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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>
This commit is contained in:
Jarod Wilson 2008-03-08 13:18:58 -05:00 committed by Stefan Richter
parent cca6097713
commit 15f0d833f6
1 changed files with 1 additions and 1 deletions
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2
drivers/firewire/fw-transaction.c
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@ -797,7 +797,7 @@ handle_registers(struct fw_card *card, struct fw_request *request,
unsigned long long offset, unsigned long long offset,
void *payload, size_t length, void *callback_data) 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; unsigned long long bus_time;
__be32 *data = payload; __be32 *data = payload;