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@@ -49,13 +49,13 @@ static void gpio_led_set(struct led_classdev *led_cdev,
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if (led_dat->active_low)
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level = !level;
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- /* setting GPIOs with I2C/etc requires a preemptible task context */
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+ /* Setting GPIOs with I2C/etc requires a task context, and we don't
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+ * seem to have a reliable way to know if we're already in one; so
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+ * let's just assume the worst.
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+ */
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if (led_dat->can_sleep) {
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- if (preempt_count()) {
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- led_dat->new_level = level;
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- schedule_work(&led_dat->work);
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- } else
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- gpio_set_value_cansleep(led_dat->gpio, level);
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+ led_dat->new_level = level;
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+ schedule_work(&led_dat->work);
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} else
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gpio_set_value(led_dat->gpio, level);
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}
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@@ -79,6 +79,10 @@ static int gpio_led_probe(struct platform_device *pdev)
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cur_led = &pdata->leds[i];
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led_dat = &leds_data[i];
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+ ret = gpio_request(cur_led->gpio, cur_led->name);
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+ if (ret < 0)
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+ goto err;
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+
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led_dat->cdev.name = cur_led->name;
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led_dat->cdev.default_trigger = cur_led->default_trigger;
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led_dat->gpio = cur_led->gpio;
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@@ -87,10 +91,6 @@ static int gpio_led_probe(struct platform_device *pdev)
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led_dat->cdev.brightness_set = gpio_led_set;
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led_dat->cdev.brightness = LED_OFF;
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- ret = gpio_request(led_dat->gpio, led_dat->cdev.name);
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- if (ret < 0)
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- goto err;
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-
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gpio_direction_output(led_dat->gpio, led_dat->active_low);
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INIT_WORK(&led_dat->work, gpio_led_work);
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