Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8f9f963e5d9853dbc5fa5091f15ae64f423d3d89 Commit: 8f9f963e5d9853dbc5fa5091f15ae64f423d3d89 Parent: f8d2dc39389d6ccc0def290dc4b7eb71d68645a2 Author: Jarod Wilson <[EMAIL PROTECTED]> AuthorDate: Wed Jan 23 16:05:45 2008 -0500 Committer: Stefan Richter <[EMAIL PROTECTED]> CommitDate: Wed Jan 30 22:22:28 2008 +0100
firewire: replace subtraction with bitwise and Replace an unnecessary subtraction with a bitwise AND when determining the value of ext_tcode in fw_fill_transaction() to save a cpu cycle or two in a somewhat critical path. Signed-off-by: Jarod Wilson <[EMAIL PROTECTED]> Signed-off-by: Stefan Richter <[EMAIL PROTECTED]> --- drivers/firewire/fw-transaction.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index 8018c3b..7fcc59d 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c @@ -153,7 +153,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel, int ext_tcode; if (tcode > 0x10) { - ext_tcode = tcode - 0x10; + ext_tcode = tcode & ~0x10; tcode = TCODE_LOCK_REQUEST; } else ext_tcode = 0; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html