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mfd: mfd_cell is now implicitly available to mc13xxx drivers

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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.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Andres Salomon 2011-02-17 19:07:23 -08:00 committed by Samuel Ortiz
parent 8615e4cba1
commit 4ec1b54c4d
9 changed files with 39 additions and 40 deletions
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11
arch/arm/mach-imx/mach-mx27_3ds.c
View File

@ -232,10 +232,13 @@ static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
};
/* MC13783 */
static struct mc13xxx_platform_data mc13783_pdata __initdata = {
.regulators = mx27_3ds_regulators,
.num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
.flags = MC13XXX_USE_REGULATOR,
static struct mc13xxx_platform_data mc13783_pdata = {
.regulators = {
.regulators = mx27_3ds_regulators,
.num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
},
.flags = MC13783_USE_REGULATOR,
};
/* SPI */

10
arch/arm/mach-imx/mach-pcm038.c
View File

@ -263,10 +263,12 @@ static struct mc13xxx_regulator_init_data pcm038_regulators[] = {
};
static struct mc13xxx_platform_data pcm038_pmic = {
.regulators = pcm038_regulators,
.num_regulators = ARRAY_SIZE(pcm038_regulators),
.flags = MC13XXX_USE_ADC | MC13XXX_USE_REGULATOR |
MC13XXX_USE_TOUCHSCREEN,
.regulators = {
.regulators = pcm038_regulators,
.num_regulators = ARRAY_SIZE(pcm038_regulators),
},
.flags = MC13783_USE_ADC | MC13783_USE_REGULATOR |
MC13783_USE_TOUCHSCREEN,
};
static struct spi_board_info pcm038_spi_board_info[] __initdata = {

10
arch/arm/mach-mx3/mach-mx31_3ds.c
View File

@ -488,10 +488,12 @@ static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
};
/* MC13783 */
static struct mc13xxx_platform_data mc13783_pdata __initdata = {
.regulators = mx31_3ds_regulators,
.num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
.flags = MC13XXX_USE_REGULATOR | MC13XXX_USE_TOUCHSCREEN
static struct mc13xxx_platform_data mc13783_pdata = {
.regulators = {
.regulators = mx31_3ds_regulators,
.num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
},
.flags = MC13783_USE_REGULATOR | MC13783_USE_TOUCHSCREEN,
};
/* SPI */

6
arch/arm/mach-mx3/mach-mx31moboard.c
View File

@ -268,8 +268,10 @@ static struct mc13783_leds_platform_data moboard_leds = {
};
static struct mc13xxx_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 = MC13XXX_USE_REGULATOR | MC13XXX_USE_RTC |
MC13XXX_USE_ADC | MC13XXX_USE_LED,

7
drivers/leds/leds-mc13783.c
View File

@ -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;

18
drivers/mfd/mc13xxx-core.c
View File

@ -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;
}

7
drivers/regulator/mc13783-regulator.c
View File

@ -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);

7
drivers/regulator/mc13892-regulator.c
View File

@ -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);

3
include/linux/mfd/mc13xxx.h
View File

@ -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;
};