Re: linux-next: build failure after merge of the net-next tree

Pavan Chebbi
2026-01-13T06:23:59Z

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On Tue, Jan 13, 2026 at 11:46 AM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> After merging the net-next tree, today's linux-next build (powerpc
> allyesconfig) failed like this:

Thanks for the report. Yes, kernel test robot also reported it. We
will send a patch fixing it ASAP.

>
> drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c: In function 'bnxt_ptp_init':
> drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:1141:13: error: implicit declaration of function 'boot_cpu_has'; did you mean 'boot_cpu_init'? [-Wimplicit-function-declaration]
> 1141 | boot_cpu_has(X86_FEATURE_ART))
> | ^~~~~~~~~~~~
> | boot_cpu_init
> drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:1141:26: error: 'X86_FEATURE_ART' undeclared (first use in this function); did you mean 'X86_FEATURE_ANY'?
> 1141 | boot_cpu_has(X86_FEATURE_ART))
> | ^~~~~~~~~~~~~~~
> | X86_FEATURE_ANY
> drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c:1141:26: note: each undeclared identifier is reported only once for each function it appears in
>
> Caused by commit
>
> c470195b989f ("bnxt_en: Add PTP .getcrosststamp() interface to get device/host times")
>
> boot_cpu_has() only exists for X86 ...
>
> I have applied the folloring hack for today:
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Tue, 13 Jan 2026 16:51:58 +1100
> Subject: [PATCH] fix up for "bnxt_en: Add PTP .getcrosststamp() interface to
> get device/host times"
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
> drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
> index 75ad385f5f79..20f5a9f38fee 100644
> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
> @@ -882,6 +882,7 @@ void bnxt_tx_ts_cmp(struct bnxt *bp, struct bnxt_napi *bnapi,
> }
> }
>
> +#ifdef X86_FEATURE_ART
> static int bnxt_phc_get_syncdevicetime(ktime_t *device,
> struct system_counterval_t *system,
> void *ctx)
> @@ -924,6 +925,7 @@ static int bnxt_ptp_getcrosststamp(struct ptp_clock_info *ptp_info,
> return get_device_system_crosststamp(bnxt_phc_get_syncdevicetime,
> ptp, NULL, xtstamp);
> }
> +#endif
>
> static const struct ptp_clock_info bnxt_ptp_caps = {
> .owner = THIS_MODULE,
> @@ -1137,9 +1139,11 @@ int bnxt_ptp_init(struct bnxt *bp)
> if (bnxt_ptp_pps_init(bp))
> netdev_err(bp->dev, "1pps not initialized, continuing without 1pps support\n");
> }
> +#ifdef X86_FEATURE_ART
> if ((bp->fw_cap & BNXT_FW_CAP_PTP_PTM) && pcie_ptm_enabled(bp->pdev) &&
> boot_cpu_has(X86_FEATURE_ART))
> ptp->ptp_info.getcrosststamp = bnxt_ptp_getcrosststamp;
> +#endif
>
> ptp->ptp_clock = ptp_clock_register(&ptp->ptp_info, &bp->pdev->dev);
> if (IS_ERR(ptp->ptp_clock)) {
> --
> 2.52.0
>
>
>
> --
> Cheers,
> Stephen Rothwell

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