linux-kernel - Re: [PATCH v8 3/9] PCI: endpoint: functions/pci-epf-test: Add second entry

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Date:   Mon, 30 Apr 2018 15:22:13 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Gustavo Pimentel <gustavo.pimentel@...opsys.com>
Cc:     bhelgaas@...gle.com, Joao.Pinto@...opsys.com, jingoohan1@...il.com,
        kishon@...com, robh+dt@...nel.org, mark.rutland@....com,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v8 3/9] PCI: endpoint: functions/pci-epf-test: Add second
 entry

On Fri, Apr 27, 2018 at 12:59:58PM +0100, Gustavo Pimentel wrote:
> Add a seconds entry on the pci_epf_test_ids structure that disables the

"Add a second entry..."

> linkup_notifier parameter on driver for the DesignWare EP.
> 
> Allow DesignWare EPs that doesn't have linkup notification signal to work
> with pcitest.
> 
> Update the binding documentation accordingly.
> 
> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
> Acked-by: Kishon Vijay Abraham I <kishon@...com>
> ---
> Change v2->v3:
>  - Added second entry in pci_epf_test_ids structure.
>  - Remove test_reg_bar field assignment on second entry.
> Changes v3->v4:
>  - Nothing changed, just to follow the patch set version.
> Changes v4->v5:
>  - Changed pci_epf_test_cfg2 to pci_epf_test_designware.
> Changes v5->v6:
>  - Changed name field from pci_epf_test_designware to pci_epf_test_dw.
> Changes v6->v7:
>  - Changed variable name from data_cfg2 to data_linkup_notifier_disabled.
> Changes v7->v8:
>  - Patch description rework for an imperative verbal mode.
> 
>  Documentation/PCI/endpoint/function/binding/pci-test.txt | 2 ++
>  drivers/pci/endpoint/functions/pci-epf-test.c            | 8 ++++++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/Documentation/PCI/endpoint/function/binding/pci-test.txt b/Documentation/PCI/endpoint/function/binding/pci-test.txt
> index 3b68b95..dc39f47 100644
> --- a/Documentation/PCI/endpoint/function/binding/pci-test.txt
> +++ b/Documentation/PCI/endpoint/function/binding/pci-test.txt
> @@ -1,6 +1,8 @@
>  PCI TEST ENDPOINT FUNCTION
>  
>  name: Should be "pci_epf_test" to bind to the pci_epf_test driver.
> +name: Should be "pci_epf_test_dw" to bind to the pci_epf_test driver
> +      with a custom configuration for the designware EP.
>  
>  Configurable Fields:
>  vendorid	 : should be 0x104c
> diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
> index 7cef851..4ab463b 100644
> --- a/drivers/pci/endpoint/functions/pci-epf-test.c
> +++ b/drivers/pci/endpoint/functions/pci-epf-test.c
> @@ -459,10 +459,18 @@ static int pci_epf_test_bind(struct pci_epf *epf)
>  	return 0;
>  }
>  
> +static const struct pci_epf_test_data data_linkup_notifier_disabled = {
> +	.linkup_notifier = false
> +};
> +
>  static const struct pci_epf_device_id pci_epf_test_ids[] = {
>  	{
>  		.name = "pci_epf_test",
>  	},
> +	{
> +		.name = "pci_epf_test_dw",
> +		.driver_data = (kernel_ulong_t)&data_linkup_notifier_disabled,

You have not answered my question on this though:

https://marc.info/?l=linux-pci&m=152476180723047&w=2

> +	},
>  	{},
>  };
>  
> -- 
> 2.7.4
> 
>