summaryrefslogtreecommitdiffstats
path: root/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch
diff options
context:
space:
mode:
authorkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-04-20 18:17:38 +0000
committerkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-04-20 18:17:38 +0000
commit7188c772bb19ef7ecd0deeae8db4a7e7f308a7ad (patch)
tree57a001505f68d3460617670cf9116870274f01b4 /target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch
parentf0c86e1c7c8f755f5bd880e8499c5b741102ffb1 (diff)
add ixp4xx 2.6.25 patchset
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10891 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch')
-rw-r--r--target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch197
1 files changed, 197 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch b/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch
new file mode 100644
index 000000000..d81a570ea
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.25/012-rtc_x1205_new_style.patch
@@ -0,0 +1,197 @@
+---
+ drivers/rtc/rtc-x1205.c | 128 ++++++++++++++++--------------------------------
+ 1 file changed, 43 insertions(+), 85 deletions(-)
+
+Index: linux-2.6.25-rc6-armeb/drivers/rtc/rtc-x1205.c
+===================================================================
+--- linux-2.6.25-rc6-armeb.orig/drivers/rtc/rtc-x1205.c 2008-03-20 10:24:13.000000000 +1030
++++ linux-2.6.25-rc6-armeb/drivers/rtc/rtc-x1205.c 2008-03-20 10:24:23.000000000 +1030
+@@ -22,20 +22,7 @@
+ #include <linux/rtc.h>
+ #include <linux/delay.h>
+
+-#define DRV_VERSION "1.0.7"
+-
+-/* Addresses to scan: none. This chip is located at
+- * 0x6f and uses a two bytes register addressing.
+- * Two bytes need to be written to read a single register,
+- * while most other chips just require one and take the second
+- * one as the data to be written. To prevent corrupting
+- * unknown chips, the user must explicitly set the probe parameter.
+- */
+-
+-static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
+-
+-/* Insmod parameters */
+-I2C_CLIENT_INSMOD;
++#define DRV_VERSION "1.0.8"
+
+ /* offsets into CCR area */
+
+@@ -91,19 +78,7 @@
+
+ #define X1205_HR_MIL 0x80 /* Set in ccr.hour for 24 hr mode */
+
+-/* Prototypes */
+-static int x1205_attach(struct i2c_adapter *adapter);
+-static int x1205_detach(struct i2c_client *client);
+-static int x1205_probe(struct i2c_adapter *adapter, int address, int kind);
+-
+-static struct i2c_driver x1205_driver = {
+- .driver = {
+- .name = "x1205",
+- },
+- .id = I2C_DRIVERID_X1205,
+- .attach_adapter = &x1205_attach,
+- .detach_client = &x1205_detach,
+-};
++static struct i2c_driver x1205_driver;
+
+ /*
+ * In the routines that deal directly with the x1205 hardware, we use
+@@ -497,58 +472,51 @@
+ }
+ static DEVICE_ATTR(dtrim, S_IRUGO, x1205_sysfs_show_dtrim, NULL);
+
+-static int x1205_attach(struct i2c_adapter *adapter)
++static int x1205_sysfs_register(struct device *dev)
++{
++ int err;
++
++ err = device_create_file(dev, &dev_attr_atrim);
++ if (err)
++ return err;
++
++ err = device_create_file(dev, &dev_attr_dtrim);
++ if (err)
++ device_remove_file(dev, &dev_attr_atrim);
++
++ return err;
++}
++
++static void x1205_sysfs_unregister(struct device *dev)
+ {
+- return i2c_probe(adapter, &addr_data, x1205_probe);
++ device_remove_file(dev, &dev_attr_atrim);
++ device_remove_file(dev, &dev_attr_dtrim);
+ }
+
+-static int x1205_probe(struct i2c_adapter *adapter, int address, int kind)
++
++static int x1205_probe(struct i2c_client *client)
+ {
+ int err = 0;
+ unsigned char sr;
+- struct i2c_client *client;
+ struct rtc_device *rtc;
+
+- dev_dbg(&adapter->dev, "%s\n", __FUNCTION__);
++ dev_dbg(&client->dev, "%s\n", __FUNCTION__);
+
+- if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
+- err = -ENODEV;
+- goto exit;
++ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
++ return -ENODEV;
+ }
+
+- if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
+- err = -ENOMEM;
+- goto exit;
++ if (x1205_validate_client(client) < 0) {
++ return -ENODEV;
+ }
+
+- /* I2C client */
+- client->addr = address;
+- client->driver = &x1205_driver;
+- client->adapter = adapter;
+-
+- strlcpy(client->name, x1205_driver.driver.name, I2C_NAME_SIZE);
+-
+- /* Verify the chip is really an X1205 */
+- if (kind < 0) {
+- if (x1205_validate_client(client) < 0) {
+- err = -ENODEV;
+- goto exit_kfree;
+- }
+- }
+-
+- /* Inform the i2c layer */
+- if ((err = i2c_attach_client(client)))
+- goto exit_kfree;
+-
+ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n");
+
+ rtc = rtc_device_register(x1205_driver.driver.name, &client->dev,
+ &x1205_rtc_ops, THIS_MODULE);
+
+- if (IS_ERR(rtc)) {
+- err = PTR_ERR(rtc);
+- goto exit_detach;
+- }
++ if (IS_ERR(rtc))
++ return PTR_ERR(rtc);
+
+ i2c_set_clientdata(client, rtc);
+
+@@ -565,45 +533,35 @@
+ else
+ dev_err(&client->dev, "couldn't read status\n");
+
+- err = device_create_file(&client->dev, &dev_attr_atrim);
+- if (err) goto exit_devreg;
+- err = device_create_file(&client->dev, &dev_attr_dtrim);
+- if (err) goto exit_atrim;
++ err = x1205_sysfs_register(&client->dev);
++ if (err)
++ goto exit_devreg;
+
+ return 0;
+
+-exit_atrim:
+- device_remove_file(&client->dev, &dev_attr_atrim);
+-
+ exit_devreg:
+ rtc_device_unregister(rtc);
+
+-exit_detach:
+- i2c_detach_client(client);
+-
+-exit_kfree:
+- kfree(client);
+-
+-exit:
+ return err;
+ }
+
+-static int x1205_detach(struct i2c_client *client)
++static int x1205_remove(struct i2c_client *client)
+ {
+- int err;
+ struct rtc_device *rtc = i2c_get_clientdata(client);
+
+- if (rtc)
+- rtc_device_unregister(rtc);
+-
+- if ((err = i2c_detach_client(client)))
+- return err;
+-
+- kfree(client);
+-
++ rtc_device_unregister(rtc);
++ x1205_sysfs_unregister(&client->dev);
+ return 0;
+ }
+
++static struct i2c_driver x1205_driver = {
++ .driver = {
++ .name = "rtc-x1205",
++ },
++ .probe = x1205_probe,
++ .remove = x1205_remove,
++};
++
+ static int __init x1205_init(void)
+ {
+ return i2c_add_driver(&x1205_driver);