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arm64: dts: bcm2712-rpi: Add uart0_dma parameter #6838

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Merged
merged 1 commit into from
May 6, 2025

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@pelwell pelwell commented May 6, 2025

It seems that some applications don't work with UART DMA enabled, while others don't work without it. No DMA seems to be the safer default choice, but add a dtparam - uart0_dma - to re-enable it.

See: #6365

It seems that some applications don't work with UART DMA enabled, while
others don't work without it. No DMA seems to be the safer default
choice, but add a dtparam - uart0_dma - to re-enable it.

See: raspberrypi#6365

Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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pelwell commented May 6, 2025

Merging following positive feedback.

@pelwell pelwell merged commit 8d3206e into raspberrypi:rpi-6.12.y May 6, 2025
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popcornmix added a commit to raspberrypi/firmware that referenced this pull request May 14, 2025
kernel: arm64: dts: bcm2712-rpi: Add uart0_dma parameter
See: raspberrypi/linux#6838

kernel: configs: Enable SENSORS_POWERZ
See: raspberrypi/linux#6845

kernel: wifi: brcmfmac: Include modinfo for 43456 CLM blob
See: raspberrypi/linux#6843

kernel: nvme-pci: Re-enable NVME Host Memory Block (HMB) support
See: raspberrypi/linux#6844

kernel: pisound-micro: Added pin_pull and pin_b_pull sysfs attributes for Pisound Micro
See: raspberrypi/linux#6848

kernel: drm/rp1/rp1_dpi: Move Composite Sync generation into the kernel
See: raspberrypi/linux#6826

kernel: Fix up rp1_dpi_pio for CONFIG_RP1_PIO=n builds
See: raspberrypi/linux#6851
popcornmix added a commit to raspberrypi/rpi-firmware that referenced this pull request May 14, 2025
kernel: arm64: dts: bcm2712-rpi: Add uart0_dma parameter
See: raspberrypi/linux#6838

kernel: configs: Enable SENSORS_POWERZ
See: raspberrypi/linux#6845

kernel: wifi: brcmfmac: Include modinfo for 43456 CLM blob
See: raspberrypi/linux#6843

kernel: nvme-pci: Re-enable NVME Host Memory Block (HMB) support
See: raspberrypi/linux#6844

kernel: pisound-micro: Added pin_pull and pin_b_pull sysfs attributes for Pisound Micro
See: raspberrypi/linux#6848

kernel: drm/rp1/rp1_dpi: Move Composite Sync generation into the kernel
See: raspberrypi/linux#6826

kernel: Fix up rp1_dpi_pio for CONFIG_RP1_PIO=n builds
See: raspberrypi/linux#6851
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