kernel: bump 5.4 to 5.4.45

Fixes CVE-2020-10757 via upstream commit df4988aa1c96 ("mm: Fix mremap
not considering huge pmd devmap").

Resolved merge conflict in the following patches:

 bcm27xx: 950-0128-gpiolib-Don-t-prevent-IRQ-usage-of-output-GPIOs.patch

Refreshed patches, removed upstreamed patch:

 generic: 751-v5.8-net-dsa-mt7530-set-CPU-port-to-fallback-mode.patch
 generic: 754-v5.7-net-dsa-mt7530-fix-roaming-from-DSA-user-ports.patch

Run tested: qemu-x86-64
Build tested: x86/64, imx6, sunxi/a53

Signed-off-by: Petr Štetiar <ynezz@true.cz>

1 files changed, 98 insertions, 100 deletions

diff --git a/target/linux/mediatek/patches-5.4/0600-3-6-dt-bindings-net-dsa-add-new-MT7531-binding-to-support-MT7531.patch b/target/linux/mediatek/patches-5.4/0600-3-6-dt-bindings-net-dsa-add-new-MT7531-binding-to-support-MT7531.patch
index 3ca12b9172..b28f23f573 100644
--- a/target/linux/mediatek/patches-5.4/0600-3-6-dt-bindings-net-dsa-add-new-MT7531-binding-to-support-MT7531.patch
+++ b/target/linux/mediatek/patches-5.4/0600-3-6-dt-bindings-net-dsa-add-new-MT7531-binding-to-support-MT7531.patch
@@ -79,103 +79,101 @@ Signed-off-by: Landen Chao <landen.chao@mediatek.com>
  .../devicetree/bindings/net/dsa/mt7530.txt    | 77 ++++++++++++++++++-
  1 file changed, 74 insertions(+), 3 deletions(-)
 
-diff --git a/Documentation/devicetree/bindings/net/dsa/mt7530.txt b/Documentation/devicetree/bindings/net/dsa/mt7530.txt

-index c5ed5d25f642..dc226a4e402a 100644

---- a/Documentation/devicetree/bindings/net/dsa/mt7530.txt

-+++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt

-@@ -5,6 +5,7 @@ Required properties:

- 

- - compatible: may be compatible = "mediatek,mt7530"

- 	or compatible = "mediatek,mt7621"

-+	or compatible = "mediatek,mt7531"

- - #address-cells: Must be 1.

- - #size-cells: Must be 0.

- - mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part

-@@ -32,10 +33,13 @@ Required properties for the child nodes within ports container:

- 

- - reg: Port address described must be 6 for CPU port and from 0 to 5 for

- 	user ports.

--- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled

--	 "cpu".

-+- phy-mode: String, the follow value would be acceptable for port labeled "cpu"

-+	If compatible mediatek,mt7530 or mediatek,mt7621 is set,

-+	must be either "trgmii" or "rgmii"

-+	If compatible mediatek,mt7531 is set,

-+	must be either "sgmii", "1000base-x" or "2500base-x"

- 

--Port 5 of the switch is muxed between:

-+Port 5 of mt7530 and mt7621 switch is muxed between:

- 1. GMAC5: GMAC5 can interface with another external MAC or PHY.

- 2. PHY of port 0 or port 4: PHY interfaces with an external MAC like 2nd GMAC

-    of the SOC. Used in many setups where port 0/4 becomes the WAN port.

-@@ -308,3 +312,70 @@ Example 3: MT7621: Port 5 is connected to external PHY: Port 5 -> external PHY.

- 		};

- 	};

- };

-+

-+Example 4:

-+

-+&eth {

-+	gmac0: mac@0 {

-+		compatible = "mediatek,eth-mac";

-+		reg = <0>;

-+		phy-mode = "2500base-x";

-+

-+		fixed-link {

-+			speed = <1000>;

-+			full-duplex;

-+			pause;

-+		};

-+	};

-+

-+	&mdio0 {

-+		switch@0 {

-+			compatible = "mediatek,mt7531";

-+			reg = <0>;

-+			reset-gpios = <&pio 54 0>;

-+

-+			ports {

-+				#address-cells = <1>;

-+				#size-cells = <0>;

-+				reg = <0>;

-+

-+				port@0 {

-+					reg = <0>;

-+					label = "lan0";

-+				};

-+

-+				port@1 {

-+					reg = <1>;

-+					label = "lan1";

-+				};

-+

-+				port@2 {

-+					reg = <2>;

-+					label = "lan2";

-+				};

-+

-+				port@3 {

-+					reg = <3>;

-+					label = "lan3";

-+				};

-+

-+				port@4 {

-+					reg = <4>;

-+					label = "wan";

-+				};

-+

-+				port@6 {

-+					reg = <6>;

-+					label = "cpu";

-+					ethernet = <&gmac0>;

-+					phy-mode = "2500base-x";

-+

-+					fixed-link {

-+						speed = <1000>;

-+						full-duplex;

-+						pause;

-+					};

-+				};

-+			};

-+		};

-+	};

+--- a/Documentation/devicetree/bindings/net/dsa/mt7530.txt
++++ b/Documentation/devicetree/bindings/net/dsa/mt7530.txt
+@@ -5,6 +5,7 @@ Required properties:
+ 
+ - compatible: may be compatible = "mediatek,mt7530"
+ 	or compatible = "mediatek,mt7621"
++	or compatible = "mediatek,mt7531"
+ - #address-cells: Must be 1.
+ - #size-cells: Must be 0.
+ - mediatek,mcm: Boolean; if defined, indicates that either MT7530 is the part
+@@ -32,10 +33,13 @@ Required properties for the child nodes
+ 
+ - reg: Port address described must be 6 for CPU port and from 0 to 5 for
+ 	user ports.
+-- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled
+-	 "cpu".
++- phy-mode: String, the follow value would be acceptable for port labeled "cpu"
++	If compatible mediatek,mt7530 or mediatek,mt7621 is set,
++	must be either "trgmii" or "rgmii"
++	If compatible mediatek,mt7531 is set,
++	must be either "sgmii", "1000base-x" or "2500base-x"
+ 
+-Port 5 of the switch is muxed between:
++Port 5 of mt7530 and mt7621 switch is muxed between:
+ 1. GMAC5: GMAC5 can interface with another external MAC or PHY.
+ 2. PHY of port 0 or port 4: PHY interfaces with an external MAC like 2nd GMAC
+    of the SOC. Used in many setups where port 0/4 becomes the WAN port.
+@@ -308,3 +312,70 @@ Example 3: MT7621: Port 5 is connected t
+ 		};
+ 	};
+ };
++
++Example 4:
++
++&eth {
++	gmac0: mac@0 {
++		compatible = "mediatek,eth-mac";
++		reg = <0>;
++		phy-mode = "2500base-x";
++
++		fixed-link {
++			speed = <1000>;
++			full-duplex;
++			pause;
++		};
++	};
++
++	&mdio0 {
++		switch@0 {
++			compatible = "mediatek,mt7531";
++			reg = <0>;
++			reset-gpios = <&pio 54 0>;
++
++			ports {
++				#address-cells = <1>;
++				#size-cells = <0>;
++				reg = <0>;
++
++				port@0 {
++					reg = <0>;
++					label = "lan0";
++				};
++
++				port@1 {
++					reg = <1>;
++					label = "lan1";
++				};
++
++				port@2 {
++					reg = <2>;
++					label = "lan2";
++				};
++
++				port@3 {
++					reg = <3>;
++					label = "lan3";
++				};
++
++				port@4 {
++					reg = <4>;
++					label = "wan";
++				};
++
++				port@6 {
++					reg = <6>;
++					label = "cpu";
++					ethernet = <&gmac0>;
++					phy-mode = "2500base-x";
++
++					fixed-link {
++						speed = <1000>;
++						full-duplex;
++						pause;
++					};
++				};
++			};
++		};
++	};