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

From: Stanimir Varbanov
Date: Wed May 25 2016 - 07:13:50 EST


On 03/29/2016 06:37 AM, Bjorn Andersson wrote:
> From: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxx>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
>
> 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