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Re: [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node for pcie

From Jaehoon Chung <jh80.chung@samsung.com>
Newsgroups linux.kernel
Subject Re: [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node for pcie
Date 2017-01-05 03:30 +0100
Message-ID <sW5Yu-4QA-1@gated-at.bofh.it> (permalink)
References <sVT1f-4FT-13@gated-at.bofh.it> <sVT1g-4FT-29@gated-at.bofh.it> <sVT1g-4FT-27@gated-at.bofh.it> <sVYaC-8bd-35@gated-at.bofh.it>
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On 01/05/2017 02:58 AM, Krzysztof Kozlowski wrote:
> On Wed, Jan 04, 2017 at 09:34:35PM +0900, Jaehoon Chung wrote:
>> Add phy-pcie node for using Exynos5440 pcie.
>> And use the reg-names as "elbi" and "config".
> 
> 'and' is only for joining in compound sentences, don't start with it.

Got it.

> 
>> Because the getting configuratioin space address from ranges is old way.
> 
> Spell-check please.

Will do.

> 
>> It also is helpful to distinguish more clearly.
> 
> Distinguish what? Please work on the commit msg, I am not picking 

Will update the commit-msg.

>>
>> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
>> ---
>> Changelog on V2:
>> - Removes the child-node
>> - Fixes the typo
>> - Removes the unnecessary comments
>>
>>  arch/arm/boot/dts/exynos5440.dtsi | 34 ++++++++++++++++++++++------------
>>  1 file changed, 22 insertions(+), 12 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
>> index 2a2e570..feb074d 100644
>> --- a/arch/arm/boot/dts/exynos5440.dtsi
>> +++ b/arch/arm/boot/dts/exynos5440.dtsi
>> @@ -290,11 +290,22 @@
>>  		clock-names = "usbhost";
>>  	};
>>  
>> +	pcie_phy0: pcie-phy@270000 {
>> +		#phy-cells = <0>;
>> +		compatible = "samsung,exynos5440-pcie-phy";
>> +		reg = <0x270000 0x1000>, <0x271000 0x40>;
>> +	};
>> +
>> +	pcie_phy1: pcie-phy@272000 {
>> +		#phy-cells = <0>;
>> +		compatible = "samsung,exynos5440-pcie-phy";
>> +		reg = <0x272000 0x1000>, <0x271040 0x40>;
>> +	};
>> +
>>  	pcie_0: pcie@290000 {
>>  		compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
>> -		reg = <0x290000 0x1000
>> -			0x270000 0x1000
>> -			0x271000 0x40>;
>> +		reg = <0x290000 0x1000>, <0x40000000 0x1000>;
>> +		reg-names = "elbi", "config";
>>  		interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
>>  			     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
>>  			     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
>> @@ -303,9 +314,9 @@
>>  		#address-cells = <3>;
>>  		#size-cells = <2>;
>>  		device_type = "pci";
>> -		ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00001000   /* configuration space */
>> -			  0x81000000 0 0	  0x40001000 0 0x00010000   /* downstream I/O */
>> -			  0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>; /* non-prefetchable memory */
>> +		phys = <&pcie_phy0>;
>> +		ranges = <0x81000000 0 0	  0x40001000 0 0x00010000
>> +			  0x82000000 0 0x40011000 0x40011000 0 0x1ffef000>;
> 
> I think the comments were useful. You can leave them.

Ok. will keep.

> 
>>  		#interrupt-cells = <1>;
>>  		interrupt-map-mask = <0 0 0 0>;
>>  		interrupt-map = <0x0 0 &gic 53>;
>> @@ -315,9 +326,8 @@
>>  
>>  	pcie_1: pcie@2a0000 {
>>  		compatible = "samsung,exynos5440-pcie", "snps,dw-pcie";
>> -		reg = <0x2a0000 0x1000
>> -			0x272000 0x1000
>> -			0x271040 0x40>;
>> +		reg = <0x2a0000 0x1000>, <0x60000000 0x1000>;
>> +		reg-names = "elbi", "config";
>>  		interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
>>  			     <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
>>  			     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
>> @@ -326,9 +336,9 @@
>>  		#address-cells = <3>;
>>  		#size-cells = <2>;
>>  		device_type = "pci";
>> -		ranges = <0x00000800 0 0x60000000 0x60000000 0 0x00001000   /* configuration space */
>> -			  0x81000000 0 0	  0x60001000 0 0x00010000   /* downstream I/O */
>> -			  0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>; /* non-prefetchable memory */
>> +		phys = <&pcie_phy1>;
>> +		ranges = <0x81000000 0 0	  0x60001000 0 0x00010000
>> +			  0x82000000 0 0x60011000 0x60011000 0 0x1ffef000>;
> 
> I think the comments were useful. You can leave them.
> 
> This looks like depending on the changes in the driver, so I will need a
> tag or stable branch from PCIe maintainers.

Right..

Best Regards,
Jaehoon Chung

> 
> Best regards,
> Krzysztof
> 
> 
> 

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Thread

[PATCH V2 0/5] PCI: exynos: use the PHY generic framework Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-04 13:40 +0100
  [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node for pcie Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-04 13:40 +0100
    Re: [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node  for pcie Krzysztof Kozlowski <krzk@kernel.org> - 2017-01-04 19:10 +0100
      Re: [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node for pcie "Jingoo Han" <jingoohan1@gmail.com> - 2017-01-04 19:10 +0100
      Re: [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node for  pcie Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-05 03:30 +0100
    Re: [PATCH V2 5/5] ARM: dts: exynos5440: support the phy-pcie node for  pcie "pankaj.dubey" <pankaj.dubey@samsung.com> - 2017-01-05 10:10 +0100
  [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe phy Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-04 13:40 +0100
    Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Krzysztof Kozlowski <krzk@kernel.org> - 2017-01-04 19:00 +0100
      Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-05 03:30 +0100
    Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe phy "Jingoo Han" <jingoohan1@gmail.com> - 2017-01-04 21:30 +0100
    Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy "pankaj.dubey" <pankaj.dubey@samsung.com> - 2017-01-05 07:20 +0100
    Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Alim Akhtar <alim.akhtar@samsung.com> - 2017-01-09 14:40 +0100
    Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Vivek Gautam <vivek.gautam@codeaurora.org> - 2017-01-10 07:10 +0100
      Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-10 07:20 +0100
    Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-16 09:40 +0100
      Re: [PATCH V2 2/5] phy: phy-exynos-pcie: Add support for Exynos PCIe  phy Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-16 12:10 +0100
  [PATCH V2 1/5] Documetation: samsung-phy: add the exynos-pcie-phy  binding Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-04 13:40 +0100
    Re: [PATCH V2 1/5] Documetation: samsung-phy: add the  exynos-pcie-phy binding Rob Herring <robh@kernel.org> - 2017-01-04 16:20 +0100
    Re: [PATCH V2 1/5] Documetation: samsung-phy: add the exynos-pcie-phy  binding Alim Akhtar <alim.akhtar@samsung.com> - 2017-01-05 05:30 +0100
      Re: [PATCH V2 1/5] Documetation: samsung-phy: add the exynos-pcie-phy  binding "pankaj.dubey" <pankaj.dubey@samsung.com> - 2017-01-05 07:10 +0100
  [PATCH V2 4/5] PCI: exynos: support the using PHY generic framework Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-04 13:40 +0100
    Re: [PATCH V2 4/5] PCI: exynos: support the using PHY generic  framework Krzysztof Kozlowski <krzk@kernel.org> - 2017-01-04 19:00 +0100
      Re: [PATCH V2 4/5] PCI: exynos: support the using PHY generic framework Jaehoon Chung <jh80.chung@samsung.com> - 2017-01-05 03:40 +0100
    Re: [PATCH V2 4/5] PCI: exynos: support the using PHY generic framework "Jingoo Han" <jingoohan1@gmail.com> - 2017-01-04 21:00 +0100
    Re: [PATCH V2 4/5] PCI: exynos: support the using PHY generic framework "pankaj.dubey" <pankaj.dubey@samsung.com> - 2017-01-05 10:10 +0100
    Re: [PATCH V2 4/5] PCI: exynos: support the using PHY generic framework Alim Akhtar <alim.akhtar@samsung.com> - 2017-01-09 14:50 +0100
  Re: [PATCH V2 0/5] PCI: exynos: use the PHY generic framework Bjorn Helgaas <helgaas@kernel.org> - 2017-01-12 22:10 +0100

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