summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorJarod Wilson <jwilson@redhat.com>2008-03-08 13:18:58 -0500
committerStefan Richter <stefanr@s5r6.in-berlin.de>2008-04-18 17:55:36 +0200
commit15f0d833f63da2fa49aed81480a37d5e896b5b9b (patch)
treef54b02af409cdb474a143d89ad58600ad63edf46 /drivers
parentcca6097713c62eac43aef27b31e7f1553dde4f94 (diff)
downloadop-kernel-dev-15f0d833f63da2fa49aed81480a37d5e896b5b9b.zip
op-kernel-dev-15f0d833f63da2fa49aed81480a37d5e896b5b9b.tar.gz
firewire: use bitwise and to get reg in handle_registers
for code efficiency. Signed-off-by: Jarod Wilson <jwilson@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/firewire/fw-transaction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 47bfe76..3682e75 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -797,7 +797,7 @@ handle_registers(struct fw_card *card, struct fw_request *request,
unsigned long long offset,
void *payload, size_t length, void *callback_data)
{
- int reg = offset - CSR_REGISTER_BASE;
+ int reg = offset & ~CSR_REGISTER_BASE;
unsigned long long bus_time;
__be32 *data = payload;
OpenPOWER on IntegriCloud