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

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Message-ID: <574588E2.60506@linaro.org>
Date:	Wed, 25 May 2016 14:13:38 +0300
From:	Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:	Bjorn Andersson <bjorn.andersson@...aro.org>,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Rob Herring <robh+dt@...nel.org>
Cc:	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 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 ?

> +
> +	return 0;
> +}
> +

<cut>

-- 
regards,
Stan