linux-kernel - [PATCH 5.0 007/123] ARM: dts: qcom: ipq4019: enlarge PCIe BAR range

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Message-Id: <20190520115245.755921326@linuxfoundation.org>
Date:   Mon, 20 May 2019 14:13:07 +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, David Bauer <mail@...id-bauer.net>,
        Christian Lamparter <chunkeey@...il.com>,
        Andy Gross <agross@...nel.org>
Subject: [PATCH 5.0 007/123] ARM: dts: qcom: ipq4019: enlarge PCIe BAR range

From: Christian Lamparter <chunkeey@...il.com>

commit f3e35357cd460a8aeb48b8113dc4b761a7d5c828 upstream.

David Bauer reported that the VDSL modem (attached via PCIe)
on his AVM Fritz!Box 7530 was complaining about not having
enough space in the BAR. A closer inspection of the old
qcom-ipq40xx.dtsi pulled from the GL-iNet repository listed:

| qcom,pcie@...00 {
|	compatible = "qcom,msm_pcie";
|	reg = <0x80000 0x2000>,
|	      <0x99000 0x800>,
|	      <0x40000000 0xf1d>,
|	      <0x40000f20 0xa8>,
|	      <0x40100000 0x1000>,
|	      <0x40200000 0x100000>,
|	      <0x40300000 0xd00000>;
|	reg-names = "parf", "phy", "dm_core", "elbi",
|			"conf", "io", "bars";

Matching the reg-names with the listed reg leads to
<0xd00000> as the size for the "bars".

Cc: stable@...r.kernel.org
BugLink: https://www.mail-archive.com/openwrt-devel@lists.openwrt.org/msg45212.html
Reported-by: David Bauer <mail@...id-bauer.net>
Signed-off-by: Christian Lamparter <chunkeey@...il.com>
Signed-off-by: Andy Gross <agross@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/qcom-ipq4019.dtsi |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -393,8 +393,8 @@
 			#address-cells = <3>;
 			#size-cells = <2>;
 
-			ranges = <0x81000000 0 0x40200000 0x40200000 0 0x00100000
-				  0x82000000 0 0x40300000 0x40300000 0 0x400000>;
+			ranges = <0x81000000 0 0x40200000 0x40200000 0 0x00100000>,
+				 <0x82000000 0 0x40300000 0x40300000 0 0x00d00000>;
 
 			interrupts = <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>;
 			interrupt-names = "msi";