Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 16 Mar 2021 11:36:24 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To:     Jeffrey Hugo <jhugo@codeaurora.org>
Cc:     hemantk@codeaurora.org, bbhatt@codeaurora.org,
        linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Fan Wu <wufan@codeaurora.org>
Subject: Re: [PATCH v3 RESEND] bus: mhi: core: Return EAGAIN if MHI ring is
 full
Message-ID: <20210316060624.GF1798@thinkpad>
References: <1615408803-7016-1-git-send-email-jhugo@codeaurora.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1615408803-7016-1-git-send-email-jhugo@codeaurora.org>
Precedence: bulk

On Wed, Mar 10, 2021 at 01:40:03PM -0700, Jeffrey Hugo wrote:
> From: Fan Wu <wufan@codeaurora.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@codeaurora.org>
> Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
> Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.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.
>