From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:47650 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388242AbeGWNoF (ORCPT ); Mon, 23 Jul 2018 09:44:05 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sanjeev Bansal , Siva Reddy Kallam , Michael Chan , "David S. Miller" Subject: [PATCH 4.4 014/107] tg3: Add higher cpu clock for 5762. Date: Mon, 23 Jul 2018 14:41:08 +0200 Message-Id: <20180723122413.524246405@linuxfoundation.org> In-Reply-To: <20180723122413.003644357@linuxfoundation.org> References: <20180723122413.003644357@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sanjeev Bansal [ Upstream commit 3a498606bb04af603a46ebde8296040b2de350d1 ] This patch has fix for TX timeout while running bi-directional traffic with 100 Mbps using 5762. Signed-off-by: Sanjeev Bansal Signed-off-by: Siva Reddy Kallam Reviewed-by: Michael Chan Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/broadcom/tg3.c | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -9278,6 +9278,15 @@ static int tg3_chip_reset(struct tg3 *tp tg3_restore_clk(tp); + /* Increase the core clock speed to fix tx timeout issue for 5762 + * with 100Mbps link speed. + */ + if (tg3_asic_rev(tp) == ASIC_REV_5762) { + val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE); + tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val | + TG3_CPMU_MAC_ORIDE_ENABLE); + } + /* Reprobe ASF enable state. */ tg3_flag_clear(tp, ENABLE_ASF); tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |