One simple fix to correctly handle -EPROBE_DEFER
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commit
30a7266f30
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@ -274,6 +274,10 @@ static int pwm_backlight_probe(struct platform_device *pdev)
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pb->pwm = devm_pwm_get(&pdev->dev, NULL);
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pb->pwm = devm_pwm_get(&pdev->dev, NULL);
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if (IS_ERR(pb->pwm)) {
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if (IS_ERR(pb->pwm)) {
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ret = PTR_ERR(pb->pwm);
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if (ret == -EPROBE_DEFER)
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goto err_alloc;
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dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n");
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dev_err(&pdev->dev, "unable to request PWM, trying legacy API\n");
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pb->legacy = true;
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pb->legacy = true;
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pb->pwm = pwm_request(data->pwm_id, "pwm-backlight");
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pb->pwm = pwm_request(data->pwm_id, "pwm-backlight");
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