linux-kernel - Re: [PATCH v2] hwspinlock/msm: Add support for Qualcomm MSM HW Mutex block

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Date:	Fri, 29 Aug 2014 17:47:31 -0700
From:	Courtney Cavin <courtney.cavin@...ymobile.com>
To:	Stephen Boyd <sboyd@...eaurora.org>
CC:	"Andersson, Bj?rn" <Bjorn.Andersson@...ymobile.com>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Grant Likely <grant.likely@...aro.org>,
	Suman Anna <s-anna@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	Jeffrey Hugo <jhugo@...eaurora.org>,
	Eric Holmberg <eholmber@...eaurora.org>
Subject: Re: [PATCH v2] hwspinlock/msm: Add support for Qualcomm MSM HW Mutex
 block

On Sat, Aug 30, 2014 at 02:14:07AM +0200, Stephen Boyd wrote:
> On 08/29/14 16:41, Courtney Cavin wrote:
> > On Sat, Aug 30, 2014 at 01:14:23AM +0200, Bjorn Andersson wrote:
> >> From: Kumar Gala <galak@...eaurora.org>
> >>
> >> Add driver for Qualcomm MSM Hardware Mutex block that exists on
> >> newer Qualcomm SoCs.
> >>
> >> Cc: Jeffrey Hugo <jhugo@...eaurora.org>
> >> Cc: Eric Holmberg <eholmber@...eaurora.org>
> >> Cc: Courtney Cavin <courtney.cavin@...ymobile.com>
> >> Signed-off-by: Kumar Gala <galak@...eaurora.org>
> >> [bjorn: added pm_runtime calls, from Courtney,
> >> 	added sfpb-mutex compatible,
> >> 	updated DT binding documentation formatting]
> >> Signed-off-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
> >> ---
> > [...]
> >> diff --git a/drivers/hwspinlock/Kconfig b/drivers/hwspinlock/Kconfig
> >> index 3612cb5..2cd39e2 100644
> >> --- a/drivers/hwspinlock/Kconfig
> >> +++ b/drivers/hwspinlock/Kconfig
> >> @@ -8,6 +8,17 @@ config HWSPINLOCK
> >>  
> >>  menu "Hardware Spinlock drivers"
> >>  
> >> +config HWSPINLOCK_MSM
> >> +	tristate "MSM Hardware Spinlock device"
> >> +	depends on ARCH_QCOM
> > This should also depend on OF, as it won't compile or work without it.
> 
> Doesn't ARCH_QCOM imply OF? ARCH_MULTIPLATFORM has a select USE_OF.

Hrm.  Apparently.

-Courtney
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