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path: root/drivers/i2c/busses/i2c-pxa.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-pxa.c')
-rw-r--r--drivers/i2c/busses/i2c-pxa.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 8a0a99b93641..28e7b91a4553 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -837,20 +837,10 @@ static const struct i2c_algorithm i2c_pxa_algorithm = {
.functionality = i2c_pxa_functionality,
};
-static struct pxa_i2c i2c_pxa = {
- .lock = __SPIN_LOCK_UNLOCKED(i2c_pxa.lock),
- .adap = {
- .owner = THIS_MODULE,
- .algo = &i2c_pxa_algorithm,
- .name = "pxa2xx-i2c.0",
- .retries = 5,
- },
-};
-
#define res_len(r) ((r)->end - (r)->start + 1)
static int i2c_pxa_probe(struct platform_device *dev)
{
- struct pxa_i2c *i2c = &i2c_pxa;
+ struct pxa_i2c *i2c;
struct resource *res;
struct i2c_pxa_platform_data *plat = dev->dev.platform_data;
int ret;
@@ -864,15 +854,20 @@ static int i2c_pxa_probe(struct platform_device *dev)
if (!request_mem_region(res->start, res_len(res), res->name))
return -ENOMEM;
- i2c = kmalloc(sizeof(struct pxa_i2c), GFP_KERNEL);
+ i2c = kzalloc(sizeof(struct pxa_i2c), GFP_KERNEL);
if (!i2c) {
ret = -ENOMEM;
goto emalloc;
}
- memcpy(i2c, &i2c_pxa, sizeof(struct pxa_i2c));
+ i2c->adap.owner = THIS_MODULE;
+ i2c->adap.algo = &i2c_pxa_algorithm;
+ i2c->adap.retries = 5;
+
+ spin_lock_init(&i2c->lock);
init_waitqueue_head(&i2c->wait);
- i2c->adap.name[strlen(i2c->adap.name) - 1] = '0' + dev->id % 10;
+
+ sprintf(i2c->adap.name, "pxa_i2c-i2c.%u", dev->id);
i2c->reg_base = ioremap(res->start, res_len(res));
if (!i2c->reg_base) {