diff options
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/qcom/icc-bwmon.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c index ecddb60bd6..e785197408 100644 --- a/drivers/soc/qcom/icc-bwmon.c +++ b/drivers/soc/qcom/icc-bwmon.c @@ -783,9 +783,14 @@ static int bwmon_probe(struct platform_device *pdev) bwmon->dev = dev; bwmon_disable(bwmon); - ret = devm_request_threaded_irq(dev, bwmon->irq, bwmon_intr, - bwmon_intr_thread, - IRQF_ONESHOT, dev_name(dev), bwmon); + + /* + * SoCs with multiple cpu-bwmon instances can end up using a shared interrupt + * line. Using the devm_ variant might result in the IRQ handler being executed + * after bwmon_disable in bwmon_remove() + */ + ret = request_threaded_irq(bwmon->irq, bwmon_intr, bwmon_intr_thread, + IRQF_ONESHOT | IRQF_SHARED, dev_name(dev), bwmon); if (ret) return dev_err_probe(dev, ret, "failed to request IRQ\n"); @@ -800,6 +805,7 @@ static void bwmon_remove(struct platform_device *pdev) struct icc_bwmon *bwmon = platform_get_drvdata(pdev); bwmon_disable(bwmon); + free_irq(bwmon->irq, bwmon); } static const struct icc_bwmon_data msm8998_bwmon_data = { |