thermal: brcmstb_thermal: Restructure interrupt registration

If we are successful grabbing the interrupt resource, then register an
interrupt handler, this makes it easier to support the interrupt as
being optional, which is it for 7216.

Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200114190607.29339-6-f.fainelli@gmail.com

diff --git a/drivers/thermal/broadcom/brcmstb_thermal.c b/drivers/thermal/broadcom/brcmstb_thermal.c
index 4b328586959f16a911ac5b7d6a64980fa4cf7254..6ded4b9c53be78c1455383bd13dc5b60cd8b7fcd 100644 (file)
--- a/drivers/thermal/broadcom/brcmstb_thermal.c
+++ b/drivers/thermal/broadcom/brcmstb_thermal.c
@@ -343,16 +343,15 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
        priv->thermal = thermal;
 
        irq = platform_get_irq(pdev, 0);
-       if (irq < 0) {
-               dev_err(&pdev->dev, "could not get IRQ\n");
-               return irq;
-       }
-       ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
-                                       brcmstb_tmon_irq_thread, IRQF_ONESHOT,
-                                       DRV_NAME, priv);
-       if (ret < 0) {
-               dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
-               return ret;
+       if (irq >= 0) {
+               ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+                                               brcmstb_tmon_irq_thread,
+                                               IRQF_ONESHOT,
+                                               DRV_NAME, priv);
+               if (ret < 0) {
+                       dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
+                       return ret;
+               }
        }
 
        dev_info(&pdev->dev, "registered AVS TMON of-sensor driver\n");