linux-kernel - [PATCH net 0/2] net: ipa: fix cleanup after modem crash

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Message-Id: <20200507191404.31626-1-elder@linaro.org>
Date:   Thu,  7 May 2020 14:14:02 -0500
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net
Cc:     evgreen@...omium.org.net, subashab@...eaurora.org,
        cpratapa@...eaurora.org, bjorn.andersson@...aro.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net 0/2] net: ipa: fix cleanup after modem crash

The first patch in this series fixes a bug where the size of a data
transfer request was never set, meaning it was 0.  The consequence
of this was that such a transfer request would never complete if
attempted, and led to a hung task timeout.

This data transfer is required for cleaning up IPA hardware state
when recovering from a modem crash.  The code to implement this
cleanup is already present, but its use was commented out because
it hit the bug described above.  So the second patch in this series
enables the use of that "tag process" cleanup code.

					-Alex

Alex Elder (2):
  net: ipa: set DMA length in gsi_trans_cmd_add()
  net: ipa: use tag process on modem crash

 drivers/net/ipa/gsi_trans.c |  5 +++--
 drivers/net/ipa/ipa_cmd.c   | 14 +++-----------
 2 files changed, 6 insertions(+), 13 deletions(-)

-- 
2.20.1