[PATCH 16/29] mc13xxx: mfd_cell is now implicitly available to drivers (v2)

From: Andres Salomon
Date: Thu Feb 17 2011 - 22:11:15 EST

The cell's platform_data is now accessed with a helper function;
change clients to use that, and remove the now-unused data_size.

Note that mfd-core no longer makes a copy of platform_data, but the
mc13xxx-core driver creates the pdata structures on the stack. In
order to get around that, the various ARM mach types that set the
pdata have been changed to hold the variable in static (global) memory.
Also note that __initdata references in aforementioned pdata structs
have been dropped.

v2: add some missing mfd/core.h includes.
v2: embed regulators struct inside of mc13xxx_platform_data rather than
using a pointer.

Signed-off-by: Andres Salomon <dilinger@xxxxxxxxxx>
---
arch/arm/mach-imx/mach-mx27_3ds.c | 9 ++++++---
arch/arm/mach-imx/mach-pcm038.c | 6 ++++--
arch/arm/mach-mx3/mach-mx31_3ds.c | 8 +++++---
arch/arm/mach-mx3/mach-mx31moboard.c | 6 ++++--
drivers/leds/leds-mc13783.c | 7 ++++---
drivers/mfd/mc13xxx-core.c | 18 +++++-------------
drivers/regulator/mc13783-regulator.c | 7 +++----
drivers/regulator/mc13892-regulator.c | 7 +++----
include/linux/mfd/mc13xxx.h | 3 +--
9 files changed, 35 insertions(+), 36 deletions(-)

diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index 1643315..4bf1962 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -227,9 +227,12 @@ static struct mc13783_regulator_init_data mx27_3ds_regulators[] = {
};

/* MC13783 */
-static struct mc13783_platform_data mc13783_pdata __initdata = {
- .regulators = mx27_3ds_regulators,
- .num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
+static struct mc13783_platform_data mc13783_pdata = {
+ .regulators = {
+ .regulators = mx27_3ds_regulators,
+ .num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
+
+ },
.flags = MC13783_USE_REGULATOR,
};

diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c
index 5056148..c4c8fb1 100644
--- a/arch/arm/mach-imx/mach-pcm038.c
+++ b/arch/arm/mach-imx/mach-pcm038.c
@@ -263,8 +263,10 @@ static struct mc13783_regulator_init_data pcm038_regulators[] = {
};

static struct mc13783_platform_data pcm038_pmic = {
- .regulators = pcm038_regulators,
- .num_regulators = ARRAY_SIZE(pcm038_regulators),
+ .regulators = {
+ .regulators = pcm038_regulators,
+ .num_regulators = ARRAY_SIZE(pcm038_regulators),
+ },
.flags = MC13783_USE_ADC | MC13783_USE_REGULATOR |
MC13783_USE_TOUCHSCREEN,
};
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index 0d65db8..88516af 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -156,9 +156,11 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = {
};

/* MC13783 */
-static struct mc13783_platform_data mc13783_pdata __initdata = {
- .regulators = mx31_3ds_regulators,
- .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
+static struct mc13783_platform_data mc13783_pdata = {
+ .regulators = {
+ .regulators = mx31_3ds_regulators,
+ .num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
+ },
.flags = MC13783_USE_REGULATOR | MC13783_USE_TOUCHSCREEN,
};

diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c
index 1aa8d65..3a9c589 100644
--- a/arch/arm/mach-mx3/mach-mx31moboard.c
+++ b/arch/arm/mach-mx3/mach-mx31moboard.c
@@ -268,8 +268,10 @@ static struct mc13783_leds_platform_data moboard_leds = {
};

static struct mc13783_platform_data moboard_pmic = {
- .regulators = moboard_regulators,
- .num_regulators = ARRAY_SIZE(moboard_regulators),
+ .regulators = {
+ .regulators = moboard_regulators,
+ .num_regulators = ARRAY_SIZE(moboard_regulators),
+ },
.leds = &moboard_leds,
.flags = MC13783_USE_REGULATOR | MC13783_USE_RTC |
MC13783_USE_ADC | MC13783_USE_LED,
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index f05bb08..06a5bb4 100644
--- a/drivers/leds/leds-mc13783.c
+++ b/drivers/leds/leds-mc13783.c
@@ -22,6 +22,7 @@
#include <linux/leds.h>
#include <linux/workqueue.h>
#include <linux/mfd/mc13783.h>
+#include <linux/mfd/core.h>
#include <linux/slab.h>

struct mc13783_led {
@@ -183,7 +184,7 @@ static int __devinit mc13783_led_setup(struct mc13783_led *led, int max_current)

static int __devinit mc13783_leds_prepare(struct platform_device *pdev)
{
- struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct mc13783_leds_platform_data *pdata = mfd_get_data(pdev);
struct mc13783 *dev = dev_get_drvdata(pdev->dev.parent);
int ret = 0;
int reg = 0;
@@ -264,7 +265,7 @@ out:

static int __devinit mc13783_led_probe(struct platform_device *pdev)
{
- struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct mc13783_leds_platform_data *pdata = mfd_get_data(pdev);
struct mc13783_led_platform_data *led_cur;
struct mc13783_led *led, *led_dat;
int ret, i;
@@ -351,7 +352,7 @@ err_free:

static int __devexit mc13783_led_remove(struct platform_device *pdev)
{
- struct mc13783_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct mc13783_leds_platform_data *pdata = mfd_get_data(pdev);
struct mc13783_led *led = platform_get_drvdata(pdev);
struct mc13783 *dev = dev_get_drvdata(pdev->dev.parent);
int i;
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index b9fcaf0..30807d3 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -683,14 +683,13 @@ out:
EXPORT_SYMBOL_GPL(mc13783_adc_do_conversion);

static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,
- const char *format, void *pdata, size_t pdata_size)
+ const char *format, void *pdata)
{
char buf[30];
const char *name = mc13xxx_get_chipname(mc13xxx);

struct mfd_cell cell = {
.platform_data = pdata,
- .data_size = pdata_size,
};

/* there is no asnprintf in the kernel :-( */
@@ -706,7 +705,7 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,

static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format)
{
- return mc13xxx_add_subdevice_pdata(mc13xxx, format, NULL, 0);
+ return mc13xxx_add_subdevice_pdata(mc13xxx, format, NULL);
}

static int mc13xxx_probe(struct spi_device *spi)
@@ -764,13 +763,8 @@ err_revision:
mc13xxx_add_subdevice(mc13xxx, "%s-codec");

if (pdata->flags & MC13XXX_USE_REGULATOR) {
- struct mc13xxx_regulator_platform_data regulator_pdata = {
- .num_regulators = pdata->num_regulators,
- .regulators = pdata->regulators,
- };
-
mc13xxx_add_subdevice_pdata(mc13xxx, "%s-regulator",
- &regulator_pdata, sizeof(regulator_pdata));
+ &pdata->regulators);
}

if (pdata->flags & MC13XXX_USE_RTC)
@@ -779,10 +773,8 @@ err_revision:
if (pdata->flags & MC13XXX_USE_TOUCHSCREEN)
mc13xxx_add_subdevice(mc13xxx, "%s-ts");

- if (pdata->flags & MC13XXX_USE_LED) {
- mc13xxx_add_subdevice_pdata(mc13xxx, "%s-led",
- pdata->leds, sizeof(*pdata->leds));
- }
+ if (pdata->flags & MC13XXX_USE_LED)
+ mc13xxx_add_subdevice_pdata(mc13xxx, "%s-led", pdata->leds);

return 0;
}
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index 3e5d0c3..23249cb 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -15,6 +15,7 @@
#include <linux/regulator/driver.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
+#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/err.h>
@@ -336,8 +337,7 @@ static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
{
struct mc13xxx_regulator_priv *priv;
struct mc13xxx *mc13783 = dev_get_drvdata(pdev->dev.parent);
- struct mc13783_regulator_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
+ struct mc13783_regulator_platform_data *pdata = mfd_get_data(pdev);
struct mc13783_regulator_init_data *init_data;
int i, ret;

@@ -381,8 +381,7 @@ err:
static int __devexit mc13783_regulator_remove(struct platform_device *pdev)
{
struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
- struct mc13783_regulator_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
+ struct mc13783_regulator_platform_data *pdata = mfd_get_data(pdev);
int i;

platform_set_drvdata(pdev, NULL);
diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 1b8f739..6f15168 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -15,6 +15,7 @@
#include <linux/regulator/driver.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
+#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/err.h>
@@ -520,8 +521,7 @@ static int __devinit mc13892_regulator_probe(struct platform_device *pdev)
{
struct mc13xxx_regulator_priv *priv;
struct mc13xxx *mc13892 = dev_get_drvdata(pdev->dev.parent);
- struct mc13xxx_regulator_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
+ struct mc13xxx_regulator_platform_data *pdata = mfd_get_data(pdev);
struct mc13xxx_regulator_init_data *init_data;
int i, ret;
u32 val;
@@ -595,8 +595,7 @@ err_free:
static int __devexit mc13892_regulator_remove(struct platform_device *pdev)
{
struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
- struct mc13xxx_regulator_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
+ struct mc13xxx_regulator_platform_data *pdata = mfd_get_data(pdev);
int i;

platform_set_drvdata(pdev, NULL);
diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h
index a1d391b..c064bea 100644
--- a/include/linux/mfd/mc13xxx.h
+++ b/include/linux/mfd/mc13xxx.h
@@ -146,8 +146,7 @@ struct mc13xxx_platform_data {
#define MC13XXX_USE_LED (1 << 5)
unsigned int flags;

- int num_regulators;
- struct mc13xxx_regulator_init_data *regulators;
+ struct mc13xxx_regulator_platform_data regulators;
struct mc13xxx_leds_platform_data *leds;
};

--
1.7.2.3

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