iwlwifi: pcie: reconfigure MSI-X HW on resume

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When going into suspend, the HW configuration for MSI-X will
likely be lost. As a consequence, after waking up, all IRQ
causes will be mapped to interrupt 0, and as a consequence we
don't notice the interrupt because in most cases this is an
interrupt for a queue, and getting it doesn't read the other
cause registers.

Fixes: 2e5d4a8f61 ("iwlwifi: pcie: Add new configuration to enable MSIX")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

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Johannes Berg 2017-06-20 12:51:30 +02:00 • committed by Luca Coelho

parent 4f555e602b

commit 52848a79b9

1 changed files with 3 additions and 0 deletions

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drivers/net/wireless/intel/iwlwifi/pcie/drv.c

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