diff mbox

[V2] PCIe: SPEAr13XX: Pass config resource through reg property

Message ID c5feb916f14d19e4c636a5af89be48df5097b500.1409720201.git.pratyush.anand@st.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Pratyush ANAND Sept. 3, 2014, 5:20 a.m. UTC
PCIe configuration space should be passed through reg property, rather
than through ranges property. This patch does the correction for
SPEAr13XX SOCs.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
---
 arch/arm/boot/dts/spear1310.dtsi  | 18 +++++++++---------
 arch/arm/boot/dts/spear1340.dtsi  |  6 +++---
 drivers/pci/host/pcie-spear13xx.c |  2 +-
 3 files changed, 13 insertions(+), 13 deletions(-)

Comments

Mohit KUMAR DCG Sept. 3, 2014, 6:19 a.m. UTC | #1
> -----Original Message-----
> From: Pratyush ANAND
> Sent: Wednesday, September 03, 2014 10:51 AM
> To: Mohit KUMAR DCG
> Cc: linux-pci@vger.kernel.org; Pratyush ANAND
> Subject: [PATCH V2] PCIe: SPEAr13XX: Pass config resource through reg
> property
> 
> PCIe configuration space should be passed through reg property, rather than
> through ranges property. This patch does the correction for SPEAr13XX SOCs.
> 
> Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
> ---
>  arch/arm/boot/dts/spear1310.dtsi  | 18 +++++++++---------
> arch/arm/boot/dts/spear1340.dtsi  |  6 +++---  drivers/pci/host/pcie-
> spear13xx.c |  2 +-
>  3 files changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/spear1310.dtsi
> b/arch/arm/boot/dts/spear1310.dtsi
> index fa5f2bb5f106..9d342920695a 100644
> --- a/arch/arm/boot/dts/spear1310.dtsi
> +++ b/arch/arm/boot/dts/spear1310.dtsi
> @@ -85,7 +85,8 @@
> 
>  		pcie0: pcie@b1000000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb1000000 0x4000>;
> +			reg = <0xb1000000 0x4000>, <0x80000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 68 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 68 0x4>; @@ -95,15
> +96,15 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0x80000000 0x80000000 0
> 0x00020000   /* configuration space */
> -				0x81000000 0 0	 0x80020000 0 0x00010000   /*
> downstream I/O */
> +			ranges = <0x81000000 0 0	 0x80020000 0
> 0x00010000   /* downstream I/O */
>  				0x82000000 0 0x80030000 0xc0030000 0
> 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
> 
>  		pcie1: pcie@b1800000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb1800000 0x4000>;
> +			reg = <0xb1800000 0x4000>, <0x90000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 69 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 69 0x4>; @@ -113,15
> +114,15 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0x90000000 0x90000000 0
> 0x00020000   /* configuration space */
> -				0x81000000 0 0  0x90020000 0 0x00010000   /*
> downstream I/O */
> +			ranges = <0x81000000 0 0  0x90020000 0 0x00010000
> /* downstream I/O */
>  				0x82000000 0 0x90030000 0x90030000 0
> 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
> 
>  		pcie2: pcie@b4000000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb4000000 0x4000>;
> +			reg = <0xb4000000 0x4000>, <0xc0000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 70 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 70 0x4>; @@ -131,8
> +132,7 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0xc0000000 0xc0000000 0
> 0x00020000   /* configuration space */
> -				0x81000000 0 0	 0xc0020000 0 0x00010000   /*
> downstream I/O */
> +			ranges = <0x81000000 0 0	 0xc0020000 0
> 0x00010000   /* downstream I/O */
>  				0x82000000 0 0xc0030000 0xc0030000 0
> 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
> diff --git a/arch/arm/boot/dts/spear1340.dtsi
> b/arch/arm/boot/dts/spear1340.dtsi
> index e71df0f2cb52..13e1aa33daa2 100644
> --- a/arch/arm/boot/dts/spear1340.dtsi
> +++ b/arch/arm/boot/dts/spear1340.dtsi
> @@ -50,7 +50,8 @@
> 
>  		pcie0: pcie@b1000000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb1000000 0x4000>;
> +			reg = <0xb1000000 0x4000>, <0x80000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 68 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 68 0x4>; @@ -60,8
> +61,7 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0x80000000 0x80000000 0
> 0x00020000   /* configuration space */
> -				0x81000000 0 0	 0x80020000 0 0x00010000   /*
> downstream I/O */
> +			ranges = <0x81000000 0 0	 0x80020000 0
> 0x00010000   /* downstream I/O */
>  				0x82000000 0 0x80030000 0xc0030000 0
> 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
> diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-
> spear13xx.c
> index 6dea9e43a75c..85f594e1708f 100644
> --- a/drivers/pci/host/pcie-spear13xx.c
> +++ b/drivers/pci/host/pcie-spear13xx.c
> @@ -340,7 +340,7 @@ static int __init spear13xx_pcie_probe(struct
> platform_device *pdev)
> 
>  	pp->dev = dev;
> 
> -	dbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	dbi_base = platform_get_resource_byname(pdev,
> IORESOURCE_MEM, "dbi");
>  	pp->dbi_base = devm_ioremap_resource(dev, dbi_base);
>  	if (IS_ERR(pp->dbi_base)) {
>  		dev_err(dev, "couldn't remap dbi base %p\n", dbi_base);

Acked-by: Mohit Kumar <mohit.kumar@st.com>

Regards
Mohit

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Bjorn Helgaas Sept. 22, 2014, 8:21 p.m. UTC | #2
On Wed, Sep 03, 2014 at 10:50:49AM +0530, Pratyush Anand wrote:
> PCIe configuration space should be passed through reg property, rather
> than through ranges property. This patch does the correction for
> SPEAr13XX SOCs.
> 
> Signed-off-by: Pratyush Anand <pratyush.anand@st.com>

Applied with Mohit's ack to pci/host-spear for v3.18, thanks!

> ---
>  arch/arm/boot/dts/spear1310.dtsi  | 18 +++++++++---------
>  arch/arm/boot/dts/spear1340.dtsi  |  6 +++---
>  drivers/pci/host/pcie-spear13xx.c |  2 +-
>  3 files changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/spear1310.dtsi b/arch/arm/boot/dts/spear1310.dtsi
> index fa5f2bb5f106..9d342920695a 100644
> --- a/arch/arm/boot/dts/spear1310.dtsi
> +++ b/arch/arm/boot/dts/spear1310.dtsi
> @@ -85,7 +85,8 @@
>  
>  		pcie0: pcie@b1000000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb1000000 0x4000>;
> +			reg = <0xb1000000 0x4000>, <0x80000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 68 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 68 0x4>;
> @@ -95,15 +96,15 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0x80000000 0x80000000 0 0x00020000   /* configuration space */
> -				0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
> +			ranges = <0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
>  				0x82000000 0 0x80030000 0xc0030000 0 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
>  
>  		pcie1: pcie@b1800000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb1800000 0x4000>;
> +			reg = <0xb1800000 0x4000>, <0x90000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 69 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 69 0x4>;
> @@ -113,15 +114,15 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0x90000000 0x90000000 0 0x00020000   /* configuration space */
> -				0x81000000 0 0  0x90020000 0 0x00010000   /* downstream I/O */
> +			ranges = <0x81000000 0 0  0x90020000 0 0x00010000   /* downstream I/O */
>  				0x82000000 0 0x90030000 0x90030000 0 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
>  
>  		pcie2: pcie@b4000000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb4000000 0x4000>;
> +			reg = <0xb4000000 0x4000>, <0xc0000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 70 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 70 0x4>;
> @@ -131,8 +132,7 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0xc0000000 0xc0000000 0 0x00020000   /* configuration space */
> -				0x81000000 0 0	 0xc0020000 0 0x00010000   /* downstream I/O */
> +			ranges = <0x81000000 0 0	 0xc0020000 0 0x00010000   /* downstream I/O */
>  				0x82000000 0 0xc0030000 0xc0030000 0 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
> diff --git a/arch/arm/boot/dts/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi
> index e71df0f2cb52..13e1aa33daa2 100644
> --- a/arch/arm/boot/dts/spear1340.dtsi
> +++ b/arch/arm/boot/dts/spear1340.dtsi
> @@ -50,7 +50,8 @@
>  
>  		pcie0: pcie@b1000000 {
>  			compatible = "st,spear1340-pcie", "snps,dw-pcie";
> -			reg = <0xb1000000 0x4000>;
> +			reg = <0xb1000000 0x4000>, <0x80000000 0x20000>;
> +			reg-names = "dbi", "config";
>  			interrupts = <0 68 0x4>;
>  			interrupt-map-mask = <0 0 0 0>;
>  			interrupt-map = <0x0 0 &gic 0 68 0x4>;
> @@ -60,8 +61,7 @@
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>  			device_type = "pci";
> -			ranges = <0x00000800 0 0x80000000 0x80000000 0 0x00020000   /* configuration space */
> -				0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
> +			ranges = <0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
>  				0x82000000 0 0x80030000 0xc0030000 0 0x0ffd0000>; /* non-prefetchable memory */
>  			status = "disabled";
>  		};
> diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
> index 6dea9e43a75c..85f594e1708f 100644
> --- a/drivers/pci/host/pcie-spear13xx.c
> +++ b/drivers/pci/host/pcie-spear13xx.c
> @@ -340,7 +340,7 @@ static int __init spear13xx_pcie_probe(struct platform_device *pdev)
>  
>  	pp->dev = dev;
>  
> -	dbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
>  	pp->dbi_base = devm_ioremap_resource(dev, dbi_base);
>  	if (IS_ERR(pp->dbi_base)) {
>  		dev_err(dev, "couldn't remap dbi base %p\n", dbi_base);
> -- 
> 1.8.1.2
> 
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diff mbox

Patch

diff --git a/arch/arm/boot/dts/spear1310.dtsi b/arch/arm/boot/dts/spear1310.dtsi
index fa5f2bb5f106..9d342920695a 100644
--- a/arch/arm/boot/dts/spear1310.dtsi
+++ b/arch/arm/boot/dts/spear1310.dtsi
@@ -85,7 +85,8 @@ 
 
 		pcie0: pcie@b1000000 {
 			compatible = "st,spear1340-pcie", "snps,dw-pcie";
-			reg = <0xb1000000 0x4000>;
+			reg = <0xb1000000 0x4000>, <0x80000000 0x20000>;
+			reg-names = "dbi", "config";
 			interrupts = <0 68 0x4>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0x0 0 &gic 0 68 0x4>;
@@ -95,15 +96,15 @@ 
 			#address-cells = <3>;
 			#size-cells = <2>;
 			device_type = "pci";
-			ranges = <0x00000800 0 0x80000000 0x80000000 0 0x00020000   /* configuration space */
-				0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
+			ranges = <0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
 				0x82000000 0 0x80030000 0xc0030000 0 0x0ffd0000>; /* non-prefetchable memory */
 			status = "disabled";
 		};
 
 		pcie1: pcie@b1800000 {
 			compatible = "st,spear1340-pcie", "snps,dw-pcie";
-			reg = <0xb1800000 0x4000>;
+			reg = <0xb1800000 0x4000>, <0x90000000 0x20000>;
+			reg-names = "dbi", "config";
 			interrupts = <0 69 0x4>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0x0 0 &gic 0 69 0x4>;
@@ -113,15 +114,15 @@ 
 			#address-cells = <3>;
 			#size-cells = <2>;
 			device_type = "pci";
-			ranges = <0x00000800 0 0x90000000 0x90000000 0 0x00020000   /* configuration space */
-				0x81000000 0 0  0x90020000 0 0x00010000   /* downstream I/O */
+			ranges = <0x81000000 0 0  0x90020000 0 0x00010000   /* downstream I/O */
 				0x82000000 0 0x90030000 0x90030000 0 0x0ffd0000>; /* non-prefetchable memory */
 			status = "disabled";
 		};
 
 		pcie2: pcie@b4000000 {
 			compatible = "st,spear1340-pcie", "snps,dw-pcie";
-			reg = <0xb4000000 0x4000>;
+			reg = <0xb4000000 0x4000>, <0xc0000000 0x20000>;
+			reg-names = "dbi", "config";
 			interrupts = <0 70 0x4>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0x0 0 &gic 0 70 0x4>;
@@ -131,8 +132,7 @@ 
 			#address-cells = <3>;
 			#size-cells = <2>;
 			device_type = "pci";
-			ranges = <0x00000800 0 0xc0000000 0xc0000000 0 0x00020000   /* configuration space */
-				0x81000000 0 0	 0xc0020000 0 0x00010000   /* downstream I/O */
+			ranges = <0x81000000 0 0	 0xc0020000 0 0x00010000   /* downstream I/O */
 				0x82000000 0 0xc0030000 0xc0030000 0 0x0ffd0000>; /* non-prefetchable memory */
 			status = "disabled";
 		};
diff --git a/arch/arm/boot/dts/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi
index e71df0f2cb52..13e1aa33daa2 100644
--- a/arch/arm/boot/dts/spear1340.dtsi
+++ b/arch/arm/boot/dts/spear1340.dtsi
@@ -50,7 +50,8 @@ 
 
 		pcie0: pcie@b1000000 {
 			compatible = "st,spear1340-pcie", "snps,dw-pcie";
-			reg = <0xb1000000 0x4000>;
+			reg = <0xb1000000 0x4000>, <0x80000000 0x20000>;
+			reg-names = "dbi", "config";
 			interrupts = <0 68 0x4>;
 			interrupt-map-mask = <0 0 0 0>;
 			interrupt-map = <0x0 0 &gic 0 68 0x4>;
@@ -60,8 +61,7 @@ 
 			#address-cells = <3>;
 			#size-cells = <2>;
 			device_type = "pci";
-			ranges = <0x00000800 0 0x80000000 0x80000000 0 0x00020000   /* configuration space */
-				0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
+			ranges = <0x81000000 0 0	 0x80020000 0 0x00010000   /* downstream I/O */
 				0x82000000 0 0x80030000 0xc0030000 0 0x0ffd0000>; /* non-prefetchable memory */
 			status = "disabled";
 		};
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
index 6dea9e43a75c..85f594e1708f 100644
--- a/drivers/pci/host/pcie-spear13xx.c
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -340,7 +340,7 @@  static int __init spear13xx_pcie_probe(struct platform_device *pdev)
 
 	pp->dev = dev;
 
-	dbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
 	pp->dbi_base = devm_ioremap_resource(dev, dbi_base);
 	if (IS_ERR(pp->dbi_base)) {
 		dev_err(dev, "couldn't remap dbi base %p\n", dbi_base);