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Message-ID: <20210316060624.GF1798@thinkpad>
Date:   Tue, 16 Mar 2021 11:36:24 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Jeffrey Hugo <jhugo@...eaurora.org>
Cc:     hemantk@...eaurora.org, bbhatt@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Fan Wu <wufan@...eaurora.org>
Subject: Re: [PATCH v3 RESEND] bus: mhi: core: Return EAGAIN if MHI ring is
 full

On Wed, Mar 10, 2021 at 01:40:03PM -0700, Jeffrey Hugo wrote:
> From: Fan Wu <wufan@...eaurora.org>
> 
> Currently ENOMEM is returned when MHI ring is full. This error code is
> very misleading. Change to EAGAIN instead.
> 
> Signed-off-by: Fan Wu <wufan@...eaurora.org>
> Signed-off-by: Jeffrey Hugo <jhugo@...eaurora.org>
> Reviewed-by: Hemant Kumar <hemantk@...eaurora.org>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Applied to mhi-next!

Thanks,
Mani

> ---
>  drivers/bus/mhi/core/main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index 2c61dfd..a7811fb 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -1020,7 +1020,7 @@ static int mhi_queue(struct mhi_device *mhi_dev, struct mhi_buf_info *buf_info,
>  
>  	ret = mhi_is_ring_full(mhi_cntrl, tre_ring);
>  	if (unlikely(ret)) {
> -		ret = -ENOMEM;
> +		ret = -EAGAIN;
>  		goto exit_unlock;
>  	}
>  
> -- 
> Qualcomm Technologies, Inc. is a member of the
> Code Aurora Forum, a Linux Foundation Collaborative Project.
> 

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