Re: [PATCH net-next 13/16] net: stmmac: intel: Register generic MDIO device

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On Wed, Dec 06, 2023 at 08:19:07AM +0800, kernel test robot wrote:
> Hi Serge,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on net-next/main]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Serge-Semin/net-pcs-xpcs-Drop-sentinel-entry-from-2500basex-ifaces-list/20231205-183808
> base:   net-next/main
> patch link:    https://lore.kernel.org/r/20231205103559.9605-14-fancer.lancer%40gmail.com
> patch subject: [PATCH net-next 13/16] net: stmmac: intel: Register generic MDIO device
> config: x86_64-kexec (https://download.01.org/0day-ci/archive/20231206/202312060845.lDDRDWET-lkp@xxxxxxxxx/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312060845.lDDRDWET-lkp@xxxxxxxxx/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202312060845.lDDRDWET-lkp@xxxxxxxxx/
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c: In function 'intel_mgbe_common_data':
> >> drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c:646:31: error: 'clk' undeclared (first use in this function)
>      646 |         clk_disable_unprepare(clk);
>          |                               ^~~
>    drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c:646:31: note: each undeclared identifier is reported only once for each function it appears in
> 
> 
> vim +/clk +646 drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c

Right, my series had been originally based on a branch which had some
of this driver parts fixed. I should have more thoroughly performed
the re-base process. I'll make sure it's fixed on v2.

-Serge(y)

> 
>    446	
>    447	static int intel_mgbe_common_data(struct pci_dev *pdev,
>    448					  struct plat_stmmacenet_data *plat)
>    449	{
>    450		struct fwnode_handle *fwnode;
>    451		char clk_name[20];
>    452		int ret;
>    453		int i;
>    454	
>    455		plat->pdev = pdev;
>    456		plat->phy_addr = -1;
>    457		plat->clk_csr = 5;
>    458		plat->has_gmac = 0;
>    459		plat->has_gmac4 = 1;
>    460		plat->force_sf_dma_mode = 0;
>    461		plat->flags |= (STMMAC_FLAG_TSO_EN | STMMAC_FLAG_SPH_DISABLE);
>    462	
>    463		/* Multiplying factor to the clk_eee_i clock time
>    464		 * period to make it closer to 100 ns. This value
>    465		 * should be programmed such that the clk_eee_time_period *
>    466		 * (MULT_FACT_100NS + 1) should be within 80 ns to 120 ns
>    467		 * clk_eee frequency is 19.2Mhz
>    468		 * clk_eee_time_period is 52ns
>    469		 * 52ns * (1 + 1) = 104ns
>    470		 * MULT_FACT_100NS = 1
>    471		 */
>    472		plat->mult_fact_100ns = 1;
>    473	
>    474		plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;
>    475	
>    476		for (i = 0; i < plat->rx_queues_to_use; i++) {
>    477			plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
>    478			plat->rx_queues_cfg[i].chan = i;
>    479	
>    480			/* Disable Priority config by default */
>    481			plat->rx_queues_cfg[i].use_prio = false;
>    482	
>    483			/* Disable RX queues routing by default */
>    484			plat->rx_queues_cfg[i].pkt_route = 0x0;
>    485		}
>    486	
>    487		for (i = 0; i < plat->tx_queues_to_use; i++) {
>    488			plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
>    489	
>    490			/* Disable Priority config by default */
>    491			plat->tx_queues_cfg[i].use_prio = false;
>    492			/* Default TX Q0 to use TSO and rest TXQ for TBS */
>    493			if (i > 0)
>    494				plat->tx_queues_cfg[i].tbs_en = 1;
>    495		}
>    496	
>    497		/* FIFO size is 4096 bytes for 1 tx/rx queue */
>    498		plat->tx_fifo_size = plat->tx_queues_to_use * 4096;
>    499		plat->rx_fifo_size = plat->rx_queues_to_use * 4096;
>    500	
>    501		plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR;
>    502		plat->tx_queues_cfg[0].weight = 0x09;
>    503		plat->tx_queues_cfg[1].weight = 0x0A;
>    504		plat->tx_queues_cfg[2].weight = 0x0B;
>    505		plat->tx_queues_cfg[3].weight = 0x0C;
>    506		plat->tx_queues_cfg[4].weight = 0x0D;
>    507		plat->tx_queues_cfg[5].weight = 0x0E;
>    508		plat->tx_queues_cfg[6].weight = 0x0F;
>    509		plat->tx_queues_cfg[7].weight = 0x10;
>    510	
>    511		plat->dma_cfg->pbl = 32;
>    512		plat->dma_cfg->pblx8 = true;
>    513		plat->dma_cfg->fixed_burst = 0;
>    514		plat->dma_cfg->mixed_burst = 0;
>    515		plat->dma_cfg->aal = 0;
>    516		plat->dma_cfg->dche = true;
>    517	
>    518		plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi),
>    519					 GFP_KERNEL);
>    520		if (!plat->axi)
>    521			return -ENOMEM;
>    522	
>    523		plat->axi->axi_lpi_en = 0;
>    524		plat->axi->axi_xit_frm = 0;
>    525		plat->axi->axi_wr_osr_lmt = 1;
>    526		plat->axi->axi_rd_osr_lmt = 1;
>    527		plat->axi->axi_blen[0] = 4;
>    528		plat->axi->axi_blen[1] = 8;
>    529		plat->axi->axi_blen[2] = 16;
>    530	
>    531		plat->ptp_max_adj = plat->clk_ptp_rate;
>    532		plat->eee_usecs_rate = plat->clk_ptp_rate;
>    533	
>    534		/* Set system clock */
>    535		sprintf(clk_name, "%s-%s", "stmmac", pci_name(pdev));
>    536	
>    537		plat->stmmac_clk = clk_register_fixed_rate(&pdev->dev,
>    538							   clk_name, NULL, 0,
>    539							   plat->clk_ptp_rate);
>    540	
>    541		if (IS_ERR(plat->stmmac_clk)) {
>    542			dev_warn(&pdev->dev, "Fail to register stmmac-clk\n");
>    543			plat->stmmac_clk = NULL;
>    544		}
>    545	
>    546		ret = clk_prepare_enable(plat->stmmac_clk);
>    547		if (ret) {
>    548			clk_unregister_fixed_rate(plat->stmmac_clk);
>    549			return ret;
>    550		}
>    551	
>    552		plat->ptp_clk_freq_config = intel_mgbe_ptp_clk_freq_config;
>    553	
>    554		/* Set default value for multicast hash bins */
>    555		plat->multicast_filter_bins = HASH_TABLE_SIZE;
>    556	
>    557		/* Set default value for unicast filter entries */
>    558		plat->unicast_filter_entries = 1;
>    559	
>    560		/* Set the maxmtu to a default of JUMBO_LEN */
>    561		plat->maxmtu = JUMBO_LEN;
>    562	
>    563		plat->flags |= STMMAC_FLAG_VLAN_FAIL_Q_EN;
>    564	
>    565		/* Use the last Rx queue */
>    566		plat->vlan_fail_q = plat->rx_queues_to_use - 1;
>    567	
>    568		/* For fixed-link setup, we allow phy-mode setting */
>    569		fwnode = dev_fwnode(&pdev->dev);
>    570		if (fwnode) {
>    571			int phy_mode;
>    572	
>    573			/* "phy-mode" setting is optional. If it is set,
>    574			 *  we allow either sgmii or 1000base-x for now.
>    575			 */
>    576			phy_mode = fwnode_get_phy_mode(fwnode);
>    577			if (phy_mode >= 0) {
>    578				if (phy_mode == PHY_INTERFACE_MODE_SGMII ||
>    579				    phy_mode == PHY_INTERFACE_MODE_1000BASEX)
>    580					plat->phy_interface = phy_mode;
>    581				else
>    582					dev_warn(&pdev->dev, "Invalid phy-mode\n");
>    583			}
>    584		}
>    585	
>    586		/* Intel mgbe SGMII interface uses pcs-xcps */
>    587		if (plat->phy_interface == PHY_INTERFACE_MODE_SGMII ||
>    588		    plat->phy_interface == PHY_INTERFACE_MODE_1000BASEX) {
>    589			struct mdio_board_info *xpcs_info;
>    590	
>    591			xpcs_info = devm_kzalloc(&pdev->dev,
>    592						 sizeof(*xpcs_info) + MII_BUS_ID_SIZE,
>    593						 GFP_KERNEL);
>    594			if (!xpcs_info) {
>    595				ret = -ENOMEM;
>    596				goto err_alloc_info;
>    597			}
>    598	
>    599			xpcs_info->bus_id = (void *)xpcs_info + sizeof(*xpcs_info);
>    600			snprintf((char *)xpcs_info->bus_id, MII_BUS_ID_SIZE,
>    601				 "stmmac-%x", plat->bus_id);
>    602	
>    603			snprintf(xpcs_info->modalias, MDIO_NAME_SIZE, "dwxpcs");
>    604	
>    605			xpcs_info->mdio_addr = INTEL_MGBE_XPCS_ADDR;
>    606	
>    607			ret = mdiobus_register_board_info(xpcs_info, 1);
>    608			if (ret)
>    609				goto err_alloc_info;
>    610	
>    611			plat->mdio_bus_data->has_xpcs = true;
>    612			plat->mdio_bus_data->xpcs_an_inband = true;
>    613		}
>    614	
>    615		/* For fixed-link setup, we clear xpcs_an_inband */
>    616		if (fwnode) {
>    617			struct fwnode_handle *fixed_node;
>    618	
>    619			fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link");
>    620			if (fixed_node)
>    621				plat->mdio_bus_data->xpcs_an_inband = false;
>    622	
>    623			fwnode_handle_put(fixed_node);
>    624		}
>    625	
>    626		/* Ensure mdio bus PHY-scan skips intel serdes and pcs-xpcs */
>    627		plat->mdio_bus_data->phy_mask = 1 << INTEL_MGBE_ADHOC_ADDR;
>    628		plat->mdio_bus_data->phy_mask |= 1 << INTEL_MGBE_XPCS_ADDR;
>    629	
>    630		plat->int_snapshot_num = AUX_SNAPSHOT1;
>    631	
>    632		plat->crosststamp = intel_crosststamp;
>    633		plat->flags &= ~STMMAC_FLAG_INT_SNAPSHOT_EN;
>    634	
>    635		/* Setup MSI vector offset specific to Intel mGbE controller */
>    636		plat->msi_mac_vec = 29;
>    637		plat->msi_lpi_vec = 28;
>    638		plat->msi_sfty_ce_vec = 27;
>    639		plat->msi_sfty_ue_vec = 26;
>    640		plat->msi_rx_base_vec = 0;
>    641		plat->msi_tx_base_vec = 1;
>    642	
>    643		return 0;
>    644	
>    645	err_alloc_info:
>  > 646		clk_disable_unprepare(clk);
>    647		clk_unregister_fixed_rate(clk);
>    648	
>    649		return ret;
>    650	}
>    651	
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki




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