diff options
Diffstat (limited to 'drivers/media/platform/cec-gpio/cec-gpio.c')
| -rw-r--r-- | drivers/media/platform/cec-gpio/cec-gpio.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/media/platform/cec-gpio/cec-gpio.c b/drivers/media/platform/cec-gpio/cec-gpio.c index d2861749d640..5b17d3a31896 100644 --- a/drivers/media/platform/cec-gpio/cec-gpio.c +++ b/drivers/media/platform/cec-gpio/cec-gpio.c @@ -17,7 +17,6 @@ struct cec_gpio { struct gpio_desc *cec_gpio; int cec_irq; bool cec_is_low; - bool cec_have_irq; struct gpio_desc *hpd_gpio; int hpd_irq; @@ -55,9 +54,6 @@ static void cec_gpio_low(struct cec_adapter *adap) if (cec->cec_is_low) return; - if (WARN_ON_ONCE(cec->cec_have_irq)) - free_irq(cec->cec_irq, cec); - cec->cec_have_irq = false; cec->cec_is_low = true; gpiod_set_value(cec->cec_gpio, 0); } @@ -114,14 +110,7 @@ static bool cec_gpio_enable_irq(struct cec_adapter *adap) { struct cec_gpio *cec = cec_get_drvdata(adap); - if (cec->cec_have_irq) - return true; - - if (request_irq(cec->cec_irq, cec_gpio_irq_handler, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - adap->name, cec)) - return false; - cec->cec_have_irq = true; + enable_irq(cec->cec_irq); return true; } @@ -129,9 +118,7 @@ static void cec_gpio_disable_irq(struct cec_adapter *adap) { struct cec_gpio *cec = cec_get_drvdata(adap); - if (cec->cec_have_irq) - free_irq(cec->cec_irq, cec); - cec->cec_have_irq = false; + disable_irq(cec->cec_irq); } static void cec_gpio_status(struct cec_adapter *adap, struct seq_file *file) @@ -139,8 +126,7 @@ static void cec_gpio_status(struct cec_adapter *adap, struct seq_file *file) struct cec_gpio *cec = cec_get_drvdata(adap); seq_printf(file, "mode: %s\n", cec->cec_is_low ? "low-drive" : "read"); - if (cec->cec_have_irq) - seq_printf(file, "using irq: %d\n", cec->cec_irq); + seq_printf(file, "using irq: %d\n", cec->cec_irq); if (cec->hpd_gpio) seq_printf(file, "hpd: %s\n", cec->hpd_is_high ? "high" : "low"); @@ -215,6 +201,14 @@ static int cec_gpio_probe(struct platform_device *pdev) if (IS_ERR(cec->adap)) return PTR_ERR(cec->adap); + ret = devm_request_irq(dev, cec->cec_irq, cec_gpio_irq_handler, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + cec->adap->name, cec); + if (ret) + return ret; + + cec_gpio_disable_irq(cec->adap); + if (cec->hpd_gpio) { cec->hpd_irq = gpiod_to_irq(cec->hpd_gpio); ret = devm_request_threaded_irq(dev, cec->hpd_irq, |