mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-16 16:01:44 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/vc4: platform_get_irq_byname() returns an int

Browse Source 
platform_get_irq_byname() will return a negative value if an error
happens, so it should be checked and not just passed directly into
devm_request_threaded_irq() hoping all will be ok.

Cc: Maxime Ripard <mripard@kernel.org>
Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: Maíra Canal <mcanal@igalia.com>
Cc: Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: stable <stable@kernel.org>
Assisted-by: gkh_clanker_2000
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/2026022339-cornflake-t-shirt-2471@gregkh
Signed-off-by: Maíra Canal <mcanal@igalia.com>
This commit is contained in:
Greg Kroah-Hartman
2026-02-23 16:53:39 +01:00
committed by Maíra Canal
parent 21613f67ed
commit e597a809a2
1 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/vc4/vc4_hdmi.c
View File

@@ -2449,17 +2449,23 @@ static int vc4_hdmi_hotplug_init(struct vc4_hdmi *vc4_hdmi)
int ret;
if (vc4_hdmi->variant->external_irq_controller) {
unsigned int hpd_con = platform_get_irq_byname(pdev, "hpd-connected");
unsigned int hpd_rm = platform_get_irq_byname(pdev, "hpd-removed");
int hpd = platform_get_irq_byname(pdev, "hpd-connected");
ret = devm_request_threaded_irq(&pdev->dev, hpd_con,
if (hpd < 0)
return hpd;
ret = devm_request_threaded_irq(&pdev->dev, hpd,
NULL,
vc4_hdmi_hpd_irq_thread, IRQF_ONESHOT,
"vc4 hdmi hpd connected", vc4_hdmi);
if (ret)
return ret;
ret = devm_request_threaded_irq(&pdev->dev, hpd_rm,
hpd = platform_get_irq_byname(pdev, "hpd-removed");
if (hpd < 0)
return hpd;
ret = devm_request_threaded_irq(&pdev->dev, hpd,
NULL,
vc4_hdmi_hpd_irq_thread, IRQF_ONESHOT,
"vc4 hdmi hpd disconnected", vc4_hdmi);