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

Lee Jones
2020-11-04T19:37:29Z

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@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: paulkf@microgate.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
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