diff options
Diffstat (limited to 'net/rfkill/rfkill-gpio.c')
| -rw-r--r-- | net/rfkill/rfkill-gpio.c | 35 |
1 files changed, 8 insertions, 27 deletions
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index 0705806..1d104e7 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -27,24 +27,13 @@ #include <linux/rfkill-gpio.h> -enum rfkill_gpio_clk_state { - UNSPECIFIED = 0, - PWR_ENABLED, - PWR_DISABLED -}; - -#define PWR_CLK_SET(_RF, _EN) \ - ((_RF)->pwr_clk_enabled = (!(_EN) ? PWR_ENABLED : PWR_DISABLED)) -#define PWR_CLK_ENABLED(_RF) ((_RF)->pwr_clk_enabled == PWR_ENABLED) -#define PWR_CLK_DISABLED(_RF) ((_RF)->pwr_clk_enabled != PWR_ENABLED) - struct rfkill_gpio_data { struct rfkill_gpio_platform_data *pdata; struct rfkill *rfkill_dev; char *reset_name; char *shutdown_name; - enum rfkill_gpio_clk_state pwr_clk_enabled; - struct clk *pwr_clk; + struct clk *clk; + bool clk_enabled; }; static int rfkill_gpio_set_power(void *data, bool blocked) @@ -56,19 +45,18 @@ static int rfkill_gpio_set_power(void *data, bool blocked) gpio_direction_output(rfkill->pdata->shutdown_gpio, 0); if (gpio_is_valid(rfkill->pdata->reset_gpio)) gpio_direction_output(rfkill->pdata->reset_gpio, 0); - if (rfkill->pwr_clk && PWR_CLK_ENABLED(rfkill)) - clk_disable(rfkill->pwr_clk); + if (!IS_ERR(rfkill->clk) && rfkill->clk_enabled) + clk_disable(rfkill->clk); } else { - if (rfkill->pwr_clk && PWR_CLK_DISABLED(rfkill)) - clk_enable(rfkill->pwr_clk); + if (!IS_ERR(rfkill->clk) && !rfkill->clk_enabled) + clk_enable(rfkill->clk); if (gpio_is_valid(rfkill->pdata->reset_gpio)) gpio_direction_output(rfkill->pdata->reset_gpio, 1); if (gpio_is_valid(rfkill->pdata->shutdown_gpio)) gpio_direction_output(rfkill->pdata->shutdown_gpio, 1); } - if (rfkill->pwr_clk) - PWR_CLK_SET(rfkill, blocked); + rfkill->clk_enabled = blocked; return 0; } @@ -123,14 +111,7 @@ static int rfkill_gpio_probe(struct platform_device *pdev) snprintf(rfkill->reset_name, len + 6 , "%s_reset", pdata->name); snprintf(rfkill->shutdown_name, len + 9, "%s_shutdown", pdata->name); - if (pdata->power_clk_name) { - rfkill->pwr_clk = devm_clk_get(&pdev->dev, - pdata->power_clk_name); - if (IS_ERR(rfkill->pwr_clk)) { - pr_warn("%s: can't find pwr_clk.\n", __func__); - return PTR_ERR(rfkill->pwr_clk); - } - } + rfkill->clk = devm_clk_get(&pdev->dev, pdata->power_clk_name); if (gpio_is_valid(pdata->reset_gpio)) { ret = devm_gpio_request(&pdev->dev, pdata->reset_gpio, |