Convert MPC i2c driver from being a platform_driver to an open firmware
version. Error returns were improved. Routine names were changed from fsl_ to
mpc_ to make them match the file name.
Signed-off-by: Jon Smirl [EMAIL PROTECTED]
---
arch/powerpc/sysdev/fsl_soc.c | 96 --
drivers/i2c/busses/i2c-mpc.c | 183 -
2 files changed, 180 insertions(+), 99 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 94e5c73..d6ef264 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -318,102 +318,6 @@ err:
arch_initcall(gfar_of_init);
-#ifdef CONFIG_I2C_BOARDINFO
-#include linux/i2c.h
-
-static void __init of_register_i2c_devices(struct device_node *adap_node,
- int bus_num)
-{
- struct device_node *node = NULL;
- const char *compatible;
-
- while ((node = of_get_next_child(adap_node, node))) {
- struct i2c_board_info info = {};
- const u32 *addr;
- int len;
-
- addr = of_get_property(node, reg, len);
- if (!addr || len sizeof(int) || *addr (1 10) - 1) {
- printk(KERN_WARNING fsl_soc.c: invalid i2c device
entry\n);
- continue;
- }
-
- info.irq = irq_of_parse_and_map(node, 0);
- if (info.irq == NO_IRQ)
- info.irq = -1;
-
- compatible = of_get_property(node, compatible, len);
- if (!compatible) {
- printk(KERN_WARNING i2c-mpc.c: invalid entry, missing
compatible attribute\n);
- continue;
- }
- strncpy(info.type, compatible, sizeof(info.type));
-
- info.addr = *addr;
-
- i2c_register_board_info(bus_num, info, 1);
- }
-}
-
-static int __init fsl_i2c_of_init(void)
-{
- struct device_node *np;
- unsigned int i;
- struct platform_device *i2c_dev;
- int ret;
-
- for (np = NULL, i = 0;
-(np = of_find_compatible_node(np, i2c, fsl-i2c)) != NULL;
-i++) {
- struct resource r[2];
- struct fsl_i2c_platform_data i2c_data;
- const unsigned char *flags = NULL;
-
- memset(r, 0, sizeof(r));
- memset(i2c_data, 0, sizeof(i2c_data));
-
- ret = of_address_to_resource(np, 0, r[0]);
- if (ret)
- goto err;
-
- of_irq_to_resource(np, 0, r[1]);
-
- i2c_dev = platform_device_register_simple(fsl-i2c, i, r, 2);
- if (IS_ERR(i2c_dev)) {
- ret = PTR_ERR(i2c_dev);
- goto err;
- }
-
- i2c_data.device_flags = 0;
- flags = of_get_property(np, dfsrr, NULL);
- if (flags)
- i2c_data.device_flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
-
- flags = of_get_property(np, fsl5200-clocking, NULL);
- if (flags)
- i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
-
- ret =
- platform_device_add_data(i2c_dev, i2c_data,
-sizeof(struct
- fsl_i2c_platform_data));
- if (ret)
- goto unreg;
-
- of_register_i2c_devices(np, i);
- }
-
- return 0;
-
-unreg:
- platform_device_unregister(i2c_dev);
-err:
- return ret;
-}
-
-arch_initcall(fsl_i2c_of_init);
-#endif
-
#ifdef CONFIG_PPC_83xx
static int __init mpc83xx_wdt_init(void)
{
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 7c35a8f..91fa73c 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -17,7 +17,7 @@
#include linux/module.h
#include linux/sched.h
#include linux/init.h
-#include linux/platform_device.h
+#include linux/of_platform.h
#include asm/io.h
#include linux/fsl_devices.h
@@ -25,13 +25,13 @@
#include linux/interrupt.h
#include linux/delay.h
-#define MPC_I2C_ADDR 0x00
+#define DRV_NAME mpc-i2c
+
#define MPC_I2C_FDR0x04
#define MPC_I2C_CR 0x08
#define MPC_I2C_SR 0x0c
#define MPC_I2C_DR 0x10
#define MPC_I2C_DFSRR 0x14
-#define MPC_I2C_REGION 0x20
#define CCR_MEN 0x80
#define CCR_MIEN 0x40
@@ -316,6 +316,181 @@ static struct i2c_adapter mpc_ops = {
.retries = 1
};
+struct i2c_driver_device {
+ char*of_device;
+ char*i2c_driver;
+ char*i2c_type;
+};
+
+#ifdef CONFIG_PPC_MERGE
+
+static void of_register_i2c_devices(struct i2c_adapter *adap, struct
device_node *adap_node)
+{
+ struct device_node *node = NULL;
+
+ while ((node = of_get_next_child(adap_node, node))) {
+ struct
