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From: Todd Fischer on 26 Mar 2010 16:50
Need mfd structure that can hold pointers to sub-driver initialization
and run time data.

Signed-off-by: Todd Fischer <todd.fischer(a)ridgerun.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 7 ++++++-
drivers/regulator/tps6507x-regulator.c | 12 +++++++++++-
include/linux/mfd/tps6507x.h | 11 +++++++++++
3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 411284d..d059924 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -17,6 +17,7 @@
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/i2c/pca953x.h>
+#include <linux/mfd/tps6507x.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
@@ -533,10 +534,14 @@ struct regulator_init_data tps65070_regulator_data[] = {
},
};

+static struct tps6507x_board tps_board = {
+ .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
+};
+
static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
{
I2C_BOARD_INFO("tps6507x", 0x48),
- .platform_data = &tps65070_regulator_data[0],
+ .platform_data = &tps_board,
},
};

diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 91172e3..27f4e7a 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -488,6 +488,7 @@ static int __devinit tps_6507x_probe(struct i2c_client *client,
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
struct tps_pmic *tps;
+ struct tps6507x_board *tps_board;
int i;
int error;

@@ -496,10 +497,19 @@ static int __devinit tps_6507x_probe(struct i2c_client *client,
return -EIO;

/**
+ * tps_board points to pmic related constants
+ * coming from the board-evm file.
+ */
+
+ tps_board = (struct tps6507x_board *)client->dev.platform_data;
+ if (!tps_board)
+ return -EIO;
+
+ /**
* init_data points to array of regulator_init structures
* coming from the board-evm file.
*/
- init_data = client->dev.platform_data;
+ init_data = tps_board->tps6507x_pmic_init_data;
if (!init_data)
return -EIO;

diff --git a/include/linux/mfd/tps6507x.h b/include/linux/mfd/tps6507x.h
index 155bee1..fd73af5 100644
--- a/include/linux/mfd/tps6507x.h
+++ b/include/linux/mfd/tps6507x.h
@@ -131,4 +131,15 @@
/* VDCDC MASK */
#define TPS6507X_DEFDCDCX_DCDC_MASK 0X3F

+/**
+ * struct tps6507x_board - packages regulator and touchscreen init data
+ * @tps6507x_regulator_data: regulator initialization values
+ *
+ * Board data may be used to initialize regulator and touchscreen.
+ */
+
+struct tps6507x_board {
+ struct regulator_init_data *tps6507x_pmic_init_data;
+};
+
#endif /* __LINUX_MFD_TPS6507X_H */
--
1.6.0.4

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Prev: free_early_partial() should permit start == end
Next: [PATCH] Protect prefetch macro arguments.