linux-kernel - Re: [RFC net-next 22/22] ptp: remove 32 bit get/set methods.

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Date:	Sat, 21 Mar 2015 22:19:24 +0100
From:	Richard Cochran <richardcochran@...il.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Amir Vadai <amirv@...lanox.com>,
	Ariel Elior <ariel.elior@...gic.com>,
	Arnd Bergmann <arnd@...aro.org>,
	Baolin Wang <baolin.wang@...aro.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	Bruce Allan <bruce.w.allan@...el.com>,
	Carolyn Wyborny <carolyn.wyborny@...el.com>,
	Chris Metcalf <cmetcalf@...hip.com>,
	David Miller <davem@...emloft.net>,
	Frank Li <Frank.Li@...escale.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	John Stultz <john.stultz@...aro.org>,
	Luwei Zhou <b45643@...escale.com>,
	Matthew Vick <matthew.vick@...el.com>,
	Michael Chan <mchan@...adcom.com>,
	Prashant Sreedharan <prashant@...adcom.com>,
	Shradha Shah <sshah@...arflare.com>,
	Solarflare linux maintainers <linux-net-drivers@...arflare.com>,
	Sonic Zhang <sonic.zhang@...log.com>,
	Stefan Sørensen 
	<stefan.sorensen@...ctralink.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [RFC net-next 22/22] ptp: remove 32 bit get/set methods.

On Sat, Mar 21, 2015 at 09:59:52PM +0100, Richard Cochran wrote:

> diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
> index 296b0ec..2665360 100644
> --- a/drivers/ptp/ptp_clock.c
> +++ b/drivers/ptp/ptp_clock.c
> @@ -107,13 +107,21 @@ static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
>  static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
>  {
>  	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
> -	return ptp->info->settime(ptp->info, tp);
> +	struct timespec64 ts = timespec_to_timespec64(*tp);
> +
> +	return ptp->info->settime64(ptp->info, &ts);
>  }
>  
>  static int ptp_clock_gettime(struct posix_clock *pc, struct timespec *tp)
>  {
>  	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
> -	return ptp->info->gettime(ptp->info, tp);
> +	struct timespec64 ts;
> +	int err;
> +
> +	err = ptp->info->gettime64(ptp->info, &ts);
> +	if (!err)
> +		*tp = timespec64_to_timespec(ts);
> +	return err;
>  }

Oops, both of these functions should have started using the new
methods *before* migrating the drivers.  Will fix in V2.

Thanks,
Richard
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