linux-kernel - Could you support the modules of the coresight drivers?

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Message-ID: <000001d6510d$c3bfcd00$4b3f6700$@samsung.com>
Date:   Fri, 3 Jul 2020 16:44:21 +0900
From:   김창기 <changki.kim@...sung.com>
To:     <mathieu.poirier@...aro.org>
Cc:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <suzuki.poulose@....com>,
        <alexander.shishkin@...ux.intel.com>
Subject: Could you support the modules of the coresight drivers?

Hello.

I am software engineer in charge of BSP (Samsung SOC vendor).

Recently, Google introduced GKI from Android 11(R) version.
So we can't modified kernel code except module drivers.

Coresight drivers doesn't support module.
I need the module support because our SoC should set value to vendor
specific register to run ETMv4.
And in GKI, ETM has disabled in recommend defconfig.
So if we use ETM in Android 12(S), it should support module.

Could you support the modules of the coresight drivers?