[PATCH v2 14/15] dmaengine: bcm2835: Add BCM2711 40-bit DMA support

[Stefan Wahren]

Hi Andrea,

Am 13.03.24 um 15:08 schrieb Andrea della Porta:
> BCM2711 has 4 DMA channels with a 40-bit address range, allowing them
> to access the full 4GB of memory on a Pi 4. Assume every channel is capable
> of 40-bit address range.
>
> Originally-by: Phil Elwell <phil at raspberrypi.org>
> Originally-by: Maxime Ripard <maxime at cerno.tech>
> Originally-by: Stefan Wahren <stefan.wahren at i2se.com>
> Signed-off-by: Andrea della Porta <andrea.porta at suse.com>
> ---
>   drivers/dma/bcm2835-dma.c | 553 ++++++++++++++++++++++++++++++++------
>   1 file changed, 466 insertions(+), 87 deletions(-)

this patch contains a lot of changes (including style fixes). It would
be better to split this more for a better understanding.