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| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-03-19 20:00:13 +0100 |
|---|---|---|
| committer | Florian Fainelli <f.fainelli@gmail.com> | 2020-03-22 22:45:24 +0100 |
| commit | 55c7c0621078bd73e9d4d2a11eb36e61bc6fe998 (patch) | |
| tree | ad35abc89d2fcd9081aeca1903b7c8ba63a9de94 /arch/arm/boot/dts | |
| parent | ARM: bcm2835-rpi-zero-w: Add missing pinctrl name (diff) | |
| download | linux-55c7c0621078bd73e9d4d2a11eb36e61bc6fe998.tar.xz linux-55c7c0621078bd73e9d4d2a11eb36e61bc6fe998.zip | |
ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations
The bus is virtual and devices have to inherit their DMA constraints
from the underlying interconnect. So add an empty dma-ranges property to
the bus node, implying the firmware bus' DMA constraints are identical to
its parent's.
Fixes: 7dbe8c62ceeb ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/boot/dts')
| -rw-r--r-- | arch/arm/boot/dts/bcm2835-rpi.dtsi | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index 394c8a71b13b..fd2c766e0f71 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -15,6 +15,7 @@ firmware: firmware { compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; mboxes = <&mailbox>; + dma-ranges; }; power: power { |