mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

[TG3]: Eliminate one register write in tg3_restart_ints() 

The register write to register 0x68 to restart interrupts is unnecessary
as the interrupt wasn't masked in that register by the irq handler. This
will save one register write in the fast path.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2005-08-09 20:17:28 -07:00 committed by David S. Miller
parent 6892914fb7
commit 15f5a585c6
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/tg3.c
View File

@ -533,8 +533,6 @@ static inline unsigned int tg3_has_work(struct tg3 *tp)
*/
static void tg3_restart_ints(struct tg3 *tp)
{
tw32(TG3PCI_MISC_HOST_CTRL,
(tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
tp->last_tag << 24);
mmiowb();