Re: [PATCH net-next 11/12] net: enetc: add PTP synchronization support for ENETC v4
From: kernel test robot
Date: Sat Jul 12 2025 - 12:43:20 EST
Hi Wei,
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/Wei-Fang/dt-bindings-ptp-add-bindings-for-NETC-Timer/20250711-152311
base: net-next/main
patch link: https://lore.kernel.org/r/20250711065748.250159-12-wei.fang%40nxp.com
patch subject: [PATCH net-next 11/12] net: enetc: add PTP synchronization support for ENETC v4
config: loongarch-randconfig-r062-20250712 (https://download.01.org/0day-ci/archive/20250713/202507130049.KLM4A8GG-lkp@xxxxxxxxx/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 01c97b4953e87ae455bd4c41e3de3f0f0f29c61c)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250713/202507130049.KLM4A8GG-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/202507130049.KLM4A8GG-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> drivers/net/ethernet/freescale/enetc/enetc.c:3340:7: error: call to undeclared function 'enetc_ptp_clock_is_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
3340 | if (!enetc_ptp_clock_is_enabled(priv->si))
| ^
drivers/net/ethernet/freescale/enetc/enetc.c:3390:7: error: call to undeclared function 'enetc_ptp_clock_is_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
3390 | if (!enetc_ptp_clock_is_enabled(priv->si))
| ^
drivers/net/ethernet/freescale/enetc/enetc.c:3602:46: warning: shift count >= width of type [-Wshift-count-overflow]
3602 | err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
| ^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:73:54: note: expanded from macro 'DMA_BIT_MASK'
73 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
| ^ ~~~
1 warning and 2 errors generated.
--
>> drivers/net/ethernet/freescale/enetc/enetc_ethtool.c:927:7: error: call to undeclared function 'enetc_ptp_clock_is_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
927 | if (!enetc_ptp_clock_is_enabled(si))
| ^
1 error generated.
vim +/enetc_ptp_clock_is_enabled +3340 drivers/net/ethernet/freescale/enetc/enetc.c
3332
3333 int enetc_hwtstamp_set(struct net_device *ndev,
3334 struct kernel_hwtstamp_config *config,
3335 struct netlink_ext_ack *extack)
3336 {
3337 struct enetc_ndev_priv *priv = netdev_priv(ndev);
3338 int err, new_offloads = priv->active_offloads;
3339
> 3340 if (!enetc_ptp_clock_is_enabled(priv->si))
3341 return -EOPNOTSUPP;
3342
3343 switch (config->tx_type) {
3344 case HWTSTAMP_TX_OFF:
3345 new_offloads &= ~ENETC_F_TX_TSTAMP_MASK;
3346 break;
3347 case HWTSTAMP_TX_ON:
3348 new_offloads &= ~ENETC_F_TX_TSTAMP_MASK;
3349 new_offloads |= ENETC_F_TX_TSTAMP;
3350 break;
3351 case HWTSTAMP_TX_ONESTEP_SYNC:
3352 if (!enetc_si_is_pf(priv->si))
3353 return -EOPNOTSUPP;
3354
3355 new_offloads &= ~ENETC_F_TX_TSTAMP_MASK;
3356 new_offloads |= ENETC_F_TX_ONESTEP_SYNC_TSTAMP;
3357 break;
3358 default:
3359 return -ERANGE;
3360 }
3361
3362 switch (config->rx_filter) {
3363 case HWTSTAMP_FILTER_NONE:
3364 new_offloads &= ~ENETC_F_RX_TSTAMP;
3365 break;
3366 default:
3367 new_offloads |= ENETC_F_RX_TSTAMP;
3368 config->rx_filter = HWTSTAMP_FILTER_ALL;
3369 }
3370
3371 if ((new_offloads ^ priv->active_offloads) & ENETC_F_RX_TSTAMP) {
3372 bool extended = !!(new_offloads & ENETC_F_RX_TSTAMP);
3373
3374 err = enetc_reconfigure(priv, extended, NULL, NULL);
3375 if (err)
3376 return err;
3377 }
3378
3379 priv->active_offloads = new_offloads;
3380
3381 return 0;
3382 }
3383 EXPORT_SYMBOL_GPL(enetc_hwtstamp_set);
3384
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki