linux-kernel - Re: [PATCH v2] tty: serial: 8250: Fix port count mismatch with the device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Mon, 17 Jun 2024 12:54:34 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Crescent Hsieh <crescentcy.hsieh@...a.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...nel.org>, 
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH v2] tty: serial: 8250: Fix port count mismatch with the device

On Mon, Jun 17, 2024 at 8:31 AM Crescent Hsieh
<crescentcy.hsieh@...a.com> wrote:
>
> Normally, the number of ports is indicated by the third digit of the
> device ID on Moxa PCI serial boards. For example, `0x1121` indicates a
> device with 2 ports.
>
> However, `CP116E_A_A` and `CP116E_A_B` are exceptions; they have 8
> ports, but the third digit of the device ID is `6`.
>
> This patch introduces a function to retrieve the number of ports on Moxa
> PCI serial boards, addressing the issue described above.

Now it makes sense to me.
Reviewed-by: Andy Shevchenko <andy@...nel.org>

-- 
With Best Regards,
Andy Shevchenko