在 2020/1/22 上午12:19, Marcel Holtmann 写道: > Hi Alex, > >> These 2 macros are never used from first git commit Linux-2.6.12-rc2. So >> better to remove them. >> >> Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> >> Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx> >> Cc: Johan Hedberg <johan.hedberg@xxxxxxxxx> >> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> >> Cc: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> >> Cc: linux-bluetooth@xxxxxxxxxxxxxxx >> Cc: netdev@xxxxxxxxxxxxxxx >> Cc: linux-kernel@xxxxxxxxxxxxxxx >> --- >> net/bluetooth/rfcomm/core.c | 2 -- >> 1 file changed, 2 deletions(-) >> >> diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c >> index 3a9e9d9670be..825adff79f13 100644 >> --- a/net/bluetooth/rfcomm/core.c >> +++ b/net/bluetooth/rfcomm/core.c >> @@ -73,8 +73,6 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, >> >> /* ---- RFCOMM frame parsing macros ---- */ >> #define __get_dlci(b) ((b & 0xfc) >> 2) >> -#define __get_channel(b) ((b & 0xf8) >> 3) >> -#define __get_dir(b) ((b & 0x04) >> 2) >> #define __get_type(b) ((b & 0xef)) >> >> #define __test_ea(b) ((b & 0x01)) > > it seems we are also not using __dir macro either. > Hi Marcel, Thanks a lot for reminder. How about the following patch? Thanks Alex >From 41ef02c2f52cee1d69bb0ba0fbd90247d61dc155 Mon Sep 17 00:00:00 2001 From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Date: Wed, 15 Jan 2020 17:11:01 +0800 Subject: [PATCH v2] net/bluetooth: remove __get_channel/dir and __dir These 3 macros are never used from first git commit Linux-2.6.12-rc2. let's remove them. Suggested-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Cc: Marcel Holtmann <marcel@xxxxxxxxxxxx> Cc: Johan Hedberg <johan.hedberg@xxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: "Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> Cc: linux-bluetooth@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- net/bluetooth/rfcomm/core.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index 3a9e9d9670be..dcecce087b24 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -73,8 +73,6 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, /* ---- RFCOMM frame parsing macros ---- */ #define __get_dlci(b) ((b & 0xfc) >> 2) -#define __get_channel(b) ((b & 0xf8) >> 3) -#define __get_dir(b) ((b & 0x04) >> 2) #define __get_type(b) ((b & 0xef)) #define __test_ea(b) ((b & 0x01)) @@ -87,7 +85,6 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, #define __ctrl(type, pf) (((type & 0xef) | (pf << 4))) #define __dlci(dir, chn) (((chn & 0x1f) << 1) | dir) #define __srv_channel(dlci) (dlci >> 1) -#define __dir(dlci) (dlci & 0x01) #define __len8(len) (((len) << 1) | 1) #define __len16(len) ((len) << 1) -- 1.8.3.1