[PATCH 27/36] tty: synclinkmp: Mark never checked 'readval' as __always_unused

[Lee Jones]

Fixes the following W=1 kernel build warning(s):

 drivers/tty/synclinkmp.c: In function ‘init_adapter’:
 drivers/tty/synclinkmp.c:5167:6: warning: variable ‘readval’ set but not used [-Wunused-but-set-variable]

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: paulkf@xxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/tty/synclinkmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c
index 0ca738f61a35b..75f494bfdcbed 100644
--- a/drivers/tty/synclinkmp.c
+++ b/drivers/tty/synclinkmp.c
@@ -5165,7 +5165,7 @@ static bool init_adapter(SLMP_INFO *info)
 
 	/* Set BIT30 of Local Control Reg 0x50 to reset SCA */
 	volatile u32 *MiscCtrl = (u32 *)(info->lcr_base + 0x50);
-	u32 readval;
+	u32 __always_unused readval;
 
 	info->misc_ctrl_value |= BIT30;
 	*MiscCtrl = info->misc_ctrl_value;
-- 
2.25.1