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Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period

From Grygorii Strashko <grygorii.strashko@ti.com>
Newsgroups linux.kernel
Subject Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period
Date 2016-09-14 22:10 +0200
Message-ID <shoFj-5qB-15@gated-at.bofh.it> (permalink)
References <shi6S-1iq-7@gated-at.bofh.it> <shi6S-1iq-13@gated-at.bofh.it> <shjmi-1XX-37@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 09/14/2016 05:25 PM, Richard Cochran wrote:
> On Wed, Sep 14, 2016 at 04:02:30PM +0300, Grygorii Strashko wrote:
>> @@ -427,9 +427,6 @@ static void cpts_calc_mult_shift(struct cpts *cpts)
>>  	u64 ns;
>>  	u64 frac;
>>  
>> -	if (cpts->cc_mult || cpts->cc.shift)
>> -		return;
>> -
>>  	freq = clk_get_rate(cpts->refclk);
>>  
>>  	/* Calc the maximum number of seconds which we can run before
> 
> This hunk has nothing to do with $subject.

Sry, but I did not get your comment here :(
I'd happy to update patch according to your request, but could you provide more info here, pls?



> 
>> @@ -442,11 +439,20 @@ static void cpts_calc_mult_shift(struct cpts *cpts)
>>  	else if (maxsec > 600 && cpts->cc.mask > UINT_MAX)
>>  		maxsec = 600;
>>  
>> +	/* Calc overflow check period (maxsec / 2) */
>> +	cpts->ov_check_period = (HZ * maxsec) / 2;
>> +	dev_info(cpts->dev, "cpts: overflow check period %lu\n",
>> +		 cpts->ov_check_period);
>> +
>> +	if (cpts->cc_mult || cpts->cc.shift)
>> +		return;
>> +
>>  	clocks_calc_mult_shift(&mult, &shift, freq, NSEC_PER_SEC, maxsec);
>>  
>>  	cpts->cc_mult = mult;
>>  	cpts->cc.mult = mult;
>>  	cpts->cc.shift = shift;
>> +
> 
> Nor does this.



-- 
regards,
-grygorii

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Thread

[PATCH 0/9] net: ethernet: ti: cpts: update and fixes Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
  [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
    Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Richard Cochran <richardcochran@gmail.com> - 2016-09-14 16:30 +0200
      Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Richard Cochran <richardcochran@gmail.com> - 2016-09-14 22:10 +0200
        Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 22:30 +0200
          Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Richard Cochran <richardcochran@gmail.com> - 2016-09-14 22:50 +0200
            Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 23:00 +0200
      Re: [PATCH 8/9] net: ethernet: ti: cpts: fix overflow check period Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 22:10 +0200
  [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from refclk freq Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
    Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Richard Cochran <richardcochran@gmail.com> - 2016-09-14 16:30 +0200
      Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 22:10 +0200
    Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Richard Cochran <richardcochran@gmail.com> - 2016-09-14 22:30 +0200
      Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 23:00 +0200
        Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Richard Cochran <richardcochran@gmail.com> - 2016-09-14 23:10 +0200
          Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 23:20 +0200
      Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Richard Cochran <richardcochran@gmail.com> - 2016-09-15 14:00 +0200
        Re: [PATCH 7/9] net: ethernet: ti: cpts: calc mult and shift from  refclk freq Richard Cochran <richardcochran@gmail.com> - 2016-09-15 16:00 +0200
  [PATCH 1/9] net: ethernet: ti: exclude cpts from build when disabled Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
  [PATCH 3/9] net: ethernet: ti: cpts: rework initialization/deinitialization Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
    Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Richard Cochran <richardcochran@gmail.com> - 2016-09-14 16:00 +0200
      Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 22:20 +0200
        Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 22:40 +0200
          Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Richard Cochran <richardcochran@gmail.com> - 2016-09-14 23:00 +0200
            Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 23:00 +0200
        Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Richard Cochran <richardcochran@gmail.com> - 2016-09-14 22:40 +0200
    Re: [PATCH 3/9] net: ethernet: ti: cpts: rework  initialization/deinitialization Richard Cochran <richardcochran@gmail.com> - 2016-09-15 10:20 +0200
  [PATCH 5/9] net: ethernet: ti: cpts: add return value to tx and rx timestamp funcitons Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
    Re: [PATCH 5/9] net: ethernet: ti: cpts: add return value to tx and  rx timestamp funcitons Richard Cochran <richardcochran@gmail.com> - 2016-09-14 16:10 +0200
  [PATCH 6/9] net: ethernet: ti: cpts: clean up event list if event pool is empty Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 15:10 +0200
    Re: [PATCH 6/9] net: ethernet: ti: cpts: clean up event list if  event pool is empty Richard Cochran <richardcochran@gmail.com> - 2016-09-14 16:20 +0200
      Re: [PATCH 6/9] net: ethernet: ti: cpts: clean up event list if event  pool is empty Grygorii Strashko <grygorii.strashko@ti.com> - 2016-09-14 22:00 +0200

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