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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxxxxxxx>
Originally-by: Maxime Ripard <maxime@xxxxxxxxxx>
Originally-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
Signed-off-by: Andrea della Porta <andrea.porta@xxxxxxxx>
---
  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.





[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux