linux-kernel - RE: [PATCH v4] mfd: add Intel Broxton Whiskey Cove PMIC driver

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Message-ID: <C6287702A945AC47BE5DB5DFD4B5C6DD01948BB5@SHSMSX104.ccr.corp.intel.com>
Date:	Fri, 21 Aug 2015 07:44:21 +0000
From:	"Zha, Qipeng" <qipeng.zha@...el.com>
To:	Lee Jones <lee.jones@...aro.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"Yang, Fei" <fei.yang@...el.com>,
	"Ortiz, Samuel" <samuel.ortiz@...el.com>
Subject: RE: [PATCH v4] mfd: add Intel Broxton Whiskey Cove PMIC driver

>  intel-soc-pmic-objs		:= intel_soc_pmic_core.o intel_soc_pmic_crc.o
> +intel-soc-pmic-$(CONFIG_INTEL_PMC_IPC)	+= intel_soc_pmic_bxtwc.o

> You want to build this for all Intel products?
As intel_soc_pmic_crc driver, this is depend on the option of CONFIG_INTEL_SOC_PMIC,
And it's depend on CONFIG_INTEL_PMC_IPC since hardware dependency.

> +
> +/* sysfs interfaces to r/w PMIC registers, required by initial script 
> +*/

> You really want to be able to do that from userspace?
There is real requirement for this.