From: Michael Chan <mchan@broadcom.com>
Date: Wed, 10 Aug 2005 03:17:28 +0000 (-0700)
Subject: [TG3]: Eliminate one register write in tg3_restart_ints()
X-Git-Tag: v2.6.14-rc1~1035^2~151
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15f5a585c6b8dac31ed0a55693aacf51934f0f5d;p=linux-2.6

[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>
---

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 3a7cfb81bf..8bc28b14c7 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -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();