[PATCH 0/2] dmaengine: dma-axi-dmac: Some memory related fixes

["Nuno Sá via B4 Relay" <devnull+nuno.sa.analog.com@kernel.org>]

This series aims to fix some issues with axi-dmac driver related to
memory:

1. When testing the IP on a microblaze based platform, we get vmalloced
   memory when allocation DMAC descriptors which will lead to BUG() when
   releasing them. More on the commit message.
2. The second is related with a well known issues with devm allocations
   of reference counted objects on a provider-consumer relationship.
   Seems to be a knows issue in dmaengine but fix it in the AXI-DMAC
   driver by properly implementing .the device_release() callback.

Didn't add any fixes tag because for 1), it was not an issue when the
drivers was first implemented (just triggered very recently) and for 2),
because it seems like a well known issue. Anyways, for 2) seems more
reasonable to have a fixes tag (IMO) if you want me to add one.

Also note that my signoff on Eliza patch is merely because I'm sending
the patch on her behalf. I had not part in the solution (just improved
comments and commit message a bit).

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
---
Eliza Balas (1):
      dmaengine: dma-axi-dmac: Defer freeing DMA descriptors

Nuno Sá (1):
      dmaengine: dma-axi-dmac: fix use-after-free on unbind

 drivers/dma/dma-axi-dmac.c | 95 +++++++++++++++++++++++++++++++++++++---------
 1 file changed, 78 insertions(+), 17 deletions(-)
---
base-commit: b7560798466a07d9c3fb011698e92c335ab28baf
change-id: 20260325-dma-dmac-handle-vunmap-84a06df7d133
--

Thanks!
- Nuno Sá