linux-kernel - Re: [PATCH] phy: qcom-qmp: Introduce Kconfig symbols for discrete drivers

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Date:   Mon, 23 Jan 2023 11:35:33 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>
Subject: Re: [PATCH] phy: qcom-qmp: Introduce Kconfig symbols for discrete
 drivers

On Fri, Jan 13, 2023 at 04:09:10PM -0800, Stephen Boyd wrote:
> Introduce a config option for each QMP PHY driver now that the QMP PHY
> mega-driver has been split up into different modules. This allows kernel
> configurators to limit the binary size of the kernel by only compiling
> in the QMP PHY driver that they need, or to split the module up into one
> per PHY driver instead of one module for all the QMP PHY drivers.

Nit: The drivers are already built as separate modules even if they can
currently only be enabled together.

> Leave the old config QCOM_QMP in place and make it into a menuconfig so
> that 'make olddefconfig' continues to work. Furthermore, set the default
> of the new Kconfig symbols to be QCOM_QMP so that the transition is
> smooth.

Perhaps this should go eventually.
 
> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Cc: Johan Hovold <johan+linaro@...nel.org>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>

Looks good otherwise:

Reviewed-by: Johan Hovold <johan+linaro@...nel.org>

Johan