Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753108AbdDALJk (ORCPT ); Sat, 1 Apr 2017 07:09:40 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:5299 "EHLO dggrg01-dlp.huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752161AbdDALFL (ORCPT ); Sat, 1 Apr 2017 07:05:11 -0400 From: Salil Mehta To: CC: , , , , , , lipeng , JinchuanTian Subject: [PATCH V4 net-next 03/18] net: hns: Optimize the code for GMAC pad and crc Config Date: Sat, 1 Apr 2017 12:03:33 +0100 Message-ID: <20170401110348.15908-4-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20170401110348.15908-1-salil.mehta@huawei.com> References: <20170401110348.15908-1-salil.mehta@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.203.181.152] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.58DF8965.0142,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 6b046086ac6d9c438e12fb49d3b4d463 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3083 Lines: 91 From: lipeng This patch optimises the init configuration code leg for gmac pad and crc set interface. Signed-off-by: lipeng Signed-off-by: JinchuanTian Reviewed-by: Yisen Zhuang Signed-off-by: Salil Mehta --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c | 36 ++++++++++------------ 1 file changed, 16 insertions(+), 20 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c index a8dbe00..723f3ae 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c @@ -148,6 +148,17 @@ static void hns_gmac_config_max_frame_length(void *mac_drv, u16 newval) GMAC_MAX_FRM_SIZE_S, newval); } +static void hns_gmac_config_pad_and_crc(void *mac_drv, u8 newval) +{ + u32 tx_ctrl; + struct mac_driver *drv = (struct mac_driver *)mac_drv; + + tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG); + dsaf_set_bit(tx_ctrl, GMAC_TX_PAD_EN_B, !!newval); + dsaf_set_bit(tx_ctrl, GMAC_TX_CRC_ADD_B, !!newval); + dsaf_write_dev(drv, GMAC_TRANSMIT_CONTROL_REG, tx_ctrl); +} + static void hns_gmac_config_an_mode(void *mac_drv, u8 newval) { struct mac_driver *drv = (struct mac_driver *)mac_drv; @@ -250,7 +261,6 @@ static void hns_gmac_get_pausefrm_cfg(void *mac_drv, u32 *rx_pause_en, static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed, u32 full_duplex) { - u32 tx_ctrl; struct mac_driver *drv = (struct mac_driver *)mac_drv; dsaf_set_dev_bit(drv, GMAC_DUPLEX_TYPE_REG, @@ -279,14 +289,6 @@ static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed, return -EINVAL; } - tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG); - dsaf_set_bit(tx_ctrl, GMAC_TX_PAD_EN_B, 1); - dsaf_set_bit(tx_ctrl, GMAC_TX_CRC_ADD_B, 1); - dsaf_write_dev(drv, GMAC_TRANSMIT_CONTROL_REG, tx_ctrl); - - dsaf_set_dev_bit(drv, GMAC_MODE_CHANGE_EN_REG, - GMAC_MODE_CHANGE_EB_B, 1); - return 0; } @@ -326,6 +328,11 @@ static void hns_gmac_init(void *mac_drv) if (drv->mac_cb->mac_type == HNAE_PORT_DEBUG) hns_gmac_set_uc_match(mac_drv, 0); + hns_gmac_config_pad_and_crc(mac_drv, 1); + + dsaf_set_dev_bit(drv, GMAC_MODE_CHANGE_EN_REG, + GMAC_MODE_CHANGE_EB_B, 1); + /* reduce gmac tx water line to avoid gmac hang-up * in speed 100M and duplex half. */ @@ -459,17 +466,6 @@ static int hns_gmac_config_loopback(void *mac_drv, enum hnae_loop loop_mode, return 0; } -static void hns_gmac_config_pad_and_crc(void *mac_drv, u8 newval) -{ - u32 tx_ctrl; - struct mac_driver *drv = (struct mac_driver *)mac_drv; - - tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG); - dsaf_set_bit(tx_ctrl, GMAC_TX_PAD_EN_B, !!newval); - dsaf_set_bit(tx_ctrl, GMAC_TX_CRC_ADD_B, !!newval); - dsaf_write_dev(drv, GMAC_TRANSMIT_CONTROL_REG, tx_ctrl); -} - static void hns_gmac_get_id(void *mac_drv, u8 *mac_id) { struct mac_driver *drv = (struct mac_driver *)mac_drv; -- 2.7.4