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

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Date: Sat, 15 Jun 2024 13:36:52 +0800
From: Crescent CY Hsieh <crescentcy.hsieh@...a.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Jiri Slaby <jirislaby@...nel.org>,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH] tty: serial: 8250: Fixes: Fix port count mismatch with
 the device

On Fri, Jun 14, 2024 at 11:07:29AM +0200, Greg Kroah-Hartman wrote:
> On Fri, Jun 14, 2024 at 05:03:22PM +0800, Crescent Hsieh 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.
> > 
> > Signed-off-by: Crescent Hsieh <crescentcy.hsieh@...a.com>
> > ---
> >  drivers/tty/serial/8250/8250_pci.c | 13 ++++++++++++-
> >  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> What commit id does this fix?

None, it's just a normal patch, I might have mistakenly added the "fix"
tag.

---
Sincerely,
Crescent Hsieh