linux-kernel - Re: [PATCH] usb: bdc: Remove the BDC PCI driver

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Message-ID: <87wnwav3hi.fsf@kernel.org>
Date:   Mon, 18 Jan 2021 14:22:49 +0200
From:   Felipe Balbi <balbi@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Al Cooper <alcooperx@...il.com>, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com, linux-usb@...r.kernel.org,
        Patrik Jakobsson <patrik.r.jakobsson@...il.com>
Subject: Re: [PATCH] usb: bdc: Remove the BDC PCI driver


Hi,

Greg Kroah-Hartman <gregkh@...uxfoundation.org> writes:
>> Al Cooper <alcooperx@...il.com> writes:
>> > The BDC PCI driver was only used for design verification with
>> > an PCI/FPGA board. The board no longer exists and is not in use
>> > anywhere. All instances of this core now exist as a memory mapped
>> > device on the platform bus.
>> >
>> > NOTE: This only removes the PCI driver and does not remove the
>> > platform driver.
>> >
>> > Signed-off-by: Al Cooper <alcooperx@...il.com>
>> 
>> It sounds like it could be used for pre-silicon verification of newer
>> Core Releases, much like Synopsys still uses the HAPS (with mainline
>> linux, mind you) for silicon validation.
>> 
>> Why would we delete this small shim if it *could* still be useful?
>
> It ends up conflicting with the PCI id of a device that is actually in
> the wild (a camera on Apple laptops).  So it's good to drop this driver
> so the wrong driver doesn't get constantly bound to the wrong device.

I see. Oh well...

-- 
balbi

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