linux-kernel - [PATCH 4.4 019/138] arm64: dts: rockchip: fixes the gic400 2nd region size for rk3368

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Date:	Thu, 18 Aug 2016 15:57:09 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Caesar Wang <wxt@...k-chips.com>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	Heiko Stuebner <heiko@...ech.de>
Subject: [PATCH 4.4 019/138] arm64: dts: rockchip: fixes the gic400 2nd region size for rk3368

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Caesar Wang <wxt@...k-chips.com>

commit ad1cfdf518976447e6b0d31517bad4e3ebbce6bb upstream.

The 2nd additional region is the GIC virtual cpu interface register
base and size.

As the gic400 of rk3368 says, the cpu interface register map as below

:

-0x0000 GICC_CTRL
.
.
.
-0x00fc GICC_IIDR
-0x1000 GICC_IDR

Obviously, the region size should be greater than 0x1000.
So we should make sure to include the GICC_IDR since the kernel will access
it in some cases.

Fixes: b790c2cab5ca ("arm64: dts: add Rockchip rk3368 core dtsi and board dts for the r88 board")
Signed-off-by: Caesar Wang <wxt@...k-chips.com>
Reviewed-by: Shawn Lin <shawn.lin@...k-chips.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

[added Fixes and stable-cc]
Signed-off-by: Heiko Stuebner <heiko@...ech.de>

---
 arch/arm64/boot/dts/rockchip/rk3368.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -517,7 +517,7 @@
 		#address-cells = <0>;
 
 		reg = <0x0 0xffb71000 0x0 0x1000>,
-		      <0x0 0xffb72000 0x0 0x1000>,
+		      <0x0 0xffb72000 0x0 0x2000>,
 		      <0x0 0xffb74000 0x0 0x2000>,
 		      <0x0 0xffb76000 0x0 0x2000>;
 		interrupts = <GIC_PPI 9