On 2020-08-14 13:39, Lee Jones wrote:
'ar9170_qmap' is used in some source files which include carl9170.h,
but not all of them. Mark it as __maybe_unused to show that this is
not only okay, it's expected.
Fixes the following W=1 kernel build warning(s)
Is this W=1 really a "must" requirement? I find it strange having
__maybe_unused in header files as this "suggests" that the
definition is redundant.
from drivers/net/wireless/ath/carl9170/carl9170.h:57,
In file included from drivers/net/wireless/ath/carl9170/carl9170.h:57,
drivers/net/wireless/ath/carl9170/carl9170.h:71:17: warning: ‘ar9170_qmap’ defined but not used [-Wunused-const-variable=]
Cc: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx>
Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/net/wireless/ath/carl9170/carl9170.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h
index 237d0cda1bcb0..9d86253081bce 100644
--- a/drivers/net/wireless/ath/carl9170/carl9170.h
+++ b/drivers/net/wireless/ath/carl9170/carl9170.h
@@ -68,7 +68,7 @@
#define PAYLOAD_MAX (CARL9170_MAX_CMD_LEN / 4 - 1)
-static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 3, 2, 1, 0 };
+static const u8 __maybe_unused ar9170_qmap[__AR9170_NUM_TXQ] = { 3, 2, 1, 0 };
#define CARL9170_MAX_RX_BUFFER_SIZE 8192
