linux-kernel - Re: [PATCH v5 11/12] Documentation: PCI: convert endpoint/pci-test-function.txt to reST

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Message-ID: <20190513120423.159b971f@coco.lan>
Date:   Mon, 13 May 2019 12:04:23 -0300
From:   Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
To:     Changbin Du <changbin.du@...il.com>
Cc:     bhelgaas@...gle.com, corbet@....net, linux-pci@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 11/12] Documentation: PCI: convert
 endpoint/pci-test-function.txt to reST

Em Mon, 13 May 2019 22:19:59 +0800
Changbin Du <changbin.du@...il.com> escreveu:

> This converts the plain text documentation to reStructuredText format and
> add it to Sphinx TOC tree. No essential content change.
> 
> Signed-off-by: Changbin Du <changbin.du@...il.com>
> Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
> ---
>  Documentation/PCI/endpoint/index.rst          |  1 +
>  ...est-function.txt => pci-test-function.rst} | 34 ++++++++++++-------
>  2 files changed, 22 insertions(+), 13 deletions(-)
>  rename Documentation/PCI/endpoint/{pci-test-function.txt => pci-test-function.rst} (84%)
> 
> diff --git a/Documentation/PCI/endpoint/index.rst b/Documentation/PCI/endpoint/index.rst
> index 3951de9f923c..b680a3fc4fec 100644
> --- a/Documentation/PCI/endpoint/index.rst
> +++ b/Documentation/PCI/endpoint/index.rst
> @@ -9,3 +9,4 @@ PCI Endpoint Framework
>  
>     pci-endpoint
>     pci-endpoint-cfs
> +   pci-test-function
> diff --git a/Documentation/PCI/endpoint/pci-test-function.txt b/Documentation/PCI/endpoint/pci-test-function.rst
> similarity index 84%
> rename from Documentation/PCI/endpoint/pci-test-function.txt
> rename to Documentation/PCI/endpoint/pci-test-function.rst
> index 5916f1f592bb..63148df97232 100644
> --- a/Documentation/PCI/endpoint/pci-test-function.txt
> +++ b/Documentation/PCI/endpoint/pci-test-function.rst
> @@ -1,5 +1,10 @@
> -				PCI TEST
> -		    Kishon Vijay Abraham I <kishon@...com>
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +=================
> +PCI Test Function
> +=================
> +
> +:Author: Kishon Vijay Abraham I <kishon@...com>
>  
>  Traditionally PCI RC has always been validated by using standard
>  PCI cards like ethernet PCI cards or USB PCI cards or SATA PCI cards.
> @@ -23,30 +28,31 @@ The PCI endpoint test device has the following registers:
>  	8) PCI_ENDPOINT_TEST_IRQ_TYPE
>  	9) PCI_ENDPOINT_TEST_IRQ_NUMBER
>  
> -*) PCI_ENDPOINT_TEST_MAGIC
> +* PCI_ENDPOINT_TEST_MAGIC
>  
>  This register will be used to test BAR0. A known pattern will be written
>  and read back from MAGIC register to verify BAR0.
>  
> -*) PCI_ENDPOINT_TEST_COMMAND:
> +* PCI_ENDPOINT_TEST_COMMAND
>  
>  This register will be used by the host driver to indicate the function
>  that the endpoint device must perform.
>  
> -Bitfield Description:
> +Bitfield Description::
> +
>    Bit 0		: raise legacy IRQ
>    Bit 1		: raise MSI IRQ
>    Bit 2		: raise MSI-X IRQ
>    Bit 3		: read command (read data from RC buffer)
>    Bit 4		: write command (write data to RC buffer)
> -  Bit 5		: copy command (copy data from one RC buffer to another
> -		  RC buffer)
> +  Bit 5		: copy command (copy data from one RC buffer to another RC buffer)

Why not use a table instead?

>  
> -*) PCI_ENDPOINT_TEST_STATUS
> +* PCI_ENDPOINT_TEST_STATUS
>  
>  This register reflects the status of the PCI endpoint device.
>  
> -Bitfield Description:
> +Bitfield Description::
> +
>    Bit 0		: read success
>    Bit 1		: read fail
>    Bit 2		: write success
> @@ -57,31 +63,33 @@ Bitfield Description:
>    Bit 7		: source address is invalid
>    Bit 8		: destination address is invalid

Same here.

If you replace the two bitfield descriptions to table:
	Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>

>  
> -*) PCI_ENDPOINT_TEST_SRC_ADDR
> +* PCI_ENDPOINT_TEST_SRC_ADDR
>  
>  This register contains the source address (RC buffer address) for the
>  COPY/READ command.
>  
> -*) PCI_ENDPOINT_TEST_DST_ADDR
> +* PCI_ENDPOINT_TEST_DST_ADDR
>  
>  This register contains the destination address (RC buffer address) for
>  the COPY/WRITE command.
>  
> -*) PCI_ENDPOINT_TEST_IRQ_TYPE
> +* PCI_ENDPOINT_TEST_IRQ_TYPE
>  
>  This register contains the interrupt type (Legacy/MSI) triggered
>  for the READ/WRITE/COPY and raise IRQ (Legacy/MSI) commands.
>  
>  Possible types:
> +
>   - Legacy	: 0
>   - MSI		: 1
>   - MSI-X	: 2
>  
> -*) PCI_ENDPOINT_TEST_IRQ_NUMBER
> +* PCI_ENDPOINT_TEST_IRQ_NUMBER
>  
>  This register contains the triggered ID interrupt.
>  
>  Admissible values:
> +
>   - Legacy	: 0
>   - MSI		: [1 .. 32]
>   - MSI-X	: [1 .. 2048]



Thanks,
Mauro