ASoC: pci/emu10k1: remove "set but not used' warnings

Fix W=1 warnings. Mark variables used for reads as __always_unused.

sound/pci/emu10k1/emu10k1_main.c: In function
‘snd_emu10k1_cardbus_init’:
sound/pci/emu10k1/emu10k1_main.c:626:15: warning: variable ‘value’ set
but not used [-Wunused-but-set-variable]
  626 |  unsigned int value;
      |               ^~~~~
sound/pci/emu10k1/emu10k1_main.c: In function
‘snd_emu1010_load_firmware_entry’:
sound/pci/emu10k1/emu10k1_main.c:656:15: warning: variable
‘write_post’ set but not used [-Wunused-but-set-variable]
  656 |  unsigned int write_post;
      |               ^~~~~~~~~~

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200702193604.169059-12-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 6ff5817..bd70e11 100644 (file)
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -623,7 +623,7 @@ static int snd_emu10k1_ecard_init(struct snd_emu10k1 *emu)
 static int snd_emu10k1_cardbus_init(struct snd_emu10k1 *emu)
 {
        unsigned long special_port;
-       unsigned int value;
+       __always_unused unsigned int value;
 
        /* Special initialisation routine
         * before the rest of the IO-Ports become active.
@@ -653,7 +653,7 @@ static int snd_emu1010_load_firmware_entry(struct snd_emu10k1 *emu,
        int n, i;
        int reg;
        int value;
-       unsigned int write_post;
+       __always_unused unsigned int write_post;
        unsigned long flags;
 
        if (!fw_entry)