diff options
| author |   Loic Poulain <loic.poulain@linaro.org> | 2021-12-16 13:42:19 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-17 17:17:14 +0100 |
| commit | f77097ec8c0141a4b5cf3722a246be0cb5677e29 (patch) | |
| tree | 0b584757427a70799873fe8e4cb9ae4c4541d0e9 /drivers/bus | |
| parent | bus: mhi: pci_generic: Add new device ID support for T99W175 (diff) | |
| download | linux-dev-f77097ec8c0141a4b5cf3722a246be0cb5677e29.tar.xz linux-dev-f77097ec8c0141a4b5cf3722a246be0cb5677e29.zip | |
bus: mhi: pci_generic: Graceful shutdown on freeze
There is no reason for shutting down MHI ungracefully on freeze,
this causes the MHI host stack & device stack to not be aligned
anymore since the proper MHI reset sequence is not performed for
ungraceful shutdown.
Link: https://lore.kernel.org/r/1635268180-13699-1-git-send-email-loic.poulain@linaro.org
Fixes: 5f0c2ee1fe8d ("bus: mhi: pci-generic: Fix hibernation")
Cc: stable@vger.kernel.org
Suggested-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20211216081227.237749-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/mhi/pci_generic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 9d8e8f0e0123..1ffd78113e47 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -1021,7 +1021,7 @@ static int __maybe_unused mhi_pci_freeze(struct device *dev) * context. */ if (test_and_clear_bit(MHI_PCI_DEV_STARTED, &mhi_pdev->status)) { - mhi_power_down(mhi_cntrl, false); + mhi_power_down(mhi_cntrl, true); mhi_unprepare_after_power_down(mhi_cntrl); } |