[PATCH] Revert "ARM: dts: bcm283x: increase dwc2's RX FIFO size"
From: Stefan Wahren <hidden>
Date: 2021-05-29 13:03:49
This reverts commit 278407a53c3b33fb820332c4d39eb39316c3879a.
The original change breaks USB config on Raspberry Pi Zero and Pi 4 B,
because it exceeds the total fifo size of 4080. A naive attempt to reduce
g-tx-fifo-size doesn't help on Raspberry Pi Zero. So better go back.
Fixes: 278407a53c3b ("ARM: dts: bcm283x: increase dwc2's RX FIFO size")
Signed-off-by: Stefan Wahren <redacted>
Cc: Pavel Hofman <redacted>
---
arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi | 2 +-
arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
index 20322de..e2fd961 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-otg.dtsi@@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 &usb { dr_mode = "otg"; - g-rx-fifo-size = <558>; + g-rx-fifo-size = <256>; g-np-tx-fifo-size = <32>; /* * According to dwc2 the sum of all device EP
diff --git a/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi b/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi
index 1409d1b..0ff0e9e 100644
--- a/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi
+++ b/arch/arm/boot/dts/bcm283x-rpi-usb-peripheral.dtsi@@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 &usb { dr_mode = "peripheral"; - g-rx-fifo-size = <558>; + g-rx-fifo-size = <256>; g-np-tx-fifo-size = <32>; g-tx-fifo-size = <256 256 512 512 512 768 768>; };
--
2.7.4
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