From: Will Deacon <will.deacon@arm.com>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Mark Rutland <Mark.Rutland@arm.com>,
Neil Leeder <nleeder@codeaurora.org>,
Ashwin Chaugule <ashwinc@codeaurora.org>,
Ashwin Chaugule <ashwin.chaugule@linaro.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Sheetal Sahasrabudhe <sheetals@codeaurora.org>
Subject: Re: [PATCH v3 0/3] Scorpion PMU support
Date: Mon, 2 Mar 2015 18:24:24 +0000 [thread overview]
Message-ID: <20150302182424.GE7919@arm.com> (raw)
In-Reply-To: <1425082295-10941-1-git-send-email-sboyd@codeaurora.org>
On Sat, Feb 28, 2015 at 12:11:32AM +0000, Stephen Boyd wrote:
> These patches add support for the Scorpion PMU found on devices
> such as msm8660, qsd8x50, etc. The first patch is some groundwork
> to make functions more "generic". Even then we end up copying quite
> a bit of code from the Krait part into the Scorpion part with only
> subtle tweaks because two things happen:
>
> 1. We gain another "region" register, L2LPM
> 2. The way to access the region registers are with different cp15 instructions
>
> I'm not sure how to make this better, suggestions are welcome. The second
> patch is an optimization for an implementation defined register. The
> final patch is the one that actually adds support for Scorpion.
>
> Changes from v2:
> * New patch 2
> * Macros instead of an inline function for patch 1
Thanks, Stephen. I'll queue this for 4.1.
Will
WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 0/3] Scorpion PMU support
Date: Mon, 2 Mar 2015 18:24:24 +0000 [thread overview]
Message-ID: <20150302182424.GE7919@arm.com> (raw)
In-Reply-To: <1425082295-10941-1-git-send-email-sboyd@codeaurora.org>
On Sat, Feb 28, 2015 at 12:11:32AM +0000, Stephen Boyd wrote:
> These patches add support for the Scorpion PMU found on devices
> such as msm8660, qsd8x50, etc. The first patch is some groundwork
> to make functions more "generic". Even then we end up copying quite
> a bit of code from the Krait part into the Scorpion part with only
> subtle tweaks because two things happen:
>
> 1. We gain another "region" register, L2LPM
> 2. The way to access the region registers are with different cp15 instructions
>
> I'm not sure how to make this better, suggestions are welcome. The second
> patch is an optimization for an implementation defined register. The
> final patch is the one that actually adds support for Scorpion.
>
> Changes from v2:
> * New patch 2
> * Macros instead of an inline function for patch 1
Thanks, Stephen. I'll queue this for 4.1.
Will
next prev parent reply other threads:[~2015-03-02 18:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-28 0:11 [PATCH v3 0/3] Scorpion PMU support Stephen Boyd
2015-02-28 0:11 ` Stephen Boyd
2015-02-28 0:11 ` [PATCH v3 1/3] ARM: perf: Preparatory work for " Stephen Boyd
2015-02-28 0:11 ` Stephen Boyd
2015-02-28 0:11 ` [PATCH v3 2/3] ARM: perf: Only reset PMxEVCNTCR registers on reset Stephen Boyd
2015-02-28 0:11 ` Stephen Boyd
2015-02-28 0:11 ` [PATCH v3 3/3] ARM: perf: Add support for Scorpion PMUs Stephen Boyd
2015-02-28 0:11 ` Stephen Boyd
2015-02-28 0:11 ` Stephen Boyd
2015-03-02 18:24 ` Will Deacon [this message]
2015-03-02 18:24 ` [PATCH v3 0/3] Scorpion PMU support Will Deacon
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