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Message-ID: <5e157cb3.1c69fb81.4f0ae.6172@mx.google.com>
Date: Tue, 07 Jan 2020 22:54:43 -0800
From: Stephen Boyd <swboyd@...omium.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>,
Elliot Berman <eberman@...eaurora.org>
Cc: agross@...nel.org, Stephan Gerhold <stephan@...hold.net>,
saiprakash.ranjan@...eaurora.org, tsoni@...eaurora.org,
sidgup@...eaurora.org, psodagud@...eaurora.org,
Brian Masney <masneyb@...tation.org>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 00/17] Restructure, improve target support for qcom_scm driver
Quoting Bjorn Andersson (2020-01-07 22:42:53)
> On Tue 07 Jan 13:04 PST 2020, Elliot Berman wrote:
>
> > This series improves support for 32-bit Qualcomm targets on qcom_scm driver and cleans
> > up the driver for 64-bit implementations.
> >
> > Currently, the qcom_scm driver supports only 64-bit Qualcomm targets and very
> > old 32-bit Qualcomm targets. Newer 32-bit targets use ARM's SMC Calling
> > Convention to communicate with secure world. Older 32-bit targets use a
> > "buffer-based" legacy approach for communicating with secure world (as
> > implemented in qcom_scm-32.c). All arm64 Qualcomm targets use ARM SMCCC.
> > Currently, SMCCC-based communication is enabled only on ARM64 config and
> > buffer-based communication only on ARM config. This patch-series combines SMCCC
> > and legacy conventions and selects the correct convention by querying the secure
> > world [1].
> >
> > We decided to take the opportunity as well to clean up the driver rather than
> > try to patch together qcom_scm-32 and qcom_scm-64.
> >
>
> Series applied.
Without the change-ids presumably? I was going to review the patch
series tomorrow but I guess no more need! ;-)
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