diff mbox series

[v3] bus: mhi: core: Return EAGAIN if MHI ring is full

Message ID 1613579209-3675-1-git-send-email-jhugo@codeaurora.org
State New
Headers show
Series [v3] bus: mhi: core: Return EAGAIN if MHI ring is full | expand

Commit Message

Jeffrey Hugo Feb. 17, 2021, 4:26 p.m. UTC 
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>
---

v3: Fix subject
v2: Change from EBUSY to EAGAIN

 drivers/bus/mhi/core/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Hemant Kumar Feb. 17, 2021, 4:44 p.m. UTC | #1 
On 2/17/21 8:26 AM, 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>
Manivannan Sadhasivam Feb. 24, 2021, 9:55 a.m. UTC | #2 
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.

>
diff mbox series

Patch

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;
 	}