add ixp4xx 2.6.25 patchset

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10891 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 193 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.25/011-rtc_pcf8563_new_style.patch b/target/linux/ixp4xx/patches-2.6.25/011-rtc_pcf8563_new_style.patch
new file mode 100644
index 000000000..54b244c5f
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.25/011-rtc_pcf8563_new_style.patch
@@ -0,0 +1,193 @@
+---
+ drivers/rtc/rtc-pcf8563.c |  109 +++++++++++++---------------------------------
+ 1 file changed, 32 insertions(+), 77 deletions(-)
+
+Index: linux-2.6.25-rc6-armeb/drivers/rtc/rtc-pcf8563.c
+===================================================================
+--- linux-2.6.25-rc6-armeb.orig/drivers/rtc/rtc-pcf8563.c	2008-03-20 10:26:43.000000000 +1030
++++ linux-2.6.25-rc6-armeb/drivers/rtc/rtc-pcf8563.c	2008-03-20 10:26:51.000000000 +1030
+@@ -18,17 +18,7 @@
+ #include <linux/bcd.h>
+ #include <linux/rtc.h>
+ 
+-#define DRV_VERSION "0.4.2"
+-
+-/* Addresses to scan: none
+- * This chip cannot be reliably autodetected. An empty eeprom
+- * located at 0x51 will pass the validation routine due to
+- * the way the registers are implemented.
+- */
+-static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
+-
+-/* Module parameters */
+-I2C_CLIENT_INSMOD;
++#define DRV_VERSION "0.4.3"
+ 
+ #define PCF8563_REG_ST1		0x00 /* status */
+ #define PCF8563_REG_ST2		0x01
+@@ -53,8 +43,10 @@
+ #define PCF8563_SC_LV		0x80 /* low voltage */
+ #define PCF8563_MO_C		0x80 /* century */
+ 
++static struct i2c_driver pcf8563_driver;
++
+ struct pcf8563 {
+-	struct i2c_client client;
++	struct rtc_device *rtc;
+ 	/*
+ 	 * The meaning of MO_C bit varies by the chip type.
+ 	 * From PCF8563 datasheet: this bit is toggled when the years
+@@ -72,16 +64,13 @@
+ 	int c_polarity;	/* 0: MO_C=1 means 19xx, otherwise MO_C=1 means 20xx */
+ };
+ 
+-static int pcf8563_probe(struct i2c_adapter *adapter, int address, int kind);
+-static int pcf8563_detach(struct i2c_client *client);
+-
+ /*
+  * In the routines that deal directly with the pcf8563 hardware, we use
+  * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch.
+  */
+ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
+ {
+-	struct pcf8563 *pcf8563 = container_of(client, struct pcf8563, client);
++	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);
+ 	unsigned char buf[13] = { PCF8563_REG_ST1 };
+ 
+ 	struct i2c_msg msgs[] = {
+@@ -138,7 +127,7 @@
+ 
+ static int pcf8563_set_datetime(struct i2c_client *client, struct rtc_time *tm)
+ {
+-	struct pcf8563 *pcf8563 = container_of(client, struct pcf8563, client);
++	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);
+ 	int i, err;
+ 	unsigned char buf[9];
+ 
+@@ -257,100 +246,66 @@
+ 	.set_time	= pcf8563_rtc_set_time,
+ };
+ 
+-static int pcf8563_attach(struct i2c_adapter *adapter)
+-{
+-	return i2c_probe(adapter, &addr_data, pcf8563_probe);
+-}
+-
+-static struct i2c_driver pcf8563_driver = {
+-	.driver		= {
+-		.name	= "pcf8563",
+-	},
+-	.id		= I2C_DRIVERID_PCF8563,
+-	.attach_adapter = &pcf8563_attach,
+-	.detach_client	= &pcf8563_detach,
+-};
+-
+-static int pcf8563_probe(struct i2c_adapter *adapter, int address, int kind)
++static int pcf8563_probe(struct i2c_client *client)
+ {
+ 	struct pcf8563 *pcf8563;
+-	struct i2c_client *client;
+-	struct rtc_device *rtc;
+ 
+ 	int err = 0;
+ 
+-	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 (!(pcf8563 = kzalloc(sizeof(struct pcf8563), GFP_KERNEL))) {
+-		err = -ENOMEM;
+-		goto exit;
+-	}
+-
+-	client = &pcf8563->client;
+-	client->addr = address;
+-	client->driver = &pcf8563_driver;
+-	client->adapter	= adapter;
+-
+-	strlcpy(client->name, pcf8563_driver.driver.name, I2C_NAME_SIZE);
++	if (!(pcf8563 = kzalloc(sizeof(struct pcf8563), GFP_KERNEL)))
++		return -ENOMEM;
+ 
+ 	/* Verify the chip is really an PCF8563 */
+-	if (kind < 0) {
+-		if (pcf8563_validate_client(client) < 0) {
+-			err = -ENODEV;
+-			goto exit_kfree;
+-		}
+-	}
+-
+-	/* Inform the i2c layer */
+-	if ((err = i2c_attach_client(client)))
++	if (pcf8563_validate_client(client) < 0) {
++		err = -ENODEV;
+ 		goto exit_kfree;
++	}
+ 
+ 	dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n");
+ 
+-	rtc = rtc_device_register(pcf8563_driver.driver.name, &client->dev,
++	pcf8563->rtc = rtc_device_register(pcf8563_driver.driver.name, &client->dev,
+ 				&pcf8563_rtc_ops, THIS_MODULE);
+ 
+-	if (IS_ERR(rtc)) {
+-		err = PTR_ERR(rtc);
+-		goto exit_detach;
++	if (IS_ERR(pcf8563->rtc)) {
++		err = PTR_ERR(pcf8563->rtc);
++		goto exit_kfree;
+ 	}
+ 
+-	i2c_set_clientdata(client, rtc);
++	i2c_set_clientdata(client, pcf8563);
+ 
+ 	return 0;
+ 
+-exit_detach:
+-	i2c_detach_client(client);
+-
+ exit_kfree:
+ 	kfree(pcf8563);
+ 
+-exit:
+ 	return err;
+ }
+ 
+-static int pcf8563_detach(struct i2c_client *client)
++static int pcf8563_remove(struct i2c_client *client)
+ {
+-	struct pcf8563 *pcf8563 = container_of(client, struct pcf8563, client);
+-	int err;
+-	struct rtc_device *rtc = i2c_get_clientdata(client);
++	struct pcf8563 *pcf8563 = i2c_get_clientdata(client);
+ 
+-	if (rtc)
+-		rtc_device_unregister(rtc);
+-
+-	if ((err = i2c_detach_client(client)))
+-		return err;
++	if (pcf8563->rtc)
++		rtc_device_unregister(pcf8563->rtc);
+ 
+ 	kfree(pcf8563);
+ 
+ 	return 0;
+ }
+ 
++static struct i2c_driver pcf8563_driver = {
++	.driver		= {
++		.name	= "rtc-pcf8563",
++	},
++	.probe		= pcf8563_probe,
++	.remove		= pcf8563_remove,
++};
++
+ static int __init pcf8563_init(void)
+ {
+ 	return i2c_add_driver(&pcf8563_driver);