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Date: Sat, 6 Nov 2021 22:12:22 +0100
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Andy Shevchenko <andy.shevchenko@...il.com>,
kernel test robot <lkp@...el.com>
Cc: Daniel Borkmann <daniel@...earbox.net>, llvm@...ts.linux.dev,
kbuild-all@...ts.01.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [dborkman-bpf:pr/bpf-tstamp 3/3]
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2482:44: warning: shift
count >= width of type
(resend because of HTML issue reported by mailing list daemon)
Le 06/11/2021 à 19:42, Andy Shevchenko a écrit :
> +Cc Christophe (can you look into this? It seems your code is involved)
>
> On Sat, Nov 6, 2021 at 3:52 AM kernel test robot<lkp@...el.com> wrote:
>> tree:https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git pr/bpf-tstamp
>> head: f7d619a946e981177777983af26e9e31163ffb38
>> commit: f7d619a946e981177777983af26e9e31163ffb38 [3/3] net: skb clock bases
>> config: i386-randconfig-a005-20210928 (attached as .config)
>> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498)
>> reproduce (this is a W=1 build):
>> wgethttps://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>> chmod +x ~/bin/make.cross
>> #https://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git/commit/?id=f7d619a946e981177777983af26e9e31163ffb38
>> git remote add dborkman-bpfhttps://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git
>> git fetch --no-tags dborkman-bpf pr/bpf-tstamp
>> git checkout f7d619a946e981177777983af26e9e31163ffb38
>> # save the attached .config to linux build tree
>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=i386
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot<lkp@...el.com>
>>
>> All warnings (new ones prefixed by >>):
>>
>> In file included from drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:9:
>> In file included from drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h:22:
>> include/net/tcp.h:812:27: error: no member named 'skb_mstamp_ns' in 'struct sk_buff'
>> return tcp_ns_to_ts(skb->skb_mstamp_ns);
>> ~~~ ^
>> include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff'
>> return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC);
>> ~~~ ^
>> include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff'
>> skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC;
>> ~~~ ^
>>>> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:2482:44: warning: shift count >= width of type [-Wshift-count-overflow]
>> if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
>> ^~~~~~~~~~~~~~~~
>> include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
>> #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
>> ^ ~~~
Hi,
DMA_BIT_MASK(64) means n=64, so we get ~0ULL and the other side of the : operator is not taken.
So, IMOH, this warning is a false positive that should be triggered in many places.
Unless I miss something obvious, I don't know why it is reported here.
'DMA_BIT_MASK(64)' is used quite often and should trigger the same warning every time.
grep -r --include=*.[ch] "DMA_BIT_MASK(64)" * | wc -l
235
Maybe a "Trojan Source <https://www.trojansource.codes/>" is lurking here :) ?
CJ
>> 1 warning and 3 errors generated.
>> --
>> In file included from drivers/net/ethernet/emulex/benet/be_main.c:16:
>> In file included from drivers/net/ethernet/emulex/benet/be.h:20:
>> include/net/tcp.h:812:27: error: no member named 'skb_mstamp_ns' in 'struct sk_buff'
>> return tcp_ns_to_ts(skb->skb_mstamp_ns);
>> ~~~ ^
>> include/net/tcp.h:818:22: error: no member named 'skb_mstamp_ns' in 'struct sk_buff'
>> return div_u64(skb->skb_mstamp_ns, NSEC_PER_USEC);
>> ~~~ ^
>> include/net/tcp.h:2367:8: error: no member named 'skb_mstamp_ns' in 'struct sk_buff'
>> skb->skb_mstamp_ns += (u64)tp->tcp_tx_delay * NSEC_PER_USEC;
>> ~~~ ^
>>>> drivers/net/ethernet/emulex/benet/be_main.c:5843:49: warning: shift count >= width of type [-Wshift-count-overflow]
>> status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
>> ^~~~~~~~~~~~~~~~
>> include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
>> #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
>> ^ ~~~
Same here.
>> 1 warning and 3 errors generated.
>>
>>
>> vim +2482 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
>>
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2470
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2471 static int pch_gbe_probe(struct pci_dev *pdev,
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2472 const struct pci_device_id *pci_id)
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2473 {
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2474 struct net_device *netdev;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2475 struct pch_gbe_adapter *adapter;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2476 int ret;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2477
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2478 ret = pcim_enable_device(pdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2479 if (ret)
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2480 return ret;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2481
>> 8ff39301efd9d21 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Christophe JAILLET 2020-11-21 @2482 if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
>> 8ff39301efd9d21 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Christophe JAILLET 2020-11-21 2483 ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2484 if (ret) {
>> 8ff39301efd9d21 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Christophe JAILLET 2020-11-21 2485 dev_err(&pdev->dev, "ERR: No usable DMA configuration, aborting\n");
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2486 return ret;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2487 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2488 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2489
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2490 ret = pcim_iomap_regions(pdev, 1 << PCH_GBE_PCI_BAR, pci_name(pdev));
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2491 if (ret) {
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2492 dev_err(&pdev->dev,
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2493 "ERR: Can't reserve PCI I/O and memory resources\n");
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2494 return ret;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2495 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2496 pci_set_master(pdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2497
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2498 netdev = alloc_etherdev((int)sizeof(struct pch_gbe_adapter));
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2499 if (!netdev)
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2500 return -ENOMEM;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2501 SET_NETDEV_DEV(netdev, &pdev->dev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2502
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2503 pci_set_drvdata(pdev, netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2504 adapter = netdev_priv(netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2505 adapter->netdev = netdev;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2506 adapter->pdev = pdev;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2507 adapter->hw.back = adapter;
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2508 adapter->hw.reg = pcim_iomap_table(pdev)[PCH_GBE_PCI_BAR];
>> 9e3617a7b84512b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2021-05-10 2509
>> f1a26fdf5944ff9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2013-05-18 2510 adapter->pdata = (struct pch_gbe_privdata *)pci_id->driver_data;
>> 9e3617a7b84512b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2021-05-10 2511 if (adapter->pdata && adapter->pdata->platform_init) {
>> 9e3617a7b84512b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2021-05-10 2512 ret = adapter->pdata->platform_init(pdev);
>> 9e3617a7b84512b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2021-05-10 2513 if (ret)
>> 9e3617a7b84512b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2021-05-10 2514 goto err_free_netdev;
>> 9e3617a7b84512b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2021-05-10 2515 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2516
>> 2e1c8725bb834f1 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Sinan Kaya 2017-12-19 2517 adapter->ptp_pdev =
>> 2e1c8725bb834f1 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Sinan Kaya 2017-12-19 2518 pci_get_domain_bus_and_slot(pci_domain_nr(adapter->pdev->bus),
>> 2e1c8725bb834f1 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Sinan Kaya 2017-12-19 2519 adapter->pdev->bus->number,
>> 1a0bdadb4e36aba drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Takahiroi Shimizu 2012-03-07 2520 PCI_DEVFN(12, 4));
>> 1a0bdadb4e36aba drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Takahiroi Shimizu 2012-03-07 2521
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2522 netdev->netdev_ops = &pch_gbe_netdev_ops;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2523 netdev->watchdog_timeo = PCH_GBE_WATCHDOG_PERIOD;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2524 netif_napi_add(netdev, &adapter->napi,
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2525 pch_gbe_napi_poll, PCH_GBE_RX_WEIGHT);
>> 756a6b03da98903 drivers/net/pch_gbe/pch_gbe_main.c Michał Mirosław 2011-04-19 2526 netdev->hw_features = NETIF_F_RXCSUM |
>> 756a6b03da98903 drivers/net/pch_gbe/pch_gbe_main.c Michał Mirosław 2011-04-19 2527 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
>> 756a6b03da98903 drivers/net/pch_gbe/pch_gbe_main.c Michał Mirosław 2011-04-19 2528 netdev->features = netdev->hw_features;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2529 pch_gbe_set_ethtool_ops(netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2530
>> 44770e1180decf9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Jarod Wilson 2016-10-17 2531 /* MTU range: 46 - 10300 */
>> 44770e1180decf9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Jarod Wilson 2016-10-17 2532 netdev->min_mtu = ETH_ZLEN - ETH_HLEN;
>> 44770e1180decf9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Jarod Wilson 2016-10-17 2533 netdev->max_mtu = PCH_GBE_MAX_JUMBO_FRAME_SIZE -
>> 44770e1180decf9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Jarod Wilson 2016-10-17 2534 (ETH_HLEN + ETH_FCS_LEN);
>> 44770e1180decf9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Jarod Wilson 2016-10-17 2535
>> 98200ec28a66c8d drivers/net/pch_gbe/pch_gbe_main.c Toshiharu Okada 2011-02-13 2536 pch_gbe_mac_load_mac_addr(&adapter->hw);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2537 pch_gbe_mac_reset_hw(&adapter->hw);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2538
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2539 /* setup the private structure */
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2540 ret = pch_gbe_sw_init(adapter);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2541 if (ret)
>> 29cc436cb90da4c drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Andy Shevchenko 2013-06-28 2542 goto err_free_netdev;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2543
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2544 /* Initialize PHY */
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2545 ret = pch_gbe_init_phy(adapter);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2546 if (ret) {
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2547 dev_err(&pdev->dev, "PHY initialize error\n");
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2548 goto err_free_adapter;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2549 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2550
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2551 /* Read the MAC address. and store to the private data */
>> 9c020d7b0525d3b drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 2018-06-22 2552 ret = pch_gbe_mac_read_mac_addr(&adapter->hw);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2553 if (ret) {
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2554 dev_err(&pdev->dev, "MAC address Read Error\n");
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2555 goto err_free_adapter;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2556 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2557
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2558 memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2559 if (!is_valid_ether_addr(netdev->dev_addr)) {
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2560 /*
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2561 * If the MAC is invalid (or just missing), display a warning
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2562 * but do not abort setting up the device. pch_gbe_up will
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2563 * prevent the interface from being brought up until a valid MAC
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2564 * is set.
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2565 */
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2566 dev_err(&pdev->dev, "Invalid MAC address, "
>> 2b53d07891630de drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2012-01-16 2567 "interface disabled.\n");
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2568 }
>> e99e88a9d2b0674 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Kees Cook 2017-10-16 2569 timer_setup(&adapter->watchdog_timer, pch_gbe_watchdog, 0);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2570
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2571 INIT_WORK(&adapter->reset_task, pch_gbe_reset_task);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2572
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2573 pch_gbe_check_options(adapter);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2574
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2575 /* initialize the wol settings based on the eeprom settings */
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2576 adapter->wake_up_evt = PCH_GBE_WL_INIT_SETTING;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2577 dev_info(&pdev->dev, "MAC address : %pM\n", netdev->dev_addr);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2578
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2579 /* reset the hardware with the new settings */
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2580 pch_gbe_reset(adapter);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2581
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2582 ret = register_netdev(netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2583 if (ret)
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2584 goto err_free_adapter;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2585 /* tell the stack to leave us alone until pch_gbe_open() is called */
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2586 netif_carrier_off(netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2587 netif_stop_queue(netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2588
>> 1a0bdadb4e36aba drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Takahiroi Shimizu 2012-03-07 2589 dev_dbg(&pdev->dev, "PCH Network Connection\n");
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2590
>> f1a26fdf5944ff9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2013-05-18 2591 /* Disable hibernation on certain platforms */
>> f1a26fdf5944ff9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2013-05-18 2592 if (adapter->pdata && adapter->pdata->phy_disable_hibernate)
>> f1a26fdf5944ff9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2013-05-18 2593 pch_gbe_phy_disable_hibernate(&adapter->hw);
>> f1a26fdf5944ff9 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Darren Hart 2013-05-18 2594
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2595 device_set_wakeup_enable(&pdev->dev, 1);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2596 return 0;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2597
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2598 err_free_adapter:
>> 7dbe38aed0ba01e drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c Paul Burton 2018-06-22 2599 pch_gbe_phy_hw_reset(&adapter->hw);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2600 err_free_netdev:
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2601 free_netdev(netdev);
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2602 return ret;
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2603 }
>> 77555ee72282342 drivers/net/pch_gbe/pch_gbe_main.c Masayuki Ohtake 2010-09-21 2604
>>
>> :::::: The code at line 2482 was first introduced by commit
>> :::::: 8ff39301efd9d21cd62caad3504aa8d6e35d8304 net: pch_gbe: Use dma_set_mask_and_coherent to simplify code
>>
>> :::::: TO: Christophe JAILLET<christophe.jaillet@...adoo.fr>
>> :::::: CC: Jakub Kicinski<kuba@...nel.org>
>>
>> ---
>> 0-DAY CI Kernel Test Service, Intel Corporation
>> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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