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Date:   Thu, 1 Jun 2023 15:21:40 +0100
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Tony Lindgren <tony@atomide.com>
Cc:     Jiri Slaby <jirislaby@kernel.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@intel.com>,
        Dhruva Gole <d-gole@ti.com>,
        Ilpo =?iso-8859-1?Q?J=E4rvinen?= <ilpo.jarvinen@linux.intel.com>,
        John Ogness <john.ogness@linutronix.de>,
        Johan Hovold <johan@kernel.org>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        linux-omap@vger.kernel.org,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] serial: core: Fix probing serial_base_bus devices
Message-ID: <2023060112-onion-disparate-8ce8@gregkh>
References: <20230601141445.11321-1-tony@atomide.com>
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On Thu, Jun 01, 2023 at 05:14:44PM +0300, Tony Lindgren wrote:
> If a physical serial port device driver uses arch_initcall() we fail to
> probe the serial_base_bus devices and the serial port tx fails. This is
> because as serial_base_bus uses module_initcall().
> 
> Let's fix the issue by changing serial_base_bus to use arch_initcall().

This will only work if the linking order is such that this will always
come before the drivers.  Is that the case here?

thanks,

greg k-h