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@redhat.com>
Link: https://lore.kernel.org/r/20230323202713.2637150-1-trix@redhat.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index fa1812e..267c784 100644 (file)
--- 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)
 {