From: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
To: Rob Herring <robh+dt@kernel.org>, Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
Arnd Bergmann <arnd@arndb.de>,
Florian Fainelli <f.fainelli@gmail.com>,
Zhen Lei <thunder.leizhen@huawei.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Bharat Gooty <bharat.gooty@broadcom.com>,
Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Subject: [PATCH v1 1/1] arm64: dts: stingray: fix usb dma address translation
Date: Tue, 19 Jan 2021 11:04:44 +0530 [thread overview]
Message-ID: <20210119053444.23108-1-rayagonda.kokatanur@broadcom.com> (raw)
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From: Bharat Gooty <bharat.gooty@broadcom.com>
Add a non-empty dma-ranges so that dma address translation
happens.
Fixes: 2013a4b684b6 ("arm64: dts: broadcom: clear the warnings caused by empty dma-ranges")
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
---
arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
index aef8f2b00778..5401a646c840 100644
--- a/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
+++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi
@@ -4,11 +4,16 @@
*/
usb {
compatible = "simple-bus";
- dma-ranges;
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0x68500000 0x0 0x00400000>;
+ /*
+ * Internally, USB bus to the interconnect can only address up
+ * to 40-bit
+ */
+ dma-ranges = <0 0 0 0 0x100 0x0>;
+
usbphy0: usb-phy@0 {
compatible = "brcm,sr-usb-combo-phy";
reg = <0x0 0x00000000 0x0 0x100>;
--
2.17.1
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next reply other threads:[~2021-01-19 6:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-19 5:34 Rayagonda Kokatanur [this message]
2021-01-19 8:45 ` [PATCH v1 1/1] arm64: dts: stingray: fix usb dma address translation Arnd Bergmann
2021-01-19 17:44 ` Ray Jui
2021-01-20 18:45 ` Florian Fainelli
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