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[PATCH 01/10] Documentation: DT: qcom_hidma: update binding for MSI

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  [PATCH 01/10] Documentation: DT: qcom_hidma: update binding for MSI Sinan Kaya <okaya@codeaurora.org> - 2016-07-18 20:40 +0200
    Re: [PATCH 01/10] Documentation: DT: qcom_hidma: update binding for  MSI Mark Rutland <mark.rutland@arm.com> - 2016-07-19 12:40 +0200
      Re: [PATCH 01/10] Documentation: DT: qcom_hidma: update binding for  MSI Sinan Kaya <okaya@codeaurora.org> - 2016-07-19 14:50 +0200

#1445697 — [PATCH 01/10] Documentation: DT: qcom_hidma: update binding for MSI

Adding a new binding for qcom,hidma-1.1 to distinguish HW supporting
MSI interrupts from the older revision.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
---
 Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
index fd5618b..45ce75b 100644
--- a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
+++ b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
@@ -47,7 +47,8 @@ When the OS is not in control of the management interface (i.e. it's a guest),
 the channel nodes appear on their own, not under a management node.
 
 Required properties:
-- compatible: must contain "qcom,hidma-1.0"
+- compatible: must contain "qcom,hidma-1.0" for initial HW or "qcom,hidma-1.1"
+for MSI capable HW.
 - reg: Addresses for the transfer and event channel
 - interrupts: Should contain the event interrupt
 - desc-count: Number of asynchronous requests this channel can handle
-- 
1.8.2.1

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#1446317 — Re: [PATCH 01/10] Documentation: DT: qcom_hidma: update binding for MSI

On Mon, Jul 18, 2016 at 02:39:28PM -0400, Sinan Kaya wrote:
> Adding a new binding for qcom,hidma-1.1 to distinguish HW supporting
> MSI interrupts from the older revision.
> 
> Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
> ---
>  Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
> index fd5618b..45ce75b 100644
> --- a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
> +++ b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt
> @@ -47,7 +47,8 @@ When the OS is not in control of the management interface (i.e. it's a guest),
>  the channel nodes appear on their own, not under a management node.
>  
>  Required properties:
> -- compatible: must contain "qcom,hidma-1.0"
> +- compatible: must contain "qcom,hidma-1.0" for initial HW or "qcom,hidma-1.1"
> +for MSI capable HW.

Don't we need properties to describe the MSI details (e.g. sideband data
like DeviceID)?

Thanks,
Mark.

>  - reg: Addresses for the transfer and event channel
>  - interrupts: Should contain the event interrupt
>  - desc-count: Number of asynchronous requests this channel can handle
> -- 
> 1.8.2.1
> 

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#1446407 — Re: [PATCH 01/10] Documentation: DT: qcom_hidma: update binding for MSI

On 7/19/2016 6:37 AM, Mark Rutland wrote:
>>  Required properties:
>> > -- compatible: must contain "qcom,hidma-1.0"
>> > +- compatible: must contain "qcom,hidma-1.0" for initial HW or "qcom,hidma-1.1"
>> > +for MSI capable HW.
> Don't we need properties to describe the MSI details (e.g. sideband data
> like DeviceID)?
> 
> Thanks,
> Mark.
> 

You are right. I forgot to copy those.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

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