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Subject: media: camss: move to use request_irq by IRQF_NO_AUTOEN flag Author: Tian Tao <[email protected]> Date: Wed Apr 7 08:24:39 2021 +0200 disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable because of requesting. this patch is made base on "add IRQF_NO_AUTOEN for request_irq" which is being merged: https://lore.kernel.org/patchwork/patch/1388765/ Signed-off-by: Tian Tao <[email protected]> Reviewed-by: Robert Foss <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/qcom/camss/camss-csid.c | 5 ++--- drivers/media/platform/qcom/camss/camss-csiphy.c | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-) --- diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index 7e2490ca1ad1..251f4c4afe19 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -581,14 +581,13 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid, snprintf(csid->irq_name, sizeof(csid->irq_name), "%s_%s%d", dev_name(dev), MSM_CSID_NAME, csid->id); ret = devm_request_irq(dev, csid->irq, csid->ops->isr, - IRQF_TRIGGER_RISING, csid->irq_name, csid); + IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN, + csid->irq_name, csid); if (ret < 0) { dev_err(dev, "request_irq failed: %d\n", ret); return ret; } - disable_irq(csid->irq); - /* Clocks */ csid->nclocks = 0; diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c index b623e007aec6..35470cbaea86 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -617,14 +617,13 @@ int msm_csiphy_subdev_init(struct camss *camss, dev_name(dev), MSM_CSIPHY_NAME, csiphy->id); ret = devm_request_irq(dev, csiphy->irq, csiphy->ops->isr, - IRQF_TRIGGER_RISING, csiphy->irq_name, csiphy); + IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN, + csiphy->irq_name, csiphy); if (ret < 0) { dev_err(dev, "request_irq failed: %d\n", ret); return ret; } - disable_irq(csiphy->irq); - /* Clocks */ csiphy->nclocks = 0; _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
