linux-kernel - Re: [RFC PATCH 09/12] drivers: base: reintroduce find

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Message-ID: <da82c033-3a82-3420-4d06-f5c39c524ae9@metux.net>
Date:   Tue, 23 Feb 2021 21:13:26 +0100
From:   "Enrico Weigelt, metux IT consult" <info@...ux.net>
To:     Greg KH <gregkh@...uxfoundation.org>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>
Cc:     linux-kernel@...r.kernel.org, rafael@...nel.org,
        linus.walleij@...aro.org, bgolaszewski@...libre.com,
        robh+dt@...nel.org, frowand.list@...il.com,
        pantelis.antoniou@...sulko.com, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [RFC PATCH 09/12] drivers: base: reintroduce find_bus()

On 13.02.21 11:20, Greg KH wrote:
> On Mon, Feb 08, 2021 at 11:22:00PM +0100, Enrico Weigelt, metux IT consult wrote:
>> ---
>>   drivers/base/bus.c         | 14 ++++++++++----
>>   include/linux/device/bus.h |  2 ++
>>   2 files changed, 12 insertions(+), 4 deletions(-)
> 
> Um, no.

Why not ? Do you have a better idea ?

What I actually need is a way to unbdind a specific device, identified
by bus name and device name. The problem to be solved here is dropping
devices that have been enumerated in a bad way by firmware (ACPI in this
case), and then recreating it in a clean, consistent way.

If there was a variant of bus_find_device_by_name() which takes the name
instead of ptr to the bus, that would also be okay for me.


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287