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] bus: mhi: core: Return EAGAIN if MHI ring is full
Date: Wed, 24 Feb 2021 15:25:37 +0530 [thread overview]
Message-ID: <20210224095537.GR27945@work> (raw)
In-Reply-To: <1613579209-3675-1-git-send-email-jhugo@codeaurora.org>
On Wed, Feb 17, 2021 at 09:26:49AM -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: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Thanks,
Mani
> ---
>
> v3: Fix subject
> v2: Change from EBUSY to EAGAIN
>
> 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 b63f9e6..1eb2fd3 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -1054,7 +1054,7 @@ 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.
>
prev parent reply other threads:[~2021-02-24 9:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-17 16:26 [PATCH v3] bus: mhi: core: Return EAGAIN if MHI ring is full Jeffrey Hugo
2021-02-17 16:44 ` Hemant Kumar
2021-02-24 9:55 ` Manivannan Sadhasivam [this message]
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