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Re: [PATCH v2 4/4] net: macb: Add hardware PTP support

From Richard Cochran <richardcochran@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 4/4] net: macb: Add hardware PTP support
Date 2017-06-04 23:00 +0200
Message-ID <tOKMV-1G2-1@gated-at.bofh.it> (permalink)
References <tNVKp-2l4-19@gated-at.bofh.it> <tNVKr-2l4-53@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Jun 02, 2017 at 03:28:10PM +0100, Rafal Ozieblo wrote:

> +int gem_get_hwtst(struct net_device *dev, struct ifreq *rq)
> +{
> +	struct macb *bp = netdev_priv(dev);
> +	struct hwtstamp_config *tstamp_config = &bp->tstamp_config;
> +
> +	if ((bp->hw_dma_cap & HW_DMA_CAP_PTP) == 0)
> +		return -EFAULT;

Segmentation fault?  Really?

...

> +int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd)
> +{
> +	struct macb *bp = netdev_priv(dev);
> +	struct hwtstamp_config *tstamp_config = &bp->tstamp_config;
> +	enum macb_bd_control tx_bd_control = TSTAMP_DISABLED;
> +	enum macb_bd_control rx_bd_control = TSTAMP_DISABLED;
> +	u32 regval;
> +
> +	if ((bp->hw_dma_cap & HW_DMA_CAP_PTP) == 0)
> +		return -EFAULT;

here again

Thanks,
Richard

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Thread

[PATCH v2 4/4] net: macb: Add hardware PTP support Rafal Ozieblo <rafalo@cadence.com> - 2017-06-02 16:30 +0200
  Re: [PATCH v2 4/4] net: macb: Add hardware PTP support Richard Cochran <richardcochran@gmail.com> - 2017-06-04 23:00 +0200
    RE: [PATCH v2 4/4] net: macb: Add hardware PTP support Rafal Ozieblo <rafalo@cadence.com> - 2017-06-06 11:00 +0200
      Re: [PATCH v2 4/4] net: macb: Add hardware PTP support Richard Cochran <richardcochran@gmail.com> - 2017-06-06 20:40 +0200
  Re: [PATCH v2 4/4] net: macb: Add hardware PTP support Richard Cochran <richardcochran@gmail.com> - 2017-06-06 20:40 +0200
    RE: [PATCH v2 4/4] net: macb: Add hardware PTP support Rafal Ozieblo <rafalo@cadence.com> - 2017-06-07 13:20 +0200
      Re: [PATCH v2 4/4] net: macb: Add hardware PTP support Richard Cochran <richardcochran@gmail.com> - 2017-06-07 15:30 +0200

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