linux-kernel - Re: [PATCH 3/4] net: macb: Add hardware PTP support

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Date:   Fri, 14 Apr 2017 15:42:31 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Rafal Ozieblo <rafalo@...ence.com>
Cc:     kbuild-all@...org, David Miller <davem@...emloft.net>,
        nicolas.ferre@...el.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, harinikatakamlinux@...il.com,
        harini.katakam@...inx.com, richardcochran@...il.com,
        Andrei.Pistirica@...rochip.com, Rafal Ozieblo <rafalo@...ence.com>
Subject: Re: [PATCH 3/4] net: macb: Add hardware PTP support

Hi Rafal,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.11-rc6 next-20170413]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Rafal-Ozieblo/net-macb-Add-support-for-PTP-timestamps-in-DMA-descriptors/20170414-001330
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

Note: the linux-review/Rafal-Ozieblo/net-macb-Add-support-for-PTP-timestamps-in-DMA-descriptors/20170414-001330 HEAD 3b878618e04f866388fd62f6c44752e50b15658a builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `gem_ptp_do_rxstamp':
>> drivers/net/ethernet/cadence/macb.h:1108: undefined reference to `gem_ptp_rxstamp'
   drivers/net/ethernet/cadence/macb.h:1108:(.text+0x264604): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `gem_ptp_rxstamp'
   drivers/built-in.o: In function `gem_ptp_do_txstamp':
>> drivers/net/ethernet/cadence/macb.h:1100: undefined reference to `gem_ptp_txstamp'
   drivers/net/ethernet/cadence/macb.h:1100:(.text+0x266564): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `gem_ptp_txstamp'
   drivers/built-in.o: In function `macb_interrupt':
>> drivers/net/ethernet/cadence/macb.c:1332: undefined reference to `macb_ptp_int'
   drivers/net/ethernet/cadence/macb.c:1332:(.text+0x2666ac): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `macb_ptp_int'
   drivers/built-in.o:(.data+0x93fc8): undefined reference to `gem_ptp_init'
   drivers/built-in.o:(.data+0x93fd0): undefined reference to `gem_ptp_remove'
   drivers/built-in.o:(.data+0x93ff0): undefined reference to `gem_get_hwtst'
   drivers/built-in.o:(.data+0x93ff8): undefined reference to `gem_set_hwtst'

vim +1108 drivers/net/ethernet/cadence/macb.h

  1094	void macb_ptp_int(struct macb_queue *queue, u32 status);
  1095	static inline int gem_ptp_do_txstamp(struct macb_queue *queue, struct sk_buff *skb, struct macb_dma_desc *desc)
  1096	{
  1097		if (queue->bp->tstamp_config.tx_type == TSTAMP_DISABLED)
  1098			return -ENOTSUPP;
  1099	
> 1100		return gem_ptp_txstamp(queue, skb, desc);
  1101	}
  1102	
  1103	static inline void gem_ptp_do_rxstamp(struct macb *bp, struct sk_buff *skb, struct macb_dma_desc *desc)
  1104	{
  1105		if (bp->tstamp_config.rx_filter == TSTAMP_DISABLED)
  1106			return;
  1107	
> 1108		gem_ptp_rxstamp(bp, skb, desc);
  1109	}
  1110	int gem_get_hwtst(struct net_device *dev, struct ifreq *rq);
  1111	int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd);

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