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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /drivers/i2c/busses/i2c-s3c2410.c
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
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Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'drivers/i2c/busses/i2c-s3c2410.c')
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c52
1 files changed, 24 insertions, 28 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 1691ef0..8f42a45 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -51,6 +51,11 @@ enum s3c24xx_i2c_state {
STATE_STOP
};
+enum s3c24xx_i2c_type {
+ TYPE_S3C2410,
+ TYPE_S3C2440,
+};
+
struct s3c24xx_i2c {
spinlock_t lock;
wait_queue_head_t wait;
@@ -88,8 +93,10 @@ struct s3c24xx_i2c {
static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c)
{
struct platform_device *pdev = to_platform_device(i2c->dev);
+ enum s3c24xx_i2c_type type;
- return !strcmp(pdev->name, "s3c2440-i2c");
+ type = platform_get_device_id(pdev)->driver_data;
+ return type == TYPE_S3C2440;
}
/* s3c24xx_i2c_master_complete
@@ -821,7 +828,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
goto err_clk;
}
- i2c->ioarea = request_mem_region(res->start, (res->end-res->start)+1,
+ i2c->ioarea = request_mem_region(res->start, resource_size(res),
pdev->name);
if (i2c->ioarea == NULL) {
@@ -830,7 +837,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
goto err_clk;
}
- i2c->regs = ioremap(res->start, (res->end-res->start)+1);
+ i2c->regs = ioremap(res->start, resource_size(res));
if (i2c->regs == NULL) {
dev_err(&pdev->dev, "cannot map IO\n");
@@ -969,52 +976,41 @@ static int s3c24xx_i2c_resume(struct platform_device *dev)
/* device driver for platform bus bits */
-static struct platform_driver s3c2410_i2c_driver = {
- .probe = s3c24xx_i2c_probe,
- .remove = s3c24xx_i2c_remove,
- .suspend_late = s3c24xx_i2c_suspend_late,
- .resume = s3c24xx_i2c_resume,
- .driver = {
- .owner = THIS_MODULE,
- .name = "s3c2410-i2c",
- },
+static struct platform_device_id s3c24xx_driver_ids[] = {
+ {
+ .name = "s3c2410-i2c",
+ .driver_data = TYPE_S3C2410,
+ }, {
+ .name = "s3c2440-i2c",
+ .driver_data = TYPE_S3C2440,
+ }, { },
};
+MODULE_DEVICE_TABLE(platform, s3c24xx_driver_ids);
-static struct platform_driver s3c2440_i2c_driver = {
+static struct platform_driver s3c24xx_i2c_driver = {
.probe = s3c24xx_i2c_probe,
.remove = s3c24xx_i2c_remove,
.suspend_late = s3c24xx_i2c_suspend_late,
.resume = s3c24xx_i2c_resume,
+ .id_table = s3c24xx_driver_ids,
.driver = {
.owner = THIS_MODULE,
- .name = "s3c2440-i2c",
+ .name = "s3c-i2c",
},
};
static int __init i2c_adap_s3c_init(void)
{
- int ret;
-
- ret = platform_driver_register(&s3c2410_i2c_driver);
- if (ret == 0) {
- ret = platform_driver_register(&s3c2440_i2c_driver);
- if (ret)
- platform_driver_unregister(&s3c2410_i2c_driver);
- }
-
- return ret;
+ return platform_driver_register(&s3c24xx_i2c_driver);
}
subsys_initcall(i2c_adap_s3c_init);
static void __exit i2c_adap_s3c_exit(void)
{
- platform_driver_unregister(&s3c2410_i2c_driver);
- platform_driver_unregister(&s3c2440_i2c_driver);
+ platform_driver_unregister(&s3c24xx_i2c_driver);
}
module_exit(i2c_adap_s3c_exit);
MODULE_DESCRIPTION("S3C24XX I2C Bus driver");
MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>");
MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:s3c2410-i2c");
-MODULE_ALIAS("platform:s3c2440-i2c");