[PATCH v2 0/5] drm: Use IRQF_NO_AUTOEN flag in request_irq()
Jinjie Ruan
ruanjinjie at huawei.com
Thu Sep 12 01:30:15 PDT 2024
As commit cbe16f35bee6 ("genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()")
said, reqeust_irq() and then disable_irq() is unsafe. In the small time gap
between request_irq() and disable_irq(), interrupts can still come.
IRQF_NO_AUTOEN flag can be used by drivers to request_irq(). It prevents
the automatic enabling of the requested interrupt in the same
safe way. With that the usage can be simplified and corrected.
Compile-tested only.
Changes in v2:
- Correct the commit subject.
- Add reviewed-by.
Jinjie Ruan (5):
drm/imx: Use IRQF_NO_AUTOEN flag in request_irq()
drm/imx/dcss: Use IRQF_NO_AUTOEN flag in request_irq()
drm/imx/ipuv3: Use IRQF_NO_AUTOEN flag in request_irq()
drm/tegra: dpaux: Use IRQF_NO_AUTOEN flag in request_irq()
drm/msm/adreno: Use IRQF_NO_AUTOEN flag in request_irq()
drivers/gpu/drm/imx/dcss/dcss-crtc.c | 6 ++----
drivers/gpu/drm/imx/dcss/dcss-dtg.c | 4 +---
drivers/gpu/drm/imx/ipuv3/ipuv3-crtc.c | 6 ++----
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 4 +---
drivers/gpu/drm/tegra/dpaux.c | 4 +---
5 files changed, 7 insertions(+), 17 deletions(-)
--
2.34.1
More information about the linux-arm-kernel
mailing list