linux-kernel - Re: [PATCH v2 4/9] remoteproc: Introduce Qualcomm WCNSS firmware loader

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20160525190058.GV1256@tuxbot>
Date:	Wed, 25 May 2016 12:00:58 -0700
From:	Bjorn Andersson <bjorn.andersson@...aro.org>
To:	Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:	Ohad Ben-Cohen <ohad@...ery.com>, Rob Herring <robh+dt@...nel.org>,
	Suman Anna <s-anna@...com>,
	John Stultz <john.stultz@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Subject: Re: [PATCH v2 4/9] remoteproc: Introduce Qualcomm WCNSS firmware
 loader

On Wed 25 May 04:13 PDT 2016, Stanimir Varbanov wrote:

> On 03/29/2016 06:37 AM, Bjorn Andersson wrote:
> > From: Bjorn Andersson <bjorn.andersson@...ymobile.com>
> > 
> > This introduces the peripheral image loader, for loading WCNSS firmware
> > and boot the core on e.g. MSM8974. The firmware is verified and booted
> > with the help of the Peripheral Authentication System (PAS) in
> > TrustZone.
> > 
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > ---
> > 
> > Changes since v1:
> > - Split iris definition into separate driver/dt-node
> > - Move constants from DT to code
> > - Make stop-state and some of interrupts optional to properly work on 8064
> > - Cleaned up and made mdt loader support relocation, which is needed on 8016.
> > 
> >  drivers/remoteproc/Kconfig           |  12 +
> >  drivers/remoteproc/Makefile          |   2 +
> >  drivers/remoteproc/qcom_mdt_loader.c | 172 +++++++++++
> >  drivers/remoteproc/qcom_mdt_loader.h |   7 +
> >  drivers/remoteproc/qcom_wcnss.c      | 579 +++++++++++++++++++++++++++++++++++
> >  drivers/remoteproc/qcom_wcnss.h      |  22 ++
> >  drivers/remoteproc/qcom_wcnss_iris.c | 185 +++++++++++
> >  7 files changed, 979 insertions(+)
> >  create mode 100644 drivers/remoteproc/qcom_mdt_loader.c
> >  create mode 100644 drivers/remoteproc/qcom_mdt_loader.h
> >  create mode 100644 drivers/remoteproc/qcom_wcnss.c
> >  create mode 100644 drivers/remoteproc/qcom_wcnss.h
> >  create mode 100644 drivers/remoteproc/qcom_wcnss_iris.c
> > 
> 
> <cut>
> 
> > +
> > +static int wcnss_remove(struct platform_device *pdev)
> > +{
> > +	struct qcom_wcnss *wcnss = platform_get_drvdata(pdev);
> > +
> > +	of_platform_depopulate(&pdev->dev);
> > +
> > +	qcom_smem_state_put(wcnss->state);
> > +	rproc_put(wcnss->rproc);
> 
> might be need to call rproc_del() too ?
> 

You're correct. Thanks for having a look!

Regards,
Bjorn