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Merge branch 'rfkill-gpio-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

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This commit is contained in:
John W. Linville 2014-05-06 14:43:34 -04:00
commit 68b422db3d
3 changed files with 10 additions and 44 deletions
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4
arch/arm/mach-tegra/board-paz00.c
View File

@ -23,9 +23,7 @@
#include "board.h"
static struct rfkill_gpio_platform_data wifi_rfkill_platform_data = {
.name = "wifi_rfkill",
.reset_gpio = 25, /* PD1 */
.shutdown_gpio = 85, /* PK5 */
.name = "wifi_rfkill",
.type = RFKILL_TYPE_WLAN,
};

10
include/linux/rfkill-gpio.h
View File

@ -27,21 +27,11 @@
* struct rfkill_gpio_platform_data - platform data for rfkill gpio device.
* for unused gpio's, the expected value is -1.
* @name: name for the gpio rf kill instance
* @reset_gpio: GPIO which is used for reseting rfkill switch
* @shutdown_gpio: GPIO which is used for shutdown of rfkill switch
* @power_clk_name: [optional] name of clk to turn off while blocked
* @gpio_runtime_close: clean up platform specific gpio configuration
* @gpio_runtime_setup: set up platform specific gpio configuration
*/
struct rfkill_gpio_platform_data {
char *name;
int reset_gpio;
int shutdown_gpio;
const char *power_clk_name;
enum rfkill_type type;
void (*gpio_runtime_close)(struct platform_device *);
int (*gpio_runtime_setup)(struct platform_device *);
};
#endif /* __RFKILL_GPIO_H */

40
net/rfkill/rfkill-gpio.c
View File

@ -36,8 +36,6 @@ struct rfkill_gpio_data {
struct gpio_desc *shutdown_gpio;
struct rfkill *rfkill_dev;
char *reset_name;
char *shutdown_name;
struct clk *clk;
bool clk_enabled;
@ -87,10 +85,8 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
{
struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data;
struct rfkill_gpio_data *rfkill;
const char *clk_name = NULL;
struct gpio_desc *gpio;
int ret;
int len;
rfkill = devm_kzalloc(&pdev->dev, sizeof(*rfkill), GFP_KERNEL);
if (!rfkill)
@ -101,28 +97,15 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
if (ret)
return ret;
} else if (pdata) {
clk_name = pdata->power_clk_name;
rfkill->name = pdata->name;
rfkill->type = pdata->type;
} else {
return -ENODEV;
}
len = strlen(rfkill->name);
rfkill->reset_name = devm_kzalloc(&pdev->dev, len + 7, GFP_KERNEL);
if (!rfkill->reset_name)
return -ENOMEM;
rfkill->clk = devm_clk_get(&pdev->dev, NULL);
rfkill->shutdown_name = devm_kzalloc(&pdev->dev, len + 10, GFP_KERNEL);
if (!rfkill->shutdown_name)
return -ENOMEM;
snprintf(rfkill->reset_name, len + 6 , "%s_reset", rfkill->name);
snprintf(rfkill->shutdown_name, len + 9, "%s_shutdown", rfkill->name);
rfkill->clk = devm_clk_get(&pdev->dev, clk_name);
gpio = devm_gpiod_get_index(&pdev->dev, rfkill->reset_name, 0);
gpio = devm_gpiod_get_index(&pdev->dev, "reset", 0);
if (!IS_ERR(gpio)) {
ret = gpiod_direction_output(gpio, 0);
if (ret)
@ -130,7 +113,7 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
rfkill->reset_gpio = gpio;
}
gpio = devm_gpiod_get_index(&pdev->dev, rfkill->shutdown_name, 1);
gpio = devm_gpiod_get_index(&pdev->dev, "shutdown", 1);
if (!IS_ERR(gpio)) {
ret = gpiod_direction_output(gpio, 0);
if (ret)
@ -146,14 +129,6 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
return -EINVAL;
}
if (pdata && pdata->gpio_runtime_setup) {
ret = pdata->gpio_runtime_setup(pdev);
if (ret) {
dev_err(&pdev->dev, "can't set up gpio\n");
return ret;
}
}
rfkill->rfkill_dev = rfkill_alloc(rfkill->name, &pdev->dev,
rfkill->type, &rfkill_gpio_ops,
rfkill);
@ -174,20 +149,23 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
static int rfkill_gpio_remove(struct platform_device *pdev)
{
struct rfkill_gpio_data *rfkill = platform_get_drvdata(pdev);
struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data;
if (pdata && pdata->gpio_runtime_close)
pdata->gpio_runtime_close(pdev);
rfkill_unregister(rfkill->rfkill_dev);
rfkill_destroy(rfkill->rfkill_dev);
return 0;
}
#ifdef CONFIG_ACPI
static const struct acpi_device_id rfkill_acpi_match[] = {
{ "BCM2E1A", RFKILL_TYPE_BLUETOOTH },
{ "BCM2E39", RFKILL_TYPE_BLUETOOTH },
{ "BCM2E3D", RFKILL_TYPE_BLUETOOTH },
{ "BCM4752", RFKILL_TYPE_GPS },
{ "LNV4752", RFKILL_TYPE_GPS },
{ },
};
#endif
static struct platform_driver rfkill_gpio_driver = {
.probe = rfkill_gpio_probe,