diff options
Diffstat (limited to 'drivers/net/ethernet/renesas')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 30 | ||||
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 65 |
2 files changed, 47 insertions, 48 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 2b962d349f5f..c87f57ca4437 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2205,8 +2205,7 @@ out_dma_free: if (chip_id != RCAR_GEN2) ravb_ptp_stop(ndev); out_release: - if (ndev) - free_netdev(ndev); + free_netdev(ndev); pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); @@ -2308,32 +2307,9 @@ static int __maybe_unused ravb_resume(struct device *dev) struct ravb_private *priv = netdev_priv(ndev); int ret = 0; - if (priv->wol_enabled) { - /* Reduce the usecount of the clock to zero and then - * restore it to its original value. This is done to force - * the clock to be re-enabled which is a workaround - * for renesas-cpg-mssr driver which do not enable clocks - * when resuming from PSCI suspend/resume. - * - * Without this workaround the driver fails to communicate - * with the hardware if WoL was enabled when the system - * entered PSCI suspend. This is due to that if WoL is enabled - * we explicitly keep the clock from being turned off when - * suspending, but in PSCI sleep power is cut so the clock - * is disabled anyhow, the clock driver is not aware of this - * so the clock is not turned back on when resuming. - * - * TODO: once the renesas-cpg-mssr suspend/resume is working - * this clock dance should be removed. - */ - clk_disable(priv->clk); - clk_disable(priv->clk); - clk_enable(priv->clk); - clk_enable(priv->clk); - - /* Set reset mode to rearm the WoL logic */ + /* If WoL is enabled set reset mode to rearm the WoL logic */ + if (priv->wol_enabled) ravb_write(ndev, CCC_OPC_RESET, CCC); - } /* All register have been reset to default values. * Restore all registers which where setup at probe time and diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index db72d13cebb9..a197e11f3a56 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -147,7 +147,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { [FWNLCR0] = 0x0090, [FWALCR0] = 0x0094, [TXNLCR1] = 0x00a0, - [TXALCR1] = 0x00a0, + [TXALCR1] = 0x00a4, [RXNLCR1] = 0x00a8, [RXALCR1] = 0x00ac, [FWNLCR1] = 0x00b0, @@ -399,7 +399,7 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { [FWNLCR0] = 0x0090, [FWALCR0] = 0x0094, [TXNLCR1] = 0x00a0, - [TXALCR1] = 0x00a0, + [TXALCR1] = 0x00a4, [RXNLCR1] = 0x00a8, [RXALCR1] = 0x00ac, [FWNLCR1] = 0x00b0, @@ -1892,6 +1892,16 @@ static int sh_eth_phy_init(struct net_device *ndev) return PTR_ERR(phydev); } + /* mask with MAC supported features */ + if (mdp->cd->register_type != SH_ETH_REG_GIGABIT) { + int err = phy_set_max_speed(phydev, SPEED_100); + if (err) { + netdev_err(ndev, "failed to limit PHY to 100 Mbit/s\n"); + phy_disconnect(phydev); + return err; + } + } + phy_attached_info(phydev); return 0; @@ -2079,8 +2089,8 @@ static size_t __sh_eth_get_regs(struct net_device *ndev, u32 *buf) add_reg(CSMR); if (cd->select_mii) add_reg(RMII_MII); - add_reg(ARSTR); if (cd->tsu) { + add_tsu_reg(ARSTR); add_tsu_reg(TSU_CTRST); add_tsu_reg(TSU_FWEN0); add_tsu_reg(TSU_FWEN1); @@ -3115,7 +3125,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev) const struct platform_device_id *id = platform_get_device_id(pdev); struct sh_eth_private *mdp; struct net_device *ndev; - int ret, devno; + int ret; /* get base addr */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -3127,10 +3137,6 @@ static int sh_eth_drv_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); - devno = pdev->id; - if (devno < 0) - devno = 0; - ret = platform_get_irq(pdev, 0); if (ret < 0) goto out_release; @@ -3212,25 +3218,43 @@ static int sh_eth_drv_probe(struct platform_device *pdev) eth_hw_addr_random(ndev); } - /* ioremap the TSU registers */ if (mdp->cd->tsu) { + int port = pdev->id < 0 ? 0 : pdev->id % 2; struct resource *rtsu; + rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); - mdp->tsu_addr = devm_ioremap_resource(&pdev->dev, rtsu); - if (IS_ERR(mdp->tsu_addr)) { - ret = PTR_ERR(mdp->tsu_addr); + if (!rtsu) { + dev_err(&pdev->dev, "no TSU resource\n"); + ret = -ENODEV; goto out_release; } - mdp->port = devno % 2; + /* We can only request the TSU region for the first port + * of the two sharing this TSU for the probe to succeed... + */ + if (port == 0 && + !devm_request_mem_region(&pdev->dev, rtsu->start, + resource_size(rtsu), + dev_name(&pdev->dev))) { + dev_err(&pdev->dev, "can't request TSU resource.\n"); + ret = -EBUSY; + goto out_release; + } + /* ioremap the TSU registers */ + mdp->tsu_addr = devm_ioremap(&pdev->dev, rtsu->start, + resource_size(rtsu)); + if (!mdp->tsu_addr) { + dev_err(&pdev->dev, "TSU region ioremap() failed.\n"); + ret = -ENOMEM; + goto out_release; + } + mdp->port = port; ndev->features = NETIF_F_HW_VLAN_CTAG_FILTER; - } - /* initialize first or needed device */ - if (!devno || pd->needs_init) { - if (mdp->cd->chip_reset) - mdp->cd->chip_reset(ndev); + /* Need to init only the first port of the two sharing a TSU */ + if (port == 0) { + if (mdp->cd->chip_reset) + mdp->cd->chip_reset(ndev); - if (mdp->cd->tsu) { /* TSU init (Init only)*/ sh_eth_tsu_init(mdp); } @@ -3272,8 +3296,7 @@ out_napi_del: out_release: /* net_dev free */ - if (ndev) - free_netdev(ndev); + free_netdev(ndev); pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); |
