]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
habanalabs: do not halt CoreSight during hard reset
authorOmer Shpigelman <oshpigelman@habana.ai>
Sun, 5 Jan 2020 09:05:45 +0000 (09:05 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Mar 2020 06:18:24 +0000 (07:18 +0100)
commitf523ec644d1ca72aec63e9bd373aa6538ad928de
tree019a1e9cb0329d7e010d7f69bbb1e89f9813d162
parentcf221b1506a4b1ac76d8630367b61b27756e1417
habanalabs: do not halt CoreSight during hard reset

[ Upstream commit a37e47192dfa98f79a0cd5ab991c224b5980c982 ]

During hard reset we must not write to the device.
Hence avoid halting CoreSight during user context close if it is done
during hard reset.
In addition, we must not re-enable clock gating afterwards as it was
deliberately disabled in the beginning of the hard reset flow.

Signed-off-by: Omer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/misc/habanalabs/device.c