From: Iaroslav Gridin <voker57@gmail.com>
To: Andy Gross <andy.gross@linaro.org>
Cc: david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
linux@armlinux.org.uk, linux-arm-msm@vger.kernel.org,
linux-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: dts: msm8974: Add definitions for QCE & cryptobam
Date: Fri, 16 Sep 2016 20:38:01 +0300 [thread overview]
Message-ID: <20160916173800.r264xg5wqmer77wr@localhost> (raw)
In-Reply-To: <20160915211842.GB5431@hector.attlocal.net>
On Thu, Sep 15, 2016 at 04:18:42PM -0500, Andy Gross wrote:
> Actually, on thinking about this more, the bam block itself only requires the
> single clock. The peripheral it is attached to has to keep its sanity during
> the duration of the transfer (crypto). The crypto requires 3 clocks, one of
> which is the same clk the bam requires.
>
> You can access the BAM registers with the bam_clk only, correct?
Not preparing bam_clk degrades QCE performance about 3x, though.
WARNING: multiple messages have this Message-ID (diff)
From: voker57@gmail.com (Iaroslav Gridin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: msm8974: Add definitions for QCE & cryptobam
Date: Fri, 16 Sep 2016 20:38:01 +0300 [thread overview]
Message-ID: <20160916173800.r264xg5wqmer77wr@localhost> (raw)
In-Reply-To: <20160915211842.GB5431@hector.attlocal.net>
On Thu, Sep 15, 2016 at 04:18:42PM -0500, Andy Gross wrote:
> Actually, on thinking about this more, the bam block itself only requires the
> single clock. The peripheral it is attached to has to keep its sanity during
> the duration of the transfer (crypto). The crypto requires 3 clocks, one of
> which is the same clk the bam requires.
>
> You can access the BAM registers with the bam_clk only, correct?
Not preparing bam_clk degrades QCE performance about 3x, though.
next prev parent reply other threads:[~2016-09-16 17:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-30 15:37 [PATCH] ARM: dts: msm8974: Add definitions for QCE & cryptobam Iaroslav Gridin
2016-08-30 15:37 ` Iaroslav Gridin
2016-09-07 13:09 ` Stanimir Varbanov
2016-09-07 13:09 ` Stanimir Varbanov
2016-09-07 16:20 ` Iaroslav Gridin
2016-09-07 16:20 ` Iaroslav Gridin
2016-09-17 0:10 ` Stephen Boyd
2016-09-17 0:10 ` Stephen Boyd
2016-09-13 3:51 ` Bjorn Andersson
2016-09-13 3:51 ` Bjorn Andersson
2016-09-15 21:18 ` Andy Gross
2016-09-15 21:18 ` Andy Gross
2016-09-16 11:59 ` Iaroslav Gridin
2016-09-16 11:59 ` Iaroslav Gridin
2016-09-16 17:38 ` Iaroslav Gridin [this message]
2016-09-16 17:38 ` Iaroslav Gridin
2016-09-16 18:50 ` Andy Gross
2016-09-16 18:50 ` Andy Gross
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