From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Evan Green <evgreen@chromium.org>,
Rob Herring <robh+dt@kernel.org>,
Douglas Anderson <dianders@chromium.org>,
Stephen Boyd <swboyd@chromium.org>,
Andy Gross <agross@kernel.org>,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/4] nvmem: qfprom: Avoid untouchable regions
Date: Mon, 2 Nov 2020 16:34:57 -0600 [thread overview]
Message-ID: <20201102223457.GA65067@builder.lan> (raw)
In-Reply-To: <0a7d86ee-96b0-eff8-e315-ff65086661ee@linaro.org>
On Mon 02 Nov 09:58 CST 2020, Srinivas Kandagatla wrote:
>
>
> On 29/10/2020 00:28, Evan Green wrote:
> > Certain fuses are protected by the XPU such that the AP cannot
> > access them. Attempting to do so causes an SError. Introduce an
> > SoC-specific compatible string, and introduce support into the
> > nvmem core to avoid accessing specified regions. Then use those
> > new elements in the qfprom driver to avoid SErrors when usermode
> > accesses certain registers.
> >
> > Changes in v3:
> > - Fixed example (Doug and rob-bot)
> > - Use min()/max() macros instead of defining my own (Doug)
> > - Comment changes to indicate sorting (Doug)
> > - Add function to validate keepouts are proper (Doug)
> >
> > Changes in v2:
> > - Add other soc compatible strings (Doug)
> > - Fix compatible string definition (Doug)
> > - Introduced keepout regions into the core (Srini)
> > - Use new core support in qfprom (Srini)
> >
> > Evan Green (4):
> > dt-bindings: nvmem: Add soc qfprom compatible strings
> > arm64: dts: qcom: sc7180: Add soc-specific qfprom compat string
> > nvmem: core: Add support for keepout regions
> > nvmem: qfprom: Don't touch certain fuses
>
> Except dts patch, I have applied all the patches, dts patch should go via
> arm-soc tree!
>
And I've picked the dts patch.
Thank you,
Bjorn
>
> --srini
>
> >
> > .../bindings/nvmem/qcom,qfprom.yaml | 17 +-
> > arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 +-
> > drivers/nvmem/core.c | 153 +++++++++++++++++-
> > drivers/nvmem/qfprom.c | 30 ++++
> > include/linux/nvmem-provider.h | 17 ++
> > 5 files changed, 211 insertions(+), 8 deletions(-)
> >
prev parent reply other threads:[~2020-11-02 22:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 0:28 [PATCH v3 0/4] nvmem: qfprom: Avoid untouchable regions Evan Green
2020-10-29 0:28 ` [PATCH v3 1/4] dt-bindings: nvmem: Add soc qfprom compatible strings Evan Green
2020-11-02 15:32 ` Rob Herring
2020-10-29 0:28 ` [PATCH v3 2/4] arm64: dts: qcom: sc7180: Add soc-specific qfprom compat string Evan Green
2020-11-02 15:58 ` [PATCH v3 0/4] nvmem: qfprom: Avoid untouchable regions Srinivas Kandagatla
2020-11-02 22:34 ` Bjorn Andersson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201102223457.GA65067@builder.lan \
--to=bjorn.andersson@linaro.org \
--cc=agross@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=evgreen@chromium.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=srinivas.kandagatla@linaro.org \
--cc=swboyd@chromium.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).