From: Bhaumik Bhatt <bbhatt@codeaurora.org> To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, loic.poulain@linaro.org, linux-wireless@vger.kernel.org, kvalo@codeaurora.org, ath11k@lists.infradead.org, Bhaumik Bhatt <bbhatt@codeaurora.org> Subject: [PATCH v1 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Date: Fri, 16 Apr 2021 11:47:01 -0700 [thread overview] Message-ID: <1618598825-18629-3-git-send-email-bbhatt@codeaurora.org> (raw) In-Reply-To: <1618598825-18629-1-git-send-email-bbhatt@codeaurora.org> 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. Suggested-by: Hemant Kumar <hemantk@codeaurora.org> Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org> --- drivers/bus/mhi/core/init.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index 11c7a3d..1cc2f22 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); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: Bhaumik Bhatt <bbhatt@codeaurora.org> To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, loic.poulain@linaro.org, linux-wireless@vger.kernel.org, kvalo@codeaurora.org, ath11k@lists.infradead.org, Bhaumik Bhatt <bbhatt@codeaurora.org> Subject: [PATCH v1 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Date: Fri, 16 Apr 2021 11:47:01 -0700 [thread overview] Message-ID: <1618598825-18629-3-git-send-email-bbhatt@codeaurora.org> (raw) In-Reply-To: <1618598825-18629-1-git-send-email-bbhatt@codeaurora.org> 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. Suggested-by: Hemant Kumar <hemantk@codeaurora.org> Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org> --- drivers/bus/mhi/core/init.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index 11c7a3d..1cc2f22 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); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k
next prev parent reply other threads:[~2021-04-16 18:47 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-16 18:46 [PATCH v1 0/6] BHI/BHIe improvements for MHI power purposes Bhaumik Bhatt 2021-04-16 18:46 ` Bhaumik Bhatt 2021-04-16 18:47 ` [PATCH v1 1/6] bus: mhi: core: Set BHI/BHIe offsets on power up preparation Bhaumik Bhatt 2021-04-16 18:47 ` Bhaumik Bhatt 2021-05-04 17:22 ` Jeffrey Hugo 2021-05-04 17:22 ` Jeffrey Hugo 2021-04-16 18:47 ` Bhaumik Bhatt [this message] 2021-04-16 18:47 ` [PATCH v1 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Bhaumik Bhatt 2021-05-04 17:26 ` Jeffrey Hugo 2021-05-04 17:26 ` Jeffrey Hugo 2021-04-16 18:47 ` [PATCH v1 3/6] bus: mhi: Add MMIO region length to controller structure Bhaumik Bhatt 2021-04-16 18:47 ` Bhaumik Bhatt 2021-05-04 17:28 ` Jeffrey Hugo 2021-05-04 17:28 ` Jeffrey Hugo 2021-05-04 23:04 ` Bhaumik Bhatt 2021-05-04 23:04 ` Bhaumik Bhatt 2021-04-16 18:47 ` [PATCH v1 4/6] ath11k: set register access length for MHI driver Bhaumik Bhatt 2021-04-16 18:47 ` Bhaumik Bhatt 2021-04-16 18:47 ` [PATCH v1 5/6] bus: mhi: pci_generic: Set " Bhaumik Bhatt 2021-04-16 18:47 ` Bhaumik Bhatt 2021-04-16 18:47 ` [PATCH v1 6/6] bus: mhi: core: Add range checks for BHI and BHIe Bhaumik Bhatt 2021-04-16 18:47 ` Bhaumik Bhatt 2021-05-04 17:30 ` Jeffrey Hugo 2021-05-04 17:30 ` Jeffrey Hugo
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