linux-kernel - [PATCH 0/2] bus: mhi: host: pci_generic: Couple of recovery fixes

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Message-Id: <20250108-mhi_recovery_fix-v1-0-a0a00a17da46@linaro.org>
Date: Wed, 08 Jan 2025 19:09:26 +0530
From: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.linaro.org@...nel.org>
To: mhi@...ts.linux.dev, Loic Poulain <loic.poulain@...aro.org>
Cc: Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 stable@...r.kernel.org
Subject: [PATCH 0/2] bus: mhi: host: pci_generic: Couple of recovery fixes

Hi,

This series fixes a couple of issues reported by Johan in [1]. First one fixes
a deadlock that happens during shutdown and suspend. Second one fixes the
driver's PM behavior.

[1] https://lore.kernel.org/mhi/Z1me8iaK7cwgjL92@hovoldconsulting.com

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
Manivannan Sadhasivam (2):
      bus: mhi: host: pci_generic: Use pci_try_reset_function() to avoid deadlock
      bus: mhi: host: pci_generic: Recover the device synchronously from mhi_pci_runtime_resume()

 drivers/bus/mhi/host/pci_generic.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)
---
base-commit: fc033cf25e612e840e545f8d5ad2edd6ba613ed5
change-id: 20250108-mhi_recovery_fix-a8f37168f91c

Best regards,
-- 
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>