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| author | Stefan Wahren <stefan.wahren@i2se.com> | 2021-06-03 18:49:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-04 16:10:02 +0300 |
| commit | a6dd3f26175298ff1a3283bee7273905563f28bc (patch) | |
| tree | 57c0c57cec5a9548603fbd2111f957a80cd21fe0 /drivers | |
| parent | 525dd8a36c3323ebfca54ccbf3aa79f19901f554 (diff) | |
| download | linux-a6dd3f26175298ff1a3283bee7273905563f28bc.tar.xz | |
staging: vchiq_core: use define for message type shift
Make it clear and use a define for shifting the message type.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1622735405-9980-9-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 0afac4696185..f6ada95004cc 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -33,12 +33,14 @@ #define VCHIQ_MSG_REMOTE_RELEASE 13 /* - */ #define VCHIQ_MSG_REMOTE_USE_ACTIVE 14 /* - */ +#define TYPE_SHIFT 24 + #define VCHIQ_PORT_MAX (VCHIQ_MAX_SERVICES - 1) #define VCHIQ_PORT_FREE 0x1000 #define VCHIQ_PORT_IS_VALID(port) ((port) < VCHIQ_PORT_FREE) #define VCHIQ_MAKE_MSG(type, srcport, dstport) \ - (((type) << 24) | ((srcport) << 12) | ((dstport) << 0)) -#define VCHIQ_MSG_TYPE(msgid) ((unsigned int)(msgid) >> 24) + (((type) << TYPE_SHIFT) | ((srcport) << 12) | ((dstport) << 0)) +#define VCHIQ_MSG_TYPE(msgid) ((unsigned int)(msgid) >> TYPE_SHIFT) #define VCHIQ_MSG_SRCPORT(msgid) \ (unsigned short)(((unsigned int)(msgid) >> 12) & 0xfff) #define VCHIQ_MSG_DSTPORT(msgid) \ |