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    SubjectRe: [PATCH v2 07/29] venus: hfi_venus: add halt AXI support for Venus 4xx
    On Tue, May 15, 2018 at 5:12 PM Stanimir Varbanov <
    stanimir.varbanov@linaro.org> wrote:

    > Add AXI halt support for version 4xx by using venus wrapper
    > registers.

    > Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
    > ---
    > drivers/media/platform/qcom/venus/hfi_venus.c | 17 +++++++++++++++++
    > 1 file changed, 17 insertions(+)

    > diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c
    b/drivers/media/platform/qcom/venus/hfi_venus.c
    > index 734ce11b0ed0..53546174aab8 100644
    > --- a/drivers/media/platform/qcom/venus/hfi_venus.c
    > +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
    > @@ -532,6 +532,23 @@ static int venus_halt_axi(struct venus_hfi_device
    *hdev)
    > u32 val;
    > int ret;

    > + if (hdev->core->res->hfi_version == HFI_VERSION_4XX) {
    > + val = venus_readl(hdev, WRAPPER_CPU_AXI_HALT);
    > + val |= BIT(16);

    Can we have the bit defined?

    > + venus_writel(hdev, WRAPPER_CPU_AXI_HALT, val);
    > +
    > + ret = readl_poll_timeout(base +
    WRAPPER_CPU_AXI_HALT_STATUS,
    > + val, val & BIT(24),

    Ditto.

    Best regards,
    Tomasz

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