From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Matt Carlson" Subject: [PATCH net-next 1/6] tg3: Remove dead code Date: Fri, 19 Aug 2011 16:58:19 -0700 Message-ID: <1313798304-26171-2-git-send-email-mcarlson@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, mcarlson@broadcom.com To: davem@davemloft.net Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:1769 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756622Ab1HSXvH (ORCPT ); Fri, 19 Aug 2011 19:51:07 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Now that CPMU devices don't do MAC loopback, all the CPMU power saving mode adjustments are unneeded. This patch removes the dead code. Signed-off-by: Matt Carlson Reviewed-by: Michael Chan --- drivers/net/ethernet/broadcom/tg3.c | 35 +---------------------------------- 1 files changed, 1 insertions(+), 34 deletions(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index dc3fbf6..756e2bb 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -11527,7 +11527,7 @@ out: static int tg3_test_loopback(struct tg3 *tp) { int err = 0; - u32 eee_cap, cpmuctrl = 0; + u32 eee_cap; if (!netif_running(tp->dev)) return TG3_LOOPBACK_FAILED; @@ -11554,32 +11554,6 @@ static int tg3_test_loopback(struct tg3 *tp) if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD) tg3_phy_toggle_apd(tp, false); - if (tg3_flag(tp, CPMU_PRESENT)) { - int i; - u32 status; - - tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER); - - /* Wait for up to 40 microseconds to acquire lock. */ - for (i = 0; i < 4; i++) { - status = tr32(TG3_CPMU_MUTEX_GNT); - if (status == CPMU_MUTEX_GNT_DRIVER) - break; - udelay(10); - } - - if (status != CPMU_MUTEX_GNT_DRIVER) { - err = TG3_LOOPBACK_FAILED; - goto done; - } - - /* Turn off link-based power management. */ - cpmuctrl = tr32(TG3_CPMU_CTRL); - tw32(TG3_CPMU_CTRL, - cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE | - CPMU_CTRL_LINK_AWARE_MODE)); - } - if (tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_MAC_LOOPBACK)) err |= TG3_STD_LOOPBACK_FAILED << TG3_MAC_LOOPBACK_SHIFT; @@ -11587,13 +11561,6 @@ static int tg3_test_loopback(struct tg3 *tp) tg3_run_loopback(tp, 9000 + ETH_HLEN, TG3_MAC_LOOPBACK)) err |= TG3_JMB_LOOPBACK_FAILED << TG3_MAC_LOOPBACK_SHIFT; - if (tg3_flag(tp, CPMU_PRESENT)) { - tw32(TG3_CPMU_CTRL, cpmuctrl); - - /* Release the mutex */ - tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER); - } - if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && !tg3_flag(tp, USE_PHYLIB)) { if (tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_PHY_LOOPBACK)) -- 1.7.3.4