aboutsummaryrefslogtreecommitdiff
path: root/drivers/i2c
diff options
context:
space:
mode:
authorSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
commit59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch)
treef1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /drivers/i2c
parent825f9075d74028d11d7f5932f04e1b5db3022b51 (diff)
parentd834c16516d1ebec4766fc58c059bf01311e6045 (diff)
Merge branch 'master' into gfs2
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/Kconfig2
-rw-r--r--drivers/i2c/busses/i2c-iop3xx.c16
-rw-r--r--drivers/i2c/busses/i2c-ite.c2
-rw-r--r--drivers/i2c/busses/i2c-sibyte.c4
-rw-r--r--drivers/i2c/i2c-core.c25
5 files changed, 26 insertions, 23 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 9e56c3989d6..0d9667921f6 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -196,7 +196,7 @@ config I2C_IBM_IIC
config I2C_IOP3XX
tristate "Intel IOP3xx and IXP4xx on-chip I2C interface"
- depends on (ARCH_IOP3XX || ARCH_IXP4XX) && I2C
+ depends on (ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX) && I2C
help
Say Y here if you want to use the IIC bus controller on
the Intel IOP3xx I/O Processors or IXP4xx Network Processors.
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 8e413150af3..4436c89be58 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -82,14 +82,16 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
/*
* Every time unit enable is asserted, GPOD needs to be cleared
- * on IOP321 to avoid data corruption on the bus.
+ * on IOP3XX to avoid data corruption on the bus.
*/
-#ifdef CONFIG_ARCH_IOP321
-#define IOP321_GPOD_I2C0 0x00c0 /* clear these bits to enable ch0 */
-#define IOP321_GPOD_I2C1 0x0030 /* clear these bits to enable ch1 */
-
- *IOP321_GPOD &= (iop3xx_adap->id == 0) ? ~IOP321_GPOD_I2C0 :
- ~IOP321_GPOD_I2C1;
+#ifdef CONFIG_PLAT_IOP
+ if (iop3xx_adap->id == 0) {
+ gpio_line_set(IOP3XX_GPIO_LINE(7), GPIO_LOW);
+ gpio_line_set(IOP3XX_GPIO_LINE(6), GPIO_LOW);
+ } else {
+ gpio_line_set(IOP3XX_GPIO_LINE(5), GPIO_LOW);
+ gpio_line_set(IOP3XX_GPIO_LINE(4), GPIO_LOW);
+ }
#endif
/* NB SR bits not same position as CR IE bits :-( */
iop3xx_adap->SR_enabled =
diff --git a/drivers/i2c/busses/i2c-ite.c b/drivers/i2c/busses/i2c-ite.c
index d82e6dae840..559a62b04ee 100644
--- a/drivers/i2c/busses/i2c-ite.c
+++ b/drivers/i2c/busses/i2c-ite.c
@@ -109,7 +109,7 @@ static int iic_ite_getclock(void *data)
static void iic_ite_waitforpin(void) {
DEFINE_WAIT(wait);
int timeout = 2;
- long flags;
+ unsigned long flags;
/* If interrupts are enabled (which they are), then put the process to
* sleep. This process will be awakened by two events -- either the
diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c
index 8f2b1f0deb8..0ca599d3b40 100644
--- a/drivers/i2c/busses/i2c-sibyte.c
+++ b/drivers/i2c/busses/i2c-sibyte.c
@@ -210,8 +210,8 @@ static int __init i2c_sibyte_init(void)
static void __exit i2c_sibyte_exit(void)
{
- i2c_del_bus(&sibyte_board_adapter[0]);
- i2c_del_bus(&sibyte_board_adapter[1]);
+ i2c_del_adapter(&sibyte_board_adapter[0]);
+ i2c_del_adapter(&sibyte_board_adapter[1]);
}
module_init(i2c_sibyte_init);
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 01233f0f777..7ca81f42d14 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -420,14 +420,6 @@ int i2c_attach_client(struct i2c_client *client)
}
list_add_tail(&client->list,&adapter->clients);
- if (adapter->client_register) {
- if (adapter->client_register(client)) {
- dev_dbg(&adapter->dev, "client_register "
- "failed for client [%s] at 0x%02x\n",
- client->name, client->addr);
- }
- }
-
client->usage_count = 0;
client->dev.parent = &client->adapter->dev;
@@ -445,10 +437,17 @@ int i2c_attach_client(struct i2c_client *client)
res = device_create_file(&client->dev, &dev_attr_client_name);
if (res)
goto out_unregister;
-
-out_unlock:
mutex_unlock(&adapter->clist_lock);
- return res;
+
+ if (adapter->client_register) {
+ if (adapter->client_register(client)) {
+ dev_dbg(&adapter->dev, "client_register "
+ "failed for client [%s] at 0x%02x\n",
+ client->name, client->addr);
+ }
+ }
+
+ return 0;
out_unregister:
init_completion(&client->released); /* Needed? */
@@ -458,7 +457,9 @@ out_list:
list_del(&client->list);
dev_err(&adapter->dev, "Failed to attach i2c client %s at 0x%02x "
"(%d)\n", client->name, client->addr, res);
- goto out_unlock;
+out_unlock:
+ mutex_unlock(&adapter->clist_lock);
+ return res;
}