diff options
author | David S. Miller | 2015-06-23 07:19:27 -0700 |
---|---|---|
committer | David S. Miller | 2015-06-23 07:19:27 -0700 |
commit | 0a51f76e3c3efcd5eb740868e1096221f8d7d8e0 (patch) | |
tree | 2831ea538e4b73fcae941506fb3a17de24df020a | |
parent | 0dd0770936363ecd4d49192782bceccb882d3a24 (diff) | |
parent | c2d33bdc66e3b7db574e6b4864225cb341bffbcd (diff) |
Merge branch 'xgene-next'
Suman Tripathi says:
====================
drivers: net: xgene: Fix the ACPI support for RGMII/SGMII0/XFI ethernet interfaces of APM X-Gene SoC.
====================
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 80 | ||||
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c | 11 | ||||
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 11 |
4 files changed, 69 insertions, 40 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 25873d142b95..a626c4315a89 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -610,7 +610,7 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata) if (!xgene_ring_mgr_init(pdata)) return -ENODEV; - if (pdata->clk) { + if (!IS_ERR(pdata->clk)) { clk_prepare_enable(pdata->clk); clk_disable_unprepare(pdata->clk); clk_prepare_enable(pdata->clk); @@ -629,7 +629,8 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata) static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata) { - clk_disable_unprepare(pdata->clk); + if (!IS_ERR(pdata->clk)) + clk_disable_unprepare(pdata->clk); } static int xgene_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) @@ -751,7 +752,7 @@ static int xgene_mdiobus_register(struct xgene_enet_pdata *pdata, if (ret) return -EINVAL; - phy = get_phy_device(mdio, phy_id, true); + phy = get_phy_device(mdio, phy_id, false); if (!phy || IS_ERR(phy)) return -EIO; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 1bb317532f75..b334f279ce8d 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -29,6 +29,7 @@ #define RES_RING_CMD 2 static const struct of_device_id xgene_enet_of_match[]; +static const struct acpi_device_id xgene_enet_acpi_match[]; static void xgene_enet_init_bufpool(struct xgene_enet_desc_ring *buf_pool) { @@ -870,24 +871,33 @@ static const struct net_device_ops xgene_ndev_ops = { .ndo_set_mac_address = xgene_enet_set_mac_address, }; -static int xgene_get_port_id(struct device *dev, struct xgene_enet_pdata *pdata) +static int xgene_get_port_id_acpi(struct device *dev, + struct xgene_enet_pdata *pdata) +{ + acpi_status status; + u64 temp; + + status = acpi_evaluate_integer(ACPI_HANDLE(dev), "_SUN", NULL, &temp); + if (ACPI_FAILURE(status)) { + pdata->port_id = 0; + } else { + pdata->port_id = temp; + } + + return 0; +} + +static int xgene_get_port_id_dt(struct device *dev, struct xgene_enet_pdata *pdata) { u32 id = 0; int ret; - ret = device_property_read_u32(dev, "port-id", &id); - - switch (ret) { - case -EINVAL: + ret = of_property_read_u32(dev->of_node, "port-id", &id); + if (ret) { pdata->port_id = 0; ret = 0; - break; - case 0: + } else { pdata->port_id = id & BIT(0); - break; - default: - dev_err(dev, "Incorrect port-id specified: errno: %d\n", ret); - break; } return ret; @@ -977,7 +987,12 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata) return -ENOMEM; } - ret = xgene_get_port_id(dev, pdata); + if (dev->of_node) + ret = xgene_get_port_id_dt(dev, pdata); +#ifdef CONFIG_ACPI + else + ret = xgene_get_port_id_acpi(dev, pdata); +#endif if (ret) return ret; @@ -1009,17 +1024,19 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata) if (pdata->phy_mode != PHY_INTERFACE_MODE_RGMII) { ret = platform_get_irq(pdev, 1); if (ret <= 0) { - dev_err(dev, "Unable to get ENET Tx completion IRQ\n"); - ret = ret ? : -ENXIO; - return ret; + pdata->cq_cnt = 0; + dev_info(dev, "Unable to get Tx completion IRQ," + "using Rx IRQ instead\n"); + } else { + pdata->cq_cnt = XGENE_MAX_TXC_RINGS; + pdata->txc_irq = ret; } - pdata->txc_irq = ret; } pdata->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pdata->clk)) { /* Firmware may have set up the clock already. */ - pdata->clk = NULL; + dev_info(dev, "clocks have been setup already\n"); } if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) @@ -1090,13 +1107,11 @@ static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata) pdata->mac_ops = &xgene_sgmac_ops; pdata->port_ops = &xgene_sgport_ops; pdata->rm = RM1; - pdata->cq_cnt = XGENE_MAX_TXC_RINGS; break; default: pdata->mac_ops = &xgene_xgmac_ops; pdata->port_ops = &xgene_xgport_ops; pdata->rm = RM0; - pdata->cq_cnt = XGENE_MAX_TXC_RINGS; break; } @@ -1173,9 +1188,7 @@ static int xgene_enet_probe(struct platform_device *pdev) struct xgene_enet_pdata *pdata; struct device *dev = &pdev->dev; struct xgene_mac_ops *mac_ops; -#ifdef CONFIG_OF const struct of_device_id *of_id; -#endif int ret; ndev = alloc_etherdev(sizeof(struct xgene_enet_pdata)); @@ -1194,16 +1207,23 @@ static int xgene_enet_probe(struct platform_device *pdev) NETIF_F_GSO | NETIF_F_GRO; -#ifdef CONFIG_OF of_id = of_match_device(xgene_enet_of_match, &pdev->dev); if (of_id) { pdata->enet_id = (enum xgene_enet_id)of_id->data; - if (!pdata->enet_id) { - free_netdev(ndev); - return -ENODEV; - } + } +#ifdef CONFIG_ACPI + else { + const struct acpi_device_id *acpi_id; + + acpi_id = acpi_match_device(xgene_enet_acpi_match, &pdev->dev); + if (acpi_id) + pdata->enet_id = (enum xgene_enet_id) acpi_id->driver_data; } #endif + if (!pdata->enet_id) { + free_netdev(ndev); + return -ENODEV; + } ret = xgene_enet_get_resources(pdata); if (ret) @@ -1266,9 +1286,11 @@ static int xgene_enet_remove(struct platform_device *pdev) #ifdef CONFIG_ACPI static const struct acpi_device_id xgene_enet_acpi_match[] = { - { "APMC0D05", }, - { "APMC0D30", }, - { "APMC0D31", }, + { "APMC0D05", XGENE_ENET1}, + { "APMC0D30", XGENE_ENET1}, + { "APMC0D31", XGENE_ENET1}, + { "APMC0D26", XGENE_ENET2}, + { "APMC0D25", XGENE_ENET2}, { } }; MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match); diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c index ff240b3cb2b8..05b817e56fde 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c @@ -334,9 +334,11 @@ static int xgene_enet_reset(struct xgene_enet_pdata *p) if (!xgene_ring_mgr_init(p)) return -ENODEV; - clk_prepare_enable(p->clk); - clk_disable_unprepare(p->clk); - clk_prepare_enable(p->clk); + if (!IS_ERR(p->clk)) { + clk_prepare_enable(p->clk); + clk_disable_unprepare(p->clk); + clk_prepare_enable(p->clk); + } xgene_enet_ecc_init(p); xgene_enet_config_ring_if_assoc(p); @@ -369,7 +371,8 @@ static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p, static void xgene_enet_shutdown(struct xgene_enet_pdata *p) { - clk_disable_unprepare(p->clk); + if (!IS_ERR(p->clk)) + clk_disable_unprepare(p->clk); } static void xgene_enet_link_state(struct work_struct *work) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c index 27ba2fe3fca6..05edb847cf26 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c @@ -256,9 +256,11 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata) if (!xgene_ring_mgr_init(pdata)) return -ENODEV; - clk_prepare_enable(pdata->clk); - clk_disable_unprepare(pdata->clk); - clk_prepare_enable(pdata->clk); + if (!IS_ERR(pdata->clk)) { + clk_prepare_enable(pdata->clk); + clk_disable_unprepare(pdata->clk); + clk_prepare_enable(pdata->clk); + } xgene_enet_ecc_init(pdata); xgene_enet_config_ring_if_assoc(pdata); @@ -285,7 +287,8 @@ static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata, static void xgene_enet_shutdown(struct xgene_enet_pdata *pdata) { - clk_disable_unprepare(pdata->clk); + if (!IS_ERR(pdata->clk)) + clk_disable_unprepare(pdata->clk); } static void xgene_enet_link_state(struct work_struct *work) |