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mfd: stmpe: Move platform data into MFD driver

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The STMPE platform data is only populated from the device tree
in all existing users, so push the struct and make the OF case
the norm.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Linus Walleij 2016-05-25 14:22:02 +02:00 committed by Lee Jones
parent 59a9b273e3
commit fc1882dcb5
2 changed files with 29 additions and 33 deletions
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40
drivers/mfd/stmpe.c
View File

@ -23,6 +23,27 @@
#include <linux/regulator/consumer.h>
#include "stmpe.h"
/**
* struct stmpe_platform_data - STMPE platform data
* @id: device id to distinguish between multiple STMPEs on the same board
* @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*)
* @irq_trigger: IRQ trigger to use for the interrupt to the host
* @autosleep: bool to enable/disable stmpe autosleep
* @autosleep_timeout: inactivity timeout in milliseconds for autosleep
* @irq_over_gpio: true if gpio is used to get irq
* @irq_gpio: gpio number over which irq will be requested (significant only if
* irq_over_gpio is true)
*/
struct stmpe_platform_data {
int id;
unsigned int blocks;
unsigned int irq_trigger;
bool autosleep;
bool irq_over_gpio;
int irq_gpio;
int autosleep_timeout;
};
static int __stmpe_enable(struct stmpe *stmpe, unsigned int blocks)
{
return stmpe->variant->enable(stmpe, blocks, true);
@ -1187,24 +1208,19 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata,
/* Called from client specific probe routines */
int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum)
{
struct stmpe_platform_data *pdata = dev_get_platdata(ci->dev);
struct stmpe_platform_data *pdata;
struct device_node *np = ci->dev->of_node;
struct stmpe *stmpe;
int ret;
if (!pdata) {
if (!np)
return -EINVAL;
pdata = devm_kzalloc(ci->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
pdata = devm_kzalloc(ci->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
stmpe_of_probe(pdata, np);
stmpe_of_probe(pdata, np);
if (of_find_property(np, "interrupts", NULL) == NULL)
ci->irq = -1;
}
if (of_find_property(np, "interrupts", NULL) == NULL)
ci->irq = -1;
stmpe = devm_kzalloc(ci->dev, sizeof(struct stmpe), GFP_KERNEL);
if (!stmpe)

22
include/linux/mfd/stmpe.h
View File

@ -62,6 +62,7 @@ enum {
struct stmpe_variant_info;
struct stmpe_client_info;
struct stmpe_platform_data;
/**
* struct stmpe - STMPE MFD structure
@ -117,25 +118,4 @@ extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks);
#define STMPE_GPIO_NOREQ_811_TOUCH (0xf0)
/**
* struct stmpe_platform_data - STMPE platform data
* @id: device id to distinguish between multiple STMPEs on the same board
* @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*)
* @irq_trigger: IRQ trigger to use for the interrupt to the host
* @autosleep: bool to enable/disable stmpe autosleep
* @autosleep_timeout: inactivity timeout in milliseconds for autosleep
* @irq_over_gpio: true if gpio is used to get irq
* @irq_gpio: gpio number over which irq will be requested (significant only if
* irq_over_gpio is true)
*/
struct stmpe_platform_data {
int id;
unsigned int blocks;
unsigned int irq_trigger;
bool autosleep;
bool irq_over_gpio;
int irq_gpio;
int autosleep_timeout;
};
#endif