dmaengine: idxd: reconfig device after device reset command
authorDave Jiang <dave.jiang@intel.com>
Thu, 2 Sep 2021 00:18:05 +0000 (17:18 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Nov 2021 18:17:03 +0000 (19:17 +0100)
commit671dd8b385b29d7813f03bde85315c46264dbd23
tree791ba9ae4914f2ed3f1226806d372757c4cd3f66
parentb1b9ef3abafa72b83dc77f59bc11469e20ed730b
dmaengine: idxd: reconfig device after device reset command

[ Upstream commit e530a9f3db4188d1f4e3704b0948ef69c04d5ca6 ]

Device reset clears the MSIXPERM table and the device registers. Re-program
the MSIXPERM table and re-enable the error interrupts post reset.

Fixes: 745e92a6d816 ("dmaengine: idxd: idxd: move remove() bits for idxd 'struct device' to device.c")
Reported-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163054188513.2853562.12077053294595278181.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/dma/idxd/device.c