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thunderbolt: Handle ring interrupt by reading interrupt status register
authorSanjay R Mehta <sanju.mehta@amd.com>
Fri, 6 Aug 2021 16:59:06 +0000 (11:59 -0500)
committerMika Westerberg <mika.westerberg@linux.intel.com>
Mon, 9 Aug 2021 11:58:29 +0000 (14:58 +0300)
commit7a1808f82a37d638ee6862175e8e5c5433fdd642
tree728567a76b066c7d4e181d86c37949804185ec3dtree | snapshot
parente390909ac763589558ffb91856f121820f933e4bcommit | diff
thunderbolt: Handle ring interrupt by reading interrupt status register

As per USB4 specification by default "Disable ISR Auto-Clear" bit is set
to zero and the Tx/Rx ring interrupt status needs to be cleared.

Hence handle it by reading the interrupt status register (ISR) in the
MSI-X handler.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
drivers/thunderbolt/nhi.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git