From: Jakub Kicinski <kuba@kernel.org>
To: Rodolfo Giometti <giometti@enneenne.com>
Cc: Vadim Fedorenko <vadim.fedorenko@linux.dev>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] pps: bump PPS device count
Date: Mon, 18 May 2026 16:22:50 -0700 [thread overview]
Message-ID: <20260518162250.235911be@kernel.org> (raw)
In-Reply-To: <20260515135028.2021318-1-vadim.fedorenko@linux.dev>
On Fri, 15 May 2026 13:50:28 +0000 Vadim Fedorenko wrote:
> Modern systems may have more than 16 PPS sources and current hard-coded
> limit breaks registration of some devices. Let's bump the limit to 256
> in hope it will be enough in foreseen future.
>
> Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Hi Rodolfo! Could you TAL / ack?
Or perhaps you have a tree via which you'll route this?
> diff --git a/include/uapi/linux/pps.h b/include/uapi/linux/pps.h
> index 009ebcd8ced5..1088dea65e12 100644
> --- a/include/uapi/linux/pps.h
> +++ b/include/uapi/linux/pps.h
> @@ -26,7 +26,7 @@
> #include <linux/types.h>
>
> #define PPS_VERSION "5.3.6"
> -#define PPS_MAX_SOURCES 16 /* should be enough... */
> +#define PPS_MAX_SOURCES 256 /* should be enough... */
>
> /* Implementation note: the logical states ``assert'' and ``clear''
> * are implemented in terms of the chip register, i.e. ``assert''
next prev parent reply other threads:[~2026-05-18 23:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 13:50 [PATCH net-next] pps: bump PPS device count Vadim Fedorenko
2026-05-18 23:22 ` Jakub Kicinski [this message]
2026-05-19 5:47 ` Rodolfo Giometti
2026-05-19 16:50 ` patchwork-bot+netdevbpf
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