linux-kernel - [PATCH 16/20] media: davinci: vpbe_osd: mark read reg function as __maybe

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Date:   Wed, 24 Nov 2021 20:13:19 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: [PATCH 16/20] media: davinci: vpbe_osd: mark read reg function as __maybe_unused

Such function is currently unused, but could be needed in the
future. So, keep it, marking it as __maybe_unused, in order to
avoid a clang W=1 error.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---

To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH 00/20] at: https://lore.kernel.org/all/cover.1637781097.git.mchehab+huawei@kernel.org/

 drivers/media/platform/davinci/vpbe_osd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/davinci/vpbe_osd.c b/drivers/media/platform/davinci/vpbe_osd.c
index 91b571a0ac2c..6b36cae5e6c1 100644
--- a/drivers/media/platform/davinci/vpbe_osd.c
+++ b/drivers/media/platform/davinci/vpbe_osd.c
@@ -45,7 +45,7 @@ static const struct platform_device_id vpbe_osd_devtype[] = {
 MODULE_DEVICE_TABLE(platform, vpbe_osd_devtype);
 
 /* register access routines */
-static inline u32 osd_read(struct osd_state *sd, u32 offset)
+static inline u32 __maybe_unused osd_read(struct osd_state *sd, u32 offset)
 {
 	struct osd_state *osd = sd;
 
-- 
2.33.1