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| author |   Bhaumik Bhatt <bbhatt@codeaurora.org> | 2021-08-02 10:42:49 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-05 14:28:47 +0200 |
| commit | 3aa8f43b33687a1170e7b96f9b25037566e7fc04 (patch) | |
| tree | 3a0134bb90e74064423ff84e7cc9fa4b02f3705b /drivers/bus | |
| parent | bus: mhi: core: Set BHI/BHIe offsets on power up preparation (diff) | |
| download | linux-dev-3aa8f43b33687a1170e7b96f9b25037566e7fc04.tar.xz linux-dev-3aa8f43b33687a1170e7b96f9b25037566e7fc04.zip | |
bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up
Set the BHI and BHIe pointers to NULL as part of clean-up. This
makes sure that stale pointers are not accessed after powering
MHI down.
Link: https://lore.kernel.org/r/1620330705-40192-3-git-send-email-bbhatt@codeaurora.org
Suggested-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/mhi/core/init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index 11c7a3d3c9bf..1cc2f225d3d1 100644 --- a/drivers/bus/mhi/core/init.c +++ b/drivers/bus/mhi/core/init.c @@ -1132,6 +1132,9 @@ void mhi_unprepare_after_power_down(struct mhi_controller *mhi_cntrl) mhi_cntrl->rddm_image = NULL; } + mhi_cntrl->bhi = NULL; + mhi_cntrl->bhie = NULL; + mhi_deinit_dev_ctxt(mhi_cntrl); } EXPORT_SYMBOL_GPL(mhi_unprepare_after_power_down); |