c.h> 32#include <linux/i2c.h>
32#include <linux/i2c-algo-pca.h> 33#include <linux/i2c-algo-pca.h>
33 34
@@ -119,27 +120,26 @@ static struct i2c_adapter pca_isa_ops = {
119 .name = "PCA9564 ISA Adapter", 120 .name = "PCA9564 ISA Adapter",
120}; 121};
121 122
122static int __init pca_isa_init(void) 123static int __devinit pca_isa_probe(struct device *dev, unsigned int id)
123{ 124{
124
125 init_waitqueue_head(&pca_wait); 125 init_waitqueue_head(&pca_wait);
126 126
127 printk(KERN_INFO "i2c-pca-isa: i/o base %#08lx. irq %d\n", base, irq); 127 dev_info(dev, "i/o base %#08lx. irq %d\n", base, irq);
128 128
129 if (!request_region(base, IO_SIZE, "i2c-pca-isa")) { 129 if (!request_region(base, IO_SIZE, "i2c-pca-isa")) {
130 printk(KERN_ERR "i2c-pca-isa: I/O address %#08lx is in use.\n", base); 130 dev_err(dev, "I/O address %#08lx is in use\n", base);
131 goto out; 131 goto out;
132 } 132 }
133 133
134 if (irq > -1) { 134 if (irq > -1) {
135 if (request_irq(irq, pca_handler, 0, "i2c-pca-isa", &pca_isa_ops) < 0) { 135 if (request_irq(irq, pca_handler, 0, "i2c-pca-isa", &pca_isa_ops) < 0) {
136 printk(KERN_ERR "i2c-pca-isa: Request irq%d failed\n", irq); 136 dev_err(dev, "Request irq%d failed\n", irq);
137 goto out_region; 137 goto out_region;
138 } 138 }
139 } 139 }
140 140
141 if (i2c_pca_add_bus(&pca_isa_ops) < 0) { 141 if (i2c_pca_add_bus(&pca_isa_ops) < 0) {
142 printk(KERN_ERR "i2c-pca-isa: Failed to add i2c bus\n"); 142 dev_err(dev, "Failed to add i2c bus\n");
143 goto out_irq; 143 goto out_irq;
144 } 144 }
145 145
@@ -154,7 +154,7 @@ static int __init pca_isa_init(void)
154 return -ENODEV; 154 return -ENODEV;
155} 155}
156 156
157static void pca_isa_exit(void) 157static int __devexit pca_isa_remove(struct device *dev, unsigned int id)
158{ 158{
159 i2c_del_adapter(&pca_isa_ops); 159 i2c_del_adapter(&pca_isa_ops);
160 160
@@ -163,6 +163,27 @@ static void pca_isa_exit(void)
163 free_irq(irq, &pca_isa_ops); 163 free_irq(irq, &pca_isa_ops);
164 } 164 }
165 release_region(base, IO_SIZE); 165 release_region(base, IO_SIZE);
166
167 return 0;
168}
169
170static struct isa_driver pca_isa_driver = {
171 .probe = pca_isa_probe,
172 .remove = __devexit_p(pca_isa_remove),
173 .driver = {
174 .owner = THIS_MODULE,
175 .name = "i2c-pca-isa",
176 }
177};
178
179static int __init pca_isa_init(void)
180{
181 return isa_register_driver(&pca_isa_driver, 1);
182}
183
184static void __exit pca_isa_exit(void)
185{
186 isa_unregister_driver(&pca_isa_driver);
166} 187}
167 188
168MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>"); 189MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>");