Re: [PATCH v2] hwspinlock/msm: Add support for Qualcomm MSM HW Mutex block
From: Stephen Boyd
Date: Fri Aug 29 2014 - 20:14:28 EST
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@xxxxxxxxxxxxxx>
>> Add driver for Qualcomm MSM Hardware Mutex block that exists on
>> newer Qualcomm SoCs.
>> Cc: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>
>> Cc: Eric Holmberg <eholmber@xxxxxxxxxxxxxx>
>> Cc: Courtney Cavin <courtney.cavin@xxxxxxxxxxxxxx>
>> Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxx>
>> [bjorn: added pm_runtime calls, from Courtney,
>> added sfpb-mutex compatible,
>> updated DT binding documentation formatting]
>> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
>> 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.
>> + select HWSPINLOCK
>> + help
>> + Say y here to support the MSM Hardware Mutex functionality, which
>> + provides a synchronisation mechanism for the various processors on
>> + the SoC.
>> + If unsure, say N.
Maybe MSM should be changed to qcom? Just a thought.
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