[net-next,07/11] net: hns: dsaf adds support of acpi

Message ID	1463127557-90824-8-git-send-email-Yisen.Zhuang@huawei.com
State	Changes Requested, archived
Delegated to:	David Miller
Headers	show Return-Path: <netdev-owner@vger.kernel.org> From: Yisen Zhuang <Yisen.Zhuang@huawei.com> To: <davem@davemloft.net>, <rjw@rjwysocki.net>, <lenb@kernel.org> CC: <arnd@arndb.de>, <andriy.shevchenko@linux.intel.com>, <andrew@lunn.ch>, <geliangtang@163.com>, <ivecera@redhat.com>, <fengguang.wu@intel.com>, <charles.chenxin@huawei.com>, <haifeng.wei@huawei.com>, <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linuxarm@huawei.com> Subject: [patch net-next 07/11] net: hns: dsaf adds support of acpi Date: Fri, 13 May 2016 16:19:13 +0800 Message-ID: <1463127557-90824-8-git-send-email-Yisen.Zhuang@huawei.com> In-Reply-To: <1463127557-90824-1-git-send-email-Yisen.Zhuang@huawei.com> References: <1463127557-90824-1-git-send-email-Yisen.Zhuang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 527b49d..6e8f2b3 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -689,9 +689,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) return 0; } - if (!is_of_node(mac_cb->fw_port)) - return -EINVAL; - + if (is_of_node(mac_cb->fw_port)) { /* parse property from port subnode in dsaf */ np = of_parse_phandle(to_of_node(mac_cb->fw_port), "phy-handle", 0); mac_cb->phy_dev = of_phy_find_device(np); @@ -701,47 +699,49 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) mac_cb->mac_id, np->name); } - syscon = syscon_node_to_regmap( - of_parse_phandle(to_of_node(mac_cb->fw_port), - "serdes-syscon", 0)); - if (IS_ERR_OR_NULL(syscon)) { - dev_err(mac_cb->dev, "serdes-syscon is needed!\n"); - return -EINVAL; - } - mac_cb->serdes_ctrl = syscon; - - ret = fwnode_property_read_u32(mac_cb->fw_port, - "port-rst-offset", - &mac_cb->port_rst_off); - if (ret) { - dev_dbg(mac_cb->dev, - "mac%d port-rst-offset not found, use default value.\n", - mac_cb->mac_id); - } + syscon = syscon_node_to_regmap( + of_parse_phandle(to_of_node(mac_cb->fw_port), + "serdes-syscon", 0)); + if (IS_ERR_OR_NULL(syscon)) { + dev_err(mac_cb->dev, "serdes-syscon is needed!\n"); + return -EINVAL; + } + mac_cb->serdes_ctrl = syscon; - ret = fwnode_property_read_u32(mac_cb->fw_port, - "port-mode-offset", - &mac_cb->port_mode_off); - if (ret) { - dev_dbg(mac_cb->dev, - "mac%d port-mode-offset not found, use default value.\n", - mac_cb->mac_id); - } + ret = fwnode_property_read_u32(mac_cb->fw_port, + "port-rst-offset", + &mac_cb->port_rst_off); + if (ret) { + dev_dbg(mac_cb->dev, + "mac%d port-rst-offset not found, use default value.\n", + mac_cb->mac_id); + } - ret = of_parse_phandle_with_fixed_args(to_of_node(mac_cb->fw_port), - "cpld-syscon", 1, 0, &cpld_args); - if (ret) { - dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n", - mac_cb->mac_id); - mac_cb->cpld_ctrl = NULL; - } else { - syscon = syscon_node_to_regmap(cpld_args.np); - if (IS_ERR_OR_NULL(syscon)) { - dev_dbg(mac_cb->dev, "no cpld-syscon found!\n"); + ret = fwnode_property_read_u32(mac_cb->fw_port, + "port-mode-offset", + &mac_cb->port_mode_off); + if (ret) { + dev_dbg(mac_cb->dev, + "mac%d port-mode-offset not found, use default value.\n", + mac_cb->mac_id); + } + + ret = of_parse_phandle_with_fixed_args( + to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0, + &cpld_args); + if (ret) { + dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n", + mac_cb->mac_id); mac_cb->cpld_ctrl = NULL; } else { - mac_cb->cpld_ctrl = syscon; - mac_cb->cpld_ctrl_reg = cpld_args.args[0]; + syscon = syscon_node_to_regmap(cpld_args.np); + if (IS_ERR_OR_NULL(syscon)) { + dev_dbg(mac_cb->dev, "no cpld-syscon found!\n"); + mac_cb->cpld_ctrl = NULL; + } else { + mac_cb->cpld_ctrl = syscon; + mac_cb->cpld_ctrl_reg = cpld_args.args[0]; + } } } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 9afc5e6..da878b1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -7,6 +7,7 @@ * (at your option) any later version. */ +#include <linux/acpi.h> #include <linux/device.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -32,6 +33,13 @@ const char *g_dsaf_mode_match[DSAF_MODE_MAX] = { [DSAF_MODE_DISABLE_SP] = "single-port", }; +static const struct acpi_device_id hns_dsaf_acpi_match[] = { + { "HISI00B1", 0 }, + { "HISI00B2", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, hns_dsaf_acpi_match); + int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev) { int ret, i; @@ -43,12 +51,25 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev) struct regmap *syscon; struct resource *res; struct device_node *np = dsaf_dev->dev->of_node; + struct fwnode_handle *fwnode = dsaf_dev->dev->fwnode; + struct acpi_device *adev; struct platform_device *pdev = to_platform_device(dsaf_dev->dev); - if (of_device_is_compatible(np, "hisilicon,hns-dsaf-v1")) - dsaf_dev->dsaf_ver = AE_VERSION_1; - else - dsaf_dev->dsaf_ver = AE_VERSION_2; + if (IS_ENABLED(CONFIG_OF) && np) { + if (of_device_is_compatible(np, "hisilicon,hns-dsaf-v1")) + dsaf_dev->dsaf_ver = AE_VERSION_1; + else + dsaf_dev->dsaf_ver = AE_VERSION_2; + } else if (ACPI_COMPANION(dsaf_dev->dev)) { + adev = to_acpi_device_node(fwnode); + if (!acpi_match_device_ids(adev, &hns_dsaf_acpi_match[1])) + dsaf_dev->dsaf_ver = AE_VERSION_2; + else + dsaf_dev->dsaf_ver = AE_VERSION_1; + } else { + dev_err(dsaf_dev->dev, "cannot get cfd data from of or acpi\n"); + return -ENXIO; + } ret = device_property_read_string(dsaf_dev->dev, "mode", &mode_str); if (ret) { @@ -80,32 +101,40 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev) else dsaf_dev->dsaf_tc_mode = HRD_DSAF_4TC_MODE; - syscon = syscon_node_to_regmap( - of_parse_phandle(np, "subctrl-syscon", 0)); - if (IS_ERR_OR_NULL(syscon)) { - res = platform_get_resource(pdev, IORESOURCE_MEM, res_idx++); - if (!res) { - dev_err(dsaf_dev->dev, "subctrl info is needed!\n"); - return -ENOMEM; - } - dsaf_dev->sc_base = devm_ioremap_resource(&pdev->dev, res); - if (!dsaf_dev->sc_base) { - dev_err(dsaf_dev->dev, "subctrl can not map!\n"); - return -ENOMEM; - } + if (IS_ENABLED(CONFIG_OF) && np) { + syscon = syscon_node_to_regmap( + of_parse_phandle(np, "subctrl-syscon", 0)); + if (IS_ERR_OR_NULL(syscon)) { + res = platform_get_resource(pdev, IORESOURCE_MEM, + res_idx++); + if (!res) { + dev_err(dsaf_dev->dev, "subctrl info is needed!\n"); + return -ENOMEM; + } - res = platform_get_resource(pdev, IORESOURCE_MEM, res_idx++); - if (!res) { - dev_err(dsaf_dev->dev, "serdes-ctrl info is needed!\n"); - return -ENOMEM; - } - dsaf_dev->sds_base = devm_ioremap_resource(&pdev->dev, res); - if (!dsaf_dev->sds_base) { - dev_err(dsaf_dev->dev, "serdes-ctrl can not map!\n"); - return -ENOMEM; + dsaf_dev->sc_base = devm_ioremap_resource(&pdev->dev, + res); + if (!dsaf_dev->sc_base) { + dev_err(dsaf_dev->dev, "subctrl can not map!\n"); + return -ENOMEM; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, + res_idx++); + if (!res) { + dev_err(dsaf_dev->dev, "serdes-ctrl info is needed!\n"); + return -ENOMEM; + } + + dsaf_dev->sds_base = devm_ioremap_resource(&pdev->dev, + res); + if (!dsaf_dev->sds_base) { + dev_err(dsaf_dev->dev, "serdes-ctrl can not map!\n"); + return -ENOMEM; + } + } else { + dsaf_dev->sub_ctrl = syscon; } - } else { - dsaf_dev->sub_ctrl = syscon; } res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ppe-base"); @@ -2681,6 +2710,7 @@ static struct platform_driver g_dsaf_driver = { .driver = { .name = DSAF_DRV_NAME, .of_match_table = g_dsaf_match, + .acpi_match_table = hns_dsaf_acpi_match, }, }; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index a843a86..ed96d7b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -114,16 +114,18 @@ void hns_dsaf_rst(struct dsaf_device *dsaf_dev, u32 val) u32 xbar_reg_addr; u32 nt_reg_addr; - if (!val) { - xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG; - nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG; - } else { - xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG; - nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG; - } + if (IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node) { + if (!val) { + xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG; + nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG; + } else { + xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG; + nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG; + } - dsaf_write_sub(dsaf_dev, xbar_reg_addr, RESET_REQ_OR_DREQ); - dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ); + dsaf_write_sub(dsaf_dev, xbar_reg_addr, RESET_REQ_OR_DREQ); + dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ); + } } void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) @@ -134,15 +136,18 @@ void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) if (port >= DSAF_XGE_NUM) return; - reg_val |= RESET_REQ_OR_DREQ; - reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off; + if (IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node) { + reg_val |= RESET_REQ_OR_DREQ; - if (val == 0) - reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG; - else - reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG; + reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off; - dsaf_write_sub(dsaf_dev, reg_addr, reg_val); + if (val == 0) + reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG; + else + reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG; + + dsaf_write_sub(dsaf_dev, reg_addr, reg_val); + } } void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev, @@ -153,16 +158,17 @@ void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev, if (port >= DSAF_XGE_NUM) return; + if (IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node) { + reg_val |= XGMAC_TRX_CORE_SRST_M + << dsaf_dev->mac_cb[port]->port_rst_off; - reg_val |= XGMAC_TRX_CORE_SRST_M - << dsaf_dev->mac_cb[port]->port_rst_off; - - if (val == 0) - reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG; - else - reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG; + if (val == 0) + reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG; + else + reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG; - dsaf_write_sub(dsaf_dev, reg_addr, reg_val); + dsaf_write_sub(dsaf_dev, reg_addr, reg_val); + } } void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) @@ -174,44 +180,54 @@ void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) if (port >= DSAF_GE_NUM) return; - if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { - reg_val_1 = 0x1 << port; - port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off; - /* there is difference between V1 and V2 in register.*/ - if (AE_IS_VER1(dsaf_dev->dsaf_ver)) - reg_val_2 = 0x1041041 << port_rst_off; - else - reg_val_2 = 0x2082082 << port_rst_off; - - if (val == 0) { - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG, - reg_val_1); - - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ0_REG, - reg_val_2); - } else { - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ0_REG, - reg_val_2); - - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG, - reg_val_1); - } - } else { - reg_val_1 = 0x15540 << dsaf_dev->reset_offset; - reg_val_2 = 0x100 << dsaf_dev->reset_offset; - - if (val == 0) { - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG, - reg_val_1); - - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_REQ_REG, - reg_val_2); + if (IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node) { + if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { + reg_val_1 = 0x1 << port; + port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off; + /* there is difference between V1 and V2 in register.*/ + if (AE_IS_VER1(dsaf_dev->dsaf_ver)) + reg_val_2 = 0x1041041 << port_rst_off; + else + reg_val_2 = 0x2082082 << port_rst_off; + + if (val == 0) { + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_GE_RESET_REQ1_REG, + reg_val_1); + + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_GE_RESET_REQ0_REG, + reg_val_2); + } else { + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_GE_RESET_DREQ0_REG, + reg_val_2); + + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_GE_RESET_DREQ1_REG, + reg_val_1); + } } else { - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG, - reg_val_1); - - dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_DREQ_REG, - reg_val_2); + reg_val_1 = 0x15540 << dsaf_dev->reset_offset; + reg_val_2 = 0x100 << dsaf_dev->reset_offset; + + if (val == 0) { + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_GE_RESET_REQ1_REG, + reg_val_1); + + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_PPE_RESET_REQ_REG, + reg_val_2); + } else { + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_GE_RESET_DREQ1_REG, + reg_val_1); + + dsaf_write_sub(dsaf_dev, + DSAF_SUB_SC_PPE_RESET_DREQ_REG, + reg_val_2); + } } } } @@ -221,14 +237,18 @@ void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) u32 reg_val = 0; u32 reg_addr; - reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off; + if (IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node) { + struct hns_mac_cb *mac_cb = dsaf_dev->mac_cb[port]; - if (val == 0) - reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG; - else - reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG; + reg_val |= RESET_REQ_OR_DREQ << mac_cb->port_rst_off; - dsaf_write_sub(dsaf_dev, reg_addr, reg_val); + if (val == 0) + reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG; + else + reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG; + + dsaf_write_sub(dsaf_dev, reg_addr, reg_val); + } } void hns_ppe_com_srst(struct ppe_common_cb *ppe_common, u32 val) @@ -237,6 +257,9 @@ void hns_ppe_com_srst(struct ppe_common_cb *ppe_common, u32 val) u32 reg_val; u32 reg_addr; + if (!(IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node)) + return; + if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { reg_val = RESET_REQ_OR_DREQ; if (val == 0) @@ -267,29 +290,31 @@ phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb) u32 reg; bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver); int mac_id = mac_cb->mac_id; - phy_interface_t phy_if; + phy_interface_t phy_if = PHY_INTERFACE_MODE_NA; - if (is_ver1) { - if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) - return PHY_INTERFACE_MODE_SGMII; + if (IS_ENABLED(CONFIG_OF) && mac_cb->dev->of_node) { + if (is_ver1) { + if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) + return PHY_INTERFACE_MODE_SGMII; - if (mac_id >= 0 && mac_id <= 3) - reg = HNS_MAC_HILINK4_REG; - else - reg = HNS_MAC_HILINK3_REG; - } else{ - if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3) - reg = HNS_MAC_HILINK4V2_REG; + if (mac_id >= 0 && mac_id <= 3) + reg = HNS_MAC_HILINK4_REG; + else + reg = HNS_MAC_HILINK3_REG; + } else { + if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3) + reg = HNS_MAC_HILINK4V2_REG; + else + reg = HNS_MAC_HILINK3V2_REG; + } + + mode = dsaf_read_sub(mac_cb->dsaf_dev, reg); + if (dsaf_get_bit(mode, mac_cb->port_mode_off)) + phy_if = PHY_INTERFACE_MODE_XGMII; else - reg = HNS_MAC_HILINK3V2_REG; + phy_if = PHY_INTERFACE_MODE_SGMII; } - mode = dsaf_read_sub(mac_cb->dsaf_dev, reg); - if (dsaf_get_bit(mode, mac_cb->port_mode_off)) - phy_if = PHY_INTERFACE_MODE_XGMII; - else - phy_if = PHY_INTERFACE_MODE_SGMII; - return phy_if; } @@ -311,42 +336,50 @@ int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt) */ int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en) { + struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; + /* port 0-3 hilink4 base is serdes_vaddr + 0x00280000 * port 4-7 hilink3 base is serdes_vaddr + 0x00200000 */ - u8 *base_addr = (u8 *)mac_cb->serdes_vaddr + - (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000); - const u8 lane_id[] = { - 0, /* mac 0 -> lane 0 */ - 1, /* mac 1 -> lane 1 */ - 2, /* mac 2 -> lane 2 */ - 3, /* mac 3 -> lane 3 */ - 2, /* mac 4 -> lane 2 */ - 3, /* mac 5 -> lane 3 */ - 0, /* mac 6 -> lane 0 */ - 1 /* mac 7 -> lane 1 */ - }; + + if (IS_ENABLED(CONFIG_OF) && dsaf_dev->dev->of_node) { + u8 *base_addr = (u8 *)mac_cb->serdes_vaddr + + (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000); + const u8 lane_id[] = { + 0, /* mac 0 -> lane 0 */ + 1, /* mac 1 -> lane 1 */ + 2, /* mac 2 -> lane 2 */ + 3, /* mac 3 -> lane 3 */ + 2, /* mac 4 -> lane 2 */ + 3, /* mac 5 -> lane 3 */ + 0, /* mac 6 -> lane 0 */ + 1 /* mac 7 -> lane 1 */ + }; #define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2) - u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0); + u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0); - int sfp_prsnt; - int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt); + int sfp_prsnt; + int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt); - if (!mac_cb->phy_dev) { - if (ret) - pr_info("please confirm sfp is present or not\n"); - else - if (!sfp_prsnt) - pr_info("no sfp in this eth\n"); - } + if (!mac_cb->phy_dev) { + if (ret) + pr_info("please confirm sfp is present or not\n"); + else + if (!sfp_prsnt) + pr_info("no sfp in this eth\n"); + } - if (mac_cb->serdes_ctrl) { - u32 origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset); + if (mac_cb->serdes_ctrl) { + u32 origin = dsaf_read_syscon(mac_cb->serdes_ctrl, + reg_offset); - dsaf_set_field(origin, 1ull << 10, 10, !!en); - dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin); - } else { - dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, !!en); + dsaf_set_field(origin, 1ull << 10, 10, !!en); + dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, + origin); + } else { + dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, + 10, !!en); + } } return 0;

[net-next,07/11] net: hns: dsaf adds support of acpi

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