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Date: Sat, 21 Jun 2025 21:36:39 +0100
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Subject: Re: [patch 10/13] ptp: Split out PTP_MASK_CLEAR_ALL ioctl code
To: Thomas Gleixner <tglx@linutronix.de>, LKML <linux-kernel@vger.kernel.org>
Cc: Richard Cochran <richardcochran@gmail.com>, netdev@vger.kernel.org
References: <20250620130144.351492917@linutronix.de>
 <20250620131944.344887489@linutronix.de>
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From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
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On 20/06/2025 14:24, Thomas Gleixner wrote:
> Continue the ptp_ioctl() cleanup by splitting out the PTP_MASK_CLEAR_ALL ioctl
> code into a helper function.
> 
> No functional change intended.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> ---
>   drivers/ptp/ptp_chardev.c |    9 +++++++--
>   1 file changed, 7 insertions(+), 2 deletions(-)
> 
> --- a/drivers/ptp/ptp_chardev.c
> +++ b/drivers/ptp/ptp_chardev.c
> @@ -442,6 +442,12 @@ static long ptp_pin_setfunc(struct ptp_c
>   		return ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan);
>   }
>   
> +static long ptp_mask_clear_all(struct timestamp_event_queue *tsevq)
> +{
> +	bitmap_clear(tsevq->mask, 0, PTP_MAX_CHANNELS);
> +	return 0;
> +}
> +
>   long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd,
>   	       unsigned long arg)
>   {
> @@ -504,8 +510,7 @@ long ptp_ioctl(struct posix_clock_contex
>   		return ptp_pin_setfunc(ptp, cmd, argptr);
>   
>   	case PTP_MASK_CLEAR_ALL:
> -		bitmap_clear(tsevq->mask, 0, PTP_MAX_CHANNELS);
> -		break;
> +		return ptp_mask_clear_all(pccontext->private_clkdata);
>   
>   	case PTP_MASK_EN_SINGLE:
>   		if (copy_from_user(&i, (void __user *)arg, sizeof(i))) {
> 

Not quite sure there is a benefit of having a function for this type,
apart from having one style. But it adds some LoC...