linux-kernel - Re: [PATCH v2 1/1] serial: core: Fix serial_base_match() after fixing controller port name

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Date:   Thu, 3 Aug 2023 09:50:03 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Jiri Slaby <jirislaby@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        Dhruva Gole <d-gole@...com>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        John Ogness <john.ogness@...utronix.de>,
        Johan Hovold <johan@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        kernel test robot <oliver.sang@...el.com>
Subject: Re: [PATCH v2 1/1] serial: core: Fix serial_base_match() after
 fixing controller port name

On Thu, Aug 03, 2023 at 10:10:32AM +0300, Tony Lindgren wrote:
> While fixing DEVNAME to be more usable, I broke serial_base_match() as the
> ctrl and port prefix for device names seemed unnecessary.
> 
> The prefixes are still needed by serial_base_match() to probe the serial
> base controller port, and serial tx is now broken.
> 
> Let's fix the issue by checking against dev->type and drv->name instead
> of the prefixes that are no longer in the DEVNAME.
> 
> Fixes: 1ef2c2df1199 ("serial: core: Fix serial core controller port name to show controller id")
> Reported-by: kernel test robot <oliver.sang@...el.com>
> Closes: https://lore.kernel.org/oe-lkp/202308021529.35b3ad6c-oliver.sang@intel.com
> Signed-off-by: Tony Lindgren <tony@...mide.com>
> ---
> 
> Changes since v1:
> - Leave out magic numbers and use str_has_prefix() as suggested by Andy
>   and Greg
> 
> - Improve patch description and add a link for Closes tag as suggested
>   by Jiri
> 
> - Check the name against device_type name since we have it and leave
>   out the changes to try to define names in the header because of the
>   issues noted by Jiri
> 
> - Leave out Tested-by from Mark and Anders as the patch changed

Thanks for this, now queued up.

greg k-h