linux-kernel - Re: [PATCH v7 1/6] usb: Add support for Intel LJCA device

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Message-ID: <ZB831a6F4A7qufqs@sirena.org.uk>
Date:   Sat, 25 Mar 2023 18:05:09 +0000
From:   Mark Brown <broonie@...nel.org>
To:     "Ye, Xiang" <xiang.ye@...el.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Matthias Kaehlcke <mka@...omium.org>,
        Lee Jones <lee@...nel.org>, Wolfram Sang <wsa@...nel.org>,
        Tyrone Ting <kfting@...oton.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>, linux-usb@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-gpio@...r.kernel.org,
        srinivas.pandruvada@...el.com, heikki.krogerus@...ux.intel.com,
        andriy.shevchenko@...ux.intel.com, sakari.ailus@...ux.intel.com,
        zhifeng.wang@...el.com, wentong.wu@...el.com, lixu.zhang@...el.com
Subject: Re: [PATCH v7 1/6] usb: Add support for Intel LJCA device

On Sun, Mar 26, 2023 at 01:26:55AM +0800, Ye, Xiang wrote:
> On Sat, Mar 25, 2023 at 05:20:09PM +0100, Greg Kroah-Hartman wrote:

> > As this requires ACPI, why are you not saying so in your Kconfig entry?

> I would add a `depends on ACPI` item on the Kconfig entry so that the
> CONFI_ACPI macro can be removed from usb-ljca, because our use case with

> LJCA currently needs the ACPI binding.

> > What good would this driver be without ACPI enabled?
> Before, I just tried to make it compatible with other platforms that
> don't support ACPI but want to use LJCA device. But, We don't have
> this use case until now.

If it builds without ACPI then making the dependency ACPI ||
COMPILE_TEST will help improve build coverage for people doing
treewide or subsystem work.

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