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octeon_ep: ensure dbell BADDR updation

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[ Upstream commit ce8fe3fc4f ]

Make sure the OUT DBELL base address reflects the
latest values written to it.

Fix:
Add a wait until the OUT DBELL base address register
is updated with the DMA ring descriptor address,
and modify the setup_oq function to properly
handle failures.

Fixes: 0807dc76f3 ("octeon_ep: support Octeon CN10K devices")
Signed-off-by: Sathesh Edara <sedara@marvell.com>
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: Vimlesh Kumar <vimleshk@marvell.com>
Link: https://patch.msgid.link/20260206111510.1045092-3-vimleshk@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vimlesh Kumar 2026-02-06 11:15:07 +00:00 • committed by Greg Kroah-Hartman
commit 13a61502c1
4 changed files with 48 additions and 11 deletions
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