From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH v4 00/38] platform/x86: Rework intel_scu_ipc and
 intel_pmc_ipc drivers
Date: Tue, 21 Jan 2020 17:06:56 +0000
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To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Darren Hart <dvhart@infradead.org>, Lee Jones <lee.jones@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, "H . Peter Anvin" <hpa@zytor.com>, x86@kernel.org, Zha Qipeng <qipeng.zha@intel.com>, "David E . Box" <david.e.box@linux.intel.com>, Guenter Roeck <linux@roeck-us.net>, Heikki Krogerus <heikki.krogerus@linux.intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Wim Van Sebroeck <wim@linux-watchdog.org>, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org
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On Tue, Jan 21, 2020 at 07:00:22PM +0200, Mika Westerberg wrote:

> OK, thanks for the clarification. I guess in this case we can probably
> just live without using it, if that's fine for Lee and others. The new
> MFD driver itself is ~500 lines so not sure how much regmap would help
> there, and we only expose two simple functions for the subdevices both
> dealing with 64-bit registers.

The usual motivation is all the diagnostic infrastructure you get with
regmap - tracepoints for I/O and the ability to dump the register map in
debugfs mainly.

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