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staging: vchiq_arm: Use the correct DMA device#7497

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staging: vchiq_arm: Use the correct DMA device#7497
pelwell wants to merge 1 commit into
raspberrypi:rpi-6.18.yfrom
pelwell:vchiqbulk

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@pelwell pelwell commented Jul 14, 2026

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On Pi 4 it is necessary to use DMA address mappings that are correct for the 40-bit DMA controller in order to access the whole of RAM.

See: #7493

Fixes: 35ef141 ("staging: vchiq_arm: Set up dma ranges on child devices")

On Pi 4 it is necessary to use DMA address mappings that are correct for
the 40-bit DMA controller in order to access the whole of RAM.

See: raspberrypi#7493

Fixes: 35ef141 ("staging: vchiq_arm: Set up dma ranges on child devices")
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
@pelwell

pelwell commented Jul 14, 2026

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#7494 has the advantage of working.

@pelwell pelwell closed this Jul 14, 2026
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