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Date: Sun, 27 Oct 2019 16:05:43 +0800
From: kbuild test robot <lkp@...el.com>
To: Grygorii Strashko <grygorii.strashko@...com>
Cc: kbuild-all@...ts.01.org, netdev@...r.kernel.org,
Ilias Apalodimas <ilias.apalodimas@...aro.org>,
Andrew Lunn <andrew@...n.ch>,
"David S . Miller" <davem@...emloft.net>,
Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
Jiri Pirko <jiri@...nulli.us>,
Florian Fainelli <f.fainelli@...il.com>,
Sekhar Nori <nsekhar@...com>, linux-kernel@...r.kernel.org,
linux-omap@...r.kernel.org, Murali Karicheri <m-karicheri2@...com>,
Ivan Vecera <ivecera@...hat.com>,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
Grygorii Strashko <grygorii.strashko@...com>
Subject: Re: [PATCH v5 net-next 06/12] net: ethernet: ti: introduce cpsw
switchdev based driver part 1 - dual-emac
Hi Grygorii,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Grygorii-Strashko/net-ethernet-ti-introduce-new-cpsw-switchdev-based-driver/20191027-143414
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 503a64635d5ef7351657c78ad77f8b5ff658d5fc
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=alpha
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
drivers/net/ethernet/ti/cpsw_priv.c: In function 'cpsw_init_common':
>> drivers/net/ethernet/ti/cpsw_priv.c:520:14: error: implicit declaration of function 'of_get_child_by_name'; did you mean '__dev_get_by_name'? [-Werror=implicit-function-declaration]
cpts_node = of_get_child_by_name(cpsw->dev->of_node, "cpts");
^~~~~~~~~~~~~~~~~~~~
__dev_get_by_name
>> drivers/net/ethernet/ti/cpsw_priv.c:520:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
cpts_node = of_get_child_by_name(cpsw->dev->of_node, "cpts");
^
>> drivers/net/ethernet/ti/cpsw_priv.c:529:2: error: implicit declaration of function 'of_node_put'; did you mean '__node_set'? [-Werror=implicit-function-declaration]
of_node_put(cpts_node);
^~~~~~~~~~~
__node_set
cc1: some warnings being treated as errors
vim +520 drivers/net/ethernet/ti/cpsw_priv.c
415
416 int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
417 int ale_ageout, phys_addr_t desc_mem_phys,
418 int descs_pool_size)
419 {
420 u32 slave_offset, sliver_offset, slave_size;
421 struct cpsw_ale_params ale_params;
422 struct cpsw_platform_data *data;
423 struct cpdma_params dma_params;
424 struct device *dev = cpsw->dev;
425 struct device_node *cpts_node;
426 void __iomem *cpts_regs;
427 int ret = 0, i;
428
429 data = &cpsw->data;
430 cpsw->rx_ch_num = 1;
431 cpsw->tx_ch_num = 1;
432
433 cpsw->version = readl(&cpsw->regs->id_ver);
434
435 memset(&dma_params, 0, sizeof(dma_params));
436 memset(&ale_params, 0, sizeof(ale_params));
437
438 switch (cpsw->version) {
439 case CPSW_VERSION_1:
440 cpsw->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET;
441 cpts_regs = ss_regs + CPSW1_CPTS_OFFSET;
442 cpsw->hw_stats = ss_regs + CPSW1_HW_STATS;
443 dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET;
444 dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET;
445 ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET;
446 slave_offset = CPSW1_SLAVE_OFFSET;
447 slave_size = CPSW1_SLAVE_SIZE;
448 sliver_offset = CPSW1_SLIVER_OFFSET;
449 dma_params.desc_mem_phys = 0;
450 break;
451 case CPSW_VERSION_2:
452 case CPSW_VERSION_3:
453 case CPSW_VERSION_4:
454 cpsw->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET;
455 cpts_regs = ss_regs + CPSW2_CPTS_OFFSET;
456 cpsw->hw_stats = ss_regs + CPSW2_HW_STATS;
457 dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET;
458 dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET;
459 ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET;
460 slave_offset = CPSW2_SLAVE_OFFSET;
461 slave_size = CPSW2_SLAVE_SIZE;
462 sliver_offset = CPSW2_SLIVER_OFFSET;
463 dma_params.desc_mem_phys = desc_mem_phys;
464 break;
465 default:
466 dev_err(dev, "unknown version 0x%08x\n", cpsw->version);
467 return -ENODEV;
468 }
469
470 for (i = 0; i < cpsw->data.slaves; i++) {
471 struct cpsw_slave *slave = &cpsw->slaves[i];
472 void __iomem *regs = cpsw->regs;
473
474 slave->slave_num = i;
475 slave->data = &cpsw->data.slave_data[i];
476 slave->regs = regs + slave_offset;
477 slave->port_vlan = slave->data->dual_emac_res_vlan;
478 slave->mac_sl = cpsw_sl_get("cpsw", dev, regs + sliver_offset);
479 if (IS_ERR(slave->mac_sl))
480 return PTR_ERR(slave->mac_sl);
481
482 slave_offset += slave_size;
483 sliver_offset += SLIVER_SIZE;
484 }
485
486 ale_params.dev = dev;
487 ale_params.ale_ageout = ale_ageout;
488 ale_params.ale_entries = data->ale_entries;
489 ale_params.ale_ports = CPSW_ALE_PORTS_NUM;
490
491 cpsw->ale = cpsw_ale_create(&ale_params);
492 if (!cpsw->ale) {
493 dev_err(dev, "error initializing ale engine\n");
494 return -ENODEV;
495 }
496
497 dma_params.dev = dev;
498 dma_params.rxthresh = dma_params.dmaregs + CPDMA_RXTHRESH;
499 dma_params.rxfree = dma_params.dmaregs + CPDMA_RXFREE;
500 dma_params.rxhdp = dma_params.txhdp + CPDMA_RXHDP;
501 dma_params.txcp = dma_params.txhdp + CPDMA_TXCP;
502 dma_params.rxcp = dma_params.txhdp + CPDMA_RXCP;
503
504 dma_params.num_chan = data->channels;
505 dma_params.has_soft_reset = true;
506 dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE;
507 dma_params.desc_mem_size = data->bd_ram_size;
508 dma_params.desc_align = 16;
509 dma_params.has_ext_regs = true;
510 dma_params.desc_hw_addr = dma_params.desc_mem_phys;
511 dma_params.bus_freq_mhz = cpsw->bus_freq_mhz;
512 dma_params.descs_pool_size = descs_pool_size;
513
514 cpsw->dma = cpdma_ctlr_create(&dma_params);
515 if (!cpsw->dma) {
516 dev_err(dev, "error initializing dma\n");
517 return -ENOMEM;
518 }
519
> 520 cpts_node = of_get_child_by_name(cpsw->dev->of_node, "cpts");
521 if (!cpts_node)
522 cpts_node = cpsw->dev->of_node;
523
524 cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpts_node);
525 if (IS_ERR(cpsw->cpts)) {
526 ret = PTR_ERR(cpsw->cpts);
527 cpdma_ctlr_destroy(cpsw->dma);
528 }
> 529 of_node_put(cpts_node);
530
531 return ret;
532 }
533
---
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