From: Maxime Ripard <maxime@cerno.tech>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
Maxime Ripard <maxime@cerno.tech>,
Daniel Vetter <daniel.vetter@intel.com>,
David Airlie <airlied@linux.ie>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
linux-rpi-kernel@lists.infradead.org,
Florian Fainelli <f.fainelli@gmail.com>,
Nicolas Saenz Julienne <nsaenz@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Nathan Chancellor <nathan@kernel.org>,
Randy Dunlap <rdunlap@infradead.org>,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: [PATCH] drm/vc4: hdmi: Fix defined but not used warning
Date: Thu, 23 Sep 2021 17:57:28 +0200 [thread overview]
Message-ID: <20210923155728.703312-1-maxime@cerno.tech> (raw)
On platforms without CONFIG_PM, SET_RUNTIME_PM_OPS will be a nop and the
functions vc4_hdmi_runtime_resume and vc4_hdmi_runtime_suspend will not
be used anywhere leading to
warning: 'vc4_hdmi_runtime_suspend' defined but not used [-Wunused-function]
Since we select CONFIG_PM anyway, vc4_hdmi_runtime_suspend() and
vc4_hdmi_runtime_suspend() will always be used and we can thus always
assign them in struct dev_pm_ops without using the SET_RUNTIME_PM_OPS
macro.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
I'm not sure how to merge this one, since this commit has been reverted
in Linus tree, and un-reverted in linux-next. Should we wait a bit until
the reworked version of the original commit has been merged again?
Maxime
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 500cdd56b335..5cf3a9aae147 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2411,9 +2411,8 @@ static const struct of_device_id vc4_hdmi_dt_match[] = {
};
static const struct dev_pm_ops vc4_hdmi_pm_ops = {
- SET_RUNTIME_PM_OPS(vc4_hdmi_runtime_suspend,
- vc4_hdmi_runtime_resume,
- NULL)
+ .runtime_resume = vc4_hdmi_runtime_resume,
+ .runtime_suspend = vc4_hdmi_runtime_suspend,
};
struct platform_driver vc4_hdmi_driver = {
--
2.31.1
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next reply other threads:[~2021-09-23 15:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-23 15:57 Maxime Ripard [this message]
2021-09-23 16:24 ` [PATCH] drm/vc4: hdmi: Fix defined but not used warning Nathan Chancellor
2021-09-23 16:54 ` Linus Torvalds
2021-09-24 8:12 ` Maxime Ripard
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