From: "Arnd Bergmann" <arnd@arndb.de>
To: "Conor Dooley" <conor@kernel.org>,
"Julian Braha" <julianbraha@gmail.com>
Cc: "Bin Liu" <b-liu@ti.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
"Conor.Dooley" <conor.dooley@microchip.com>,
"Daire McNamara" <daire.mcnamara@microchip.com>,
valentina.fernandezalanis@microchip.com,
"Michael Turquette" <mturquette@baylibre.com>,
"Stephen Boyd" <sboyd@kernel.org>,
"Claudiu Beznea" <claudiu.beznea@microchip.com>,
"Jassi Brar" <jassisinghbrar@gmail.com>,
"Alessandro Zummo" <a.zummo@towertech.it>,
"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
"Wolfram Sang" <wsa@kernel.org>,
"Ben Dooks" <ben.dooks@codethink.co.uk>,
"Heinrich Schuchardt" <heinrich.schuchardt@canonical.com>
Subject: Re: [PATCH] usb: musb: fix dead select of USB_MUSB_DUAL_ROLE
Date: Mon, 13 Jul 2026 08:26:46 +0200 [thread overview]
Message-ID: <e771f4d0-a442-4a02-9ea8-4d6078d74bd8@app.fastmail.com> (raw)
In-Reply-To: <20260712-parole-stoning-d7e66a0961a8@spud>
On Sun, Jul 12, 2026, at 23:56, Conor Dooley wrote:
> On Sat, Jul 11, 2026 at 04:09:58PM +0100, Julian Braha wrote:
>> On 7/11/26 15:39, Arnd Bergmann wrote:
>> > Good catch, but I wonder if this is actually a real dependency
>> > at all. What would happen if you just remove the 'select' line
>> > here and build a polarfire kernel that only supports
>> > host or gadget mode but not dual-role?
>>
>> The kernel builds just fine for me with USB_MUSB_POLARFIRE_SOC=y and
>> USB_MUSB_DUAL_ROLE=n
>>
> This is the setup I've been using in my development environment for
> (probably) years.
>
> Probably the select should just be deleted.
Ok, so it was probably just a misguided attempt to pick the most
useful configuration by default.
Julian, can you send a new patch to just drop the line?
Arnd
prev parent reply other threads:[~2026-07-13 6:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-11 13:03 Julian Braha
2026-07-11 14:39 ` Arnd Bergmann
2026-07-11 15:09 ` Julian Braha
2026-07-12 21:56 ` Conor Dooley
2026-07-13 6:26 ` Arnd Bergmann [this message]
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