v2 is merged.

Bruce

In message: [v2][inux-yocto][v5.10/standard/intel-sdk-5.10/intel-socfpga & 
v5.10/standard/preempt-rt/intel-sdk-5.10/intel-socfpga]  HSD #14017114324: 
fpga: stratix10-soc: wait for COMMAND_FIRMWARE_VERSION to complete
on 22/03/2023 Kang Wenlin wrote:

> From: Teh Wen Ping <[email protected]>
> 
> commit b575e6b93a77c42ea31af0787347d5b3cc67fff4 from
> https://github.com/altera-opensource/linux-socfpga.git
> 
> With the introduction of stratix10_svc_done(), all SMC call has to be
> completed before calling stratix10_svc_done(). The driver is missing a
> wait_for_completion_timeout() after requesting for
> COMMAND_FIRMWARE_VERSION. This cause SVC driver to stop its thread before
> COMMAND_FIRMWARE_VERSION is complete. Thus, the driver will receive
> invalid firmware version.
> 
> Signed-off-by: Teh Wen Ping <[email protected]>
> Signed-off-by: Wenlin Kang <[email protected]>
> ---
>  drivers/fpga/stratix10-soc.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
> index 225a1211ba62..ca253ee400cb 100644
> --- a/drivers/fpga/stratix10-soc.c
> +++ b/drivers/fpga/stratix10-soc.c
> @@ -496,6 +496,18 @@ static int s10_probe(struct platform_device *pdev)
>               goto probe_err;
>       }
>  
> +     ret = wait_for_completion_timeout(
> +             &priv->status_return_completion, S10_RECONFIG_TIMEOUT);
> +     if (!ret) {
> +             dev_err(dev, "timeout waiting for firmware version\n");
> +             stratix10_svc_done(priv->chan);
> +             fpga_mgr_free(mgr);
> +             ret = -ETIMEDOUT;
> +             goto probe_err;
> +     }
> +
> +     ret = 0;
> +
>       stratix10_svc_done(priv->chan);
>       platform_set_drvdata(pdev, mgr);
>       return ret;
> -- 
> 2.17.1
> 
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