Skip to content
Commit 94ad8f3a authored by Alex Elder's avatar Alex Elder Committed by Jakub Kicinski
Browse files

net: ipa: clear pending interrupts before enabling



We enable the completion interrupt for channel or event ring
commands only when we issue them.  The interrupt is disabled after
the interrupt has fired, or after we have timed out waiting for it.

If we time out, the command could complete after the interrupt has
been disabled, causing a state change in the channel or event ring.
The interrupt associated with that state change would be delivered
the next time the completion interrupt is enabled.

To avoid previous command completions interfering with new commands,
clear all pending completion interrupts before re-enabling them for
a new command.

Fixes: b4175f87 ("net: ipa: only enable GSI event control IRQs when needed")
Signed-off-by: default avatarAlex Elder <elder@linaro.org>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 8450e23f
Loading
Loading
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Please register or to comment