linux-kernel - [PATCH] ALSA: hdspm: remove unused copy_u32

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Message-Id: <20230323202713.2637150-1-trix@redhat.com>
Date:   Thu, 23 Mar 2023 16:27:13 -0400
From:   Tom Rix <trix@...hat.com>
To:     perex@...ex.cz, tiwai@...e.com, nathan@...nel.org,
        ndesaulniers@...gle.com
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, Tom Rix <trix@...hat.com>
Subject: [PATCH] ALSA: hdspm: remove unused copy_u32_le function

clang with W=1 reports
sound/pci/rme9652/hdspm.c:6149:19: error: unused function
  'copy_u32_le' [-Werror,-Wunused-function]
static inline int copy_u32_le(void __user *dest, void __iomem *src)
                  ^
This function is not used so remove it.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 sound/pci/rme9652/hdspm.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index fa1812e7a49d..267c7848974a 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6146,12 +6146,6 @@ static int snd_hdspm_hwdep_dummy_op(struct snd_hwdep *hw, struct file *file)
 	return 0;
 }
 
-static inline int copy_u32_le(void __user *dest, void __iomem *src)
-{
-	u32 val = readl(src);
-	return copy_to_user(dest, &val, 4);
-}
-
 static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
 		unsigned int cmd, unsigned long arg)
 {
-- 
2.27.0