Hi

On 7/7/20 11:14 AM, richard.g...@linux.intel.com wrote:
> From: Richard Gong <richard.g...@intel.com>
> 
> When CTRL+C occurs during the process of FPGA reconfiguration, the FPGA
> reconfiguration process stops and the user can't perform a new FPGA
> reconfiguration properly.
> 
> Set FPGA complete task to be not interruptible so that the user can
> properly perform FPGA reconfiguration after CTRL+C event.
> 
> Signed-off-by: Richard Gong <richard.g...@intel.com>
> ---
>  drivers/fpga/stratix10-soc.c | 23 +++--------------------
>  1 file changed, 3 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
> index 44b7c56..657a70c 100644
> --- a/drivers/fpga/stratix10-soc.c
> +++ b/drivers/fpga/stratix10-soc.c
> @@ -196,17 +196,13 @@ static int s10_ops_write_init(struct fpga_manager *mgr,
>       if (ret < 0)
>               goto init_done;
>  
> -     ret = wait_for_completion_interruptible_timeout(
> +     ret = wait_for_completion_timeout(
>               &priv->status_return_completion, S10_RECONFIG_TIMEOUT);
>       if (!ret) {
>               dev_err(dev, "timeout waiting for RECONFIG_REQUEST\n");
>               ret = -ETIMEDOUT;
>               goto init_done;
>       }
> -     if (ret < 0) {
> -             dev_err(dev, "error (%d) waiting for RECONFIG_REQUEST\n", ret);
> -             goto init_done;
> -     }
>  
>       ret = 0;
>       if (!test_and_clear_bit(SVC_STATUS_OK, &priv->status)) {
> @@ -318,7 +314,7 @@ static int s10_ops_write(struct fpga_manager *mgr, const 
> char *buf,
>                */
>               wait_status = 1; /* not timed out */
>               if (!priv->status)
> -                     wait_status = wait_for_completion_interruptible_timeout(
> +                     wait_status = wait_for_completion_timeout(
>                               &priv->status_return_completion,
>                               S10_BUFFER_TIMEOUT);
>  
> @@ -340,13 +336,6 @@ static int s10_ops_write(struct fpga_manager *mgr, const 
> char *buf,
>                       ret = -ETIMEDOUT;
>                       break;
>               }
> -             if (wait_status < 0) {
> -                     ret = wait_status;
> -                     dev_err(dev,
> -                             "error (%d) waiting for svc layer buffers\n",
> -                             ret);
> -                     break;
> -             }
>       }
>  
>       if (!s10_free_buffers(mgr))
> @@ -372,7 +361,7 @@ static int s10_ops_write_complete(struct fpga_manager 
> *mgr,
>               if (ret < 0)
>                       break;
>  
> -             ret = wait_for_completion_interruptible_timeout(
> +             ret = wait_for_completion_timeout(
>                       &priv->status_return_completion, timeout);
>               if (!ret) {
>                       dev_err(dev,
> @@ -380,12 +369,6 @@ static int s10_ops_write_complete(struct fpga_manager 
> *mgr,
>                       ret = -ETIMEDOUT;
>                       break;
>               }
> -             if (ret < 0) {
> -                     dev_err(dev,
> -                             "error (%d) waiting for RECONFIG_COMPLETED\n",
> -                             ret);
> -                     break;
> -             }
>               /* Not error or timeout, so ret is # of jiffies until timeout */
>               timeout = ret;
>               ret = 0;
> 

Do you need the same change in drivers/fpga/socfpga.c? Also, you did not
include Moritz Fisher on this. He's the maintainer.

Dinh

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