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authorSebastian Reichel <sre@debian.org>2014-02-15 00:05:53 +0100
committerJohn W. Linville <linville@tuxdriver.com>2014-02-28 14:08:26 -0500
commit1d207cd30b65fdd60d952cb9e100b6f776564f06 (patch)
treed7da13786239fa133a95c7cb0452877a9e2763d9 /drivers/net/wireless/ti/wl1251/sdio.c
parentwl1251: split wl251 platform data to a separate structure (diff)
downloadlinux-dev-1d207cd30b65fdd60d952cb9e100b6f776564f06.tar.xz
linux-dev-1d207cd30b65fdd60d952cb9e100b6f776564f06.zip
wl1251: move power GPIO handling into the driver
Move the power GPIO handling from the board code into the driver. This is a dependency for device tree support. Signed-off-by: Sebastian Reichel <sre@debian.org> Reviewed-by: Pavel Machek <pavel@ucw.cz> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl1251/sdio.c')
-rw-r--r--drivers/net/wireless/ti/wl1251/sdio.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c
index b75a37a58313..b661f896e9fe 100644
--- a/drivers/net/wireless/ti/wl1251/sdio.c
+++ b/drivers/net/wireless/ti/wl1251/sdio.c
@@ -28,6 +28,7 @@
#include <linux/wl12xx.h>
#include <linux/irq.h>
#include <linux/pm_runtime.h>
+#include <linux/gpio.h>
#include "wl1251.h"
@@ -182,8 +183,9 @@ static int wl1251_sdio_set_power(struct wl1251 *wl, bool enable)
* callback in case it wants to do any additional setup,
* for example enabling clock buffer for the module.
*/
- if (wl->set_power)
- wl->set_power(true);
+ if (gpio_is_valid(wl->power_gpio))
+ gpio_set_value(wl->power_gpio, true);
+
ret = pm_runtime_get_sync(&func->dev);
if (ret < 0) {
@@ -203,8 +205,8 @@ static int wl1251_sdio_set_power(struct wl1251 *wl, bool enable)
if (ret < 0)
goto out;
- if (wl->set_power)
- wl->set_power(false);
+ if (gpio_is_valid(wl->power_gpio))
+ gpio_set_value(wl->power_gpio, false);
}
out:
@@ -256,11 +258,20 @@ static int wl1251_sdio_probe(struct sdio_func *func,
wl1251_board_data = wl1251_get_platform_data();
if (!IS_ERR(wl1251_board_data)) {
- wl->set_power = wl1251_board_data->set_power;
+ wl->power_gpio = wl1251_board_data->power_gpio;
wl->irq = wl1251_board_data->irq;
wl->use_eeprom = wl1251_board_data->use_eeprom;
}
+ if (gpio_is_valid(wl->power_gpio)) {
+ ret = devm_gpio_request(&func->dev, wl->power_gpio,
+ "wl1251 power");
+ if (ret) {
+ wl1251_error("Failed to request gpio: %d\n", ret);
+ goto disable;
+ }
+ }
+
if (wl->irq) {
irq_set_status_flags(wl->irq, IRQ_NOAUTOEN);
ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl);