linux-kernel - Re: [RFC PATCH] pps: Increase PPS_MAX

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Message-ID: <fa298357-0b3c-5534-0619-1bd8911846f7@ni.com>
Date:   Thu, 22 Jun 2023 21:03:35 -0500
From:   Charlie Johnston <charlie.johnston@...com>
To:     Rodolfo Giometti <giometti@...eenne.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Brenda Streiff <brenda.streiff@...com>
Subject: Re: [RFC PATCH] pps: Increase PPS_MAX_SOURCES value.

On 6/21/23 10:31, Rodolfo Giometti wrote:
> On 20/06/23 22:42, Charlie Johnston wrote:
>> I've resubmitted the patch with just PPS_MAX_SOURCES = MINORMASK. The system which hits the limit and causes the problem is currently available for testing.
>>
>> Is there anything you'd like me to try running? Or just confirm the limit change works?
> 
> Sorry for the delay (i was very busy in these days)! Please, test the attached 
> two patches.
> 
> Ciao,
> 
> Rodolfo
> 

Had some time to test today. Everything I tried appeared to work and the message log indicated sources were available for each port.

[    1.853052] pps_core: LinuxPPS API ver. 1 registered
[    2.749945] pps pps0: new PPS source ptp0
[    2.790179] pps pps1: new PPS source ptp1
[    2.818900] pps pps2: new PPS source ptp3
...
[    6.326282] pps pps26: new PPS source ptp27
[    6.354941] pps pps27: new PPS source ptp28
[    6.383575] pps pps28: new PPS source ptp29

Thanks for the quick turnaround on the patches!
Charlie