linux-kernel - [PATCH 1/2] ALSA: cs46xx: mark snd_cs46xx_download

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Message-Id: <20230516195046.550584-1-arnd@kernel.org>
Date:   Tue, 16 May 2023 21:50:41 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Arnd Bergmann <arnd@...db.de>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] ALSA: cs46xx: mark snd_cs46xx_download_image as static

From: Arnd Bergmann <arnd@...db.de>

snd_cs46xx_download_image() was originally called from dsp_spos.c, but
is now local to cs46xx_lib.c. Mark it as 'static' to avoid a warning
about it lacking a declaration, and '__maybe_unused' to avoid a warning
about it being unused when CONFIG_SND_CS46XX_NEW_DSP is disabled:

sound/pci/cs46xx/cs46xx_lib.c:534:5: error: no previous prototype for 'snd_cs46xx_download_image'

Fixes: 89f157d9e6bf ("[ALSA] cs46xx - Fix PM resume")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 sound/pci/cs46xx/cs46xx_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 62f45847b351..7d882b33d45e 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -531,7 +531,7 @@ static int load_firmware(struct snd_cs46xx *chip)
 	return err;
 }
 
-int snd_cs46xx_download_image(struct snd_cs46xx *chip)
+static __maybe_unused int snd_cs46xx_download_image(struct snd_cs46xx *chip)
 {
 	int idx, err;
 	unsigned int offset = 0;
-- 
2.39.2