From: Krzysztof Kozlowski <krzk@kernel.org>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: "Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
"Shawn Lin" <shawn.lin@rock-chips.com>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Heiko Stuebner" <heiko@sntech.de>,
linux-pci@vger.kernel.org, "Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Conor Dooley" <conor+dt@kernel.org>,
devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org,
"Rick Wertenbroek" <rick.wertenbroek@gmail.com>,
"Wilfred Mallawa" <wilfred.mallawa@wdc.com>,
"Niklas Cassel" <cassel@kernel.org>
Subject: Re: [PATCH v3 11/12] dt-bindings: pci: rockchip,rk3399-pcie-ep: Add ep-gpios property
Date: Mon, 7 Oct 2024 08:54:24 +0200 [thread overview]
Message-ID: <64421c0c-1d48-421d-8841-859695b5046d@kernel.org> (raw)
In-Reply-To: <179ed297-1d06-480d-8095-7212cbde2ab1@kernel.org>
On 07/10/2024 08:50, Damien Le Moal wrote:
> On 10/7/24 15:12, Krzysztof Kozlowski wrote:
>> On Mon, Oct 07, 2024 at 01:12:17PM +0900, Damien Le Moal wrote:
>>> From: Wilfred Mallawa <wilfred.mallawa@wdc.com>
>>>
>>> Describe the `ep-gpios` property which is used to map the PERST# input
>>> signal for endpoint mode.
>>
>> Why "ep" for PERST signal? Looks totally unrelated name. There is
>> already reset-gpios exactly for PERST, so you are duplicating it. Why?
>
> Because the host side controller already has the same "ep-gpios" property.
>
> Documentation/devicetree/bindings/pci/rockchip,rk3399-pcie.yaml
If host has it, then it is a common property so goes to common schema
for these devices.
>
> So naming that property the same allows common code to initialize that gpio in
> rockchip_pcie_parse_dt().
>
> Also, I do not see reset-gpios being defined/used by this driver (host and ep
> sides).
I am talking about bindings, not driver.
Best regards,
Krzysztof
next prev parent reply other threads:[~2024-10-07 6:54 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 4:12 [PATCH v3 00/12] Damien Le Moal
2024-10-07 4:12 ` [PATCH v3 01/12] PCI: rockchip-ep: Fix address translation unit programming Damien Le Moal
2024-10-10 7:02 ` Manivannan Sadhasivam
2024-10-10 8:41 ` Damien Le Moal
2024-10-10 10:36 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 02/12] PCI: rockchip-ep: Use a macro to define EP controller .align feature Damien Le Moal
2024-10-10 7:03 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 03/12] PCI: rockchip-ep: Improve rockchip_pcie_ep_unmap_addr() Damien Le Moal
2024-10-10 7:09 ` Manivannan Sadhasivam
2024-10-11 8:22 ` Damien Le Moal
2024-10-07 4:12 ` [PATCH v3 04/12] PCI: rockchip-ep: Improve rockchip_pcie_ep_map_addr() Damien Le Moal
2024-10-10 7:13 ` Manivannan Sadhasivam
2024-10-12 9:31 ` Manivannan Sadhasivam
2024-10-12 12:02 ` Damien Le Moal
2024-10-12 12:39 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 05/12] PCI: rockchip-ep: Implement the .map_align() controller operation Damien Le Moal
2024-10-10 2:43 ` kernel test robot
2024-10-10 3:44 ` kernel test robot
2024-10-07 4:12 ` [PATCH v3 06/12] PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() memory allocations Damien Le Moal
2024-10-10 7:23 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 07/12] PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() MSI-X hiding Damien Le Moal
2024-10-10 7:25 ` Manivannan Sadhasivam
2024-10-10 8:09 ` Manivannan Sadhasivam
2024-10-10 8:37 ` Damien Le Moal
2024-10-11 8:30 ` Damien Le Moal
2024-10-12 12:14 ` Manivannan Sadhasivam
2024-10-11 8:25 ` Damien Le Moal
2024-10-12 12:12 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 08/12] PCI: rockchip-ep: Refactor endpoint link training enable Damien Le Moal
2024-10-10 8:22 ` Manivannan Sadhasivam
2024-10-11 8:45 ` Damien Le Moal
2024-10-07 4:12 ` [PATCH v3 09/12] PCI: rockship-ep: Introduce rockchip_pcie_ep_stop() Damien Le Moal
2024-10-10 8:24 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 10/12] PCI: rockchip-ep: Improve link training Damien Le Moal
2024-10-10 10:35 ` Manivannan Sadhasivam
2024-10-11 8:55 ` Damien Le Moal
2024-10-12 12:16 ` Manivannan Sadhasivam
2024-10-17 0:52 ` Damien Le Moal
2024-10-07 4:12 ` [PATCH v3 11/12] dt-bindings: pci: rockchip,rk3399-pcie-ep: Add ep-gpios property Damien Le Moal
2024-10-07 6:12 ` Krzysztof Kozlowski
2024-10-07 6:50 ` Damien Le Moal
2024-10-07 6:54 ` Krzysztof Kozlowski [this message]
2024-10-07 6:58 ` Damien Le Moal
2024-10-07 7:00 ` Krzysztof Kozlowski
2024-10-07 7:22 ` Damien Le Moal
2024-10-07 7:27 ` Manivannan Sadhasivam
2024-10-07 4:12 ` [PATCH v3 12/12] PCI: rockchip-ep: Handle PERST# signal in endpoint mode Damien Le Moal
2024-10-10 4:35 ` kernel test robot
2024-10-10 10:49 ` Manivannan Sadhasivam
2024-10-11 9:30 ` Damien Le Moal
2024-10-12 12:31 ` Manivannan Sadhasivam
2024-10-15 6:24 ` Damien Le Moal
2024-10-07 4:45 ` [PATCH v3 00/12] Damien Le Moal
2024-10-07 10:02 ` Niklas Cassel
2024-10-07 10:26 ` Damien Le Moal
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