diff options
Diffstat (limited to 'drivers/net/wireless/ti/wl1251/spi.c')
-rw-r--r-- | drivers/net/wireless/ti/wl1251/spi.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/net/wireless/ti/wl1251/spi.c b/drivers/net/wireless/ti/wl1251/spi.c index 62403a14759..6abcbc3f7fc 100644 --- a/drivers/net/wireless/ti/wl1251/spi.c +++ b/drivers/net/wireless/ti/wl1251/spi.c @@ -26,6 +26,7 @@ #include <linux/crc7.h> #include <linux/spi/spi.h> #include <linux/wl12xx.h> +#include <linux/gpio.h> #include "wl1251.h" #include "reg.h" @@ -221,8 +222,8 @@ static void wl1251_spi_disable_irq(struct wl1251 *wl) static int wl1251_spi_set_power(struct wl1251 *wl, bool enable) { - if (wl->set_power) - wl->set_power(enable); + if (gpio_is_valid(wl->power_gpio)) + gpio_set_value(wl->power_gpio, enable); return 0; } @@ -271,22 +272,33 @@ static int wl1251_spi_probe(struct spi_device *spi) goto out_free; } - wl->set_power = pdata->set_power; - if (!wl->set_power) { - wl1251_error("set power function missing in platform data"); - return -ENODEV; + wl->power_gpio = pdata->power_gpio; + + if (gpio_is_valid(wl->power_gpio)) { + ret = devm_gpio_request_one(&spi->dev, wl->power_gpio, + GPIOF_OUT_INIT_LOW, "wl1251 power"); + if (ret) { + wl1251_error("Failed to request gpio: %d\n", ret); + goto out_free; + } + } else { + wl1251_error("set power gpio missing in platform data"); + ret = -ENODEV; + goto out_free; } wl->irq = spi->irq; if (wl->irq < 0) { wl1251_error("irq missing in platform data"); - return -ENODEV; + ret = -ENODEV; + goto out_free; } wl->use_eeprom = pdata->use_eeprom; irq_set_status_flags(wl->irq, IRQ_NOAUTOEN); - ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl); + ret = devm_request_irq(&spi->dev, wl->irq, wl1251_irq, 0, + DRIVER_NAME, wl); if (ret < 0) { wl1251_error("request_irq() failed: %d", ret); goto out_free; @@ -296,13 +308,10 @@ static int wl1251_spi_probe(struct spi_device *spi) ret = wl1251_init_ieee80211(wl); if (ret) - goto out_irq; + goto out_free; return 0; - out_irq: - free_irq(wl->irq, wl); - out_free: ieee80211_free_hw(hw); |