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 v4 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Date: Thu, 6 May 2021 12:51:41 -0700 [thread overview] Message-ID: <1620330705-40192-3-git-send-email-bbhatt@codeaurora.org> (raw) In-Reply-To: <1620330705-40192-1-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> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Reviewed-by: Hemant Kumar <hemantk@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
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 v4 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Date: Thu, 6 May 2021 12:51:41 -0700 [thread overview] Message-ID: <1620330705-40192-3-git-send-email-bbhatt@codeaurora.org> (raw) In-Reply-To: <1620330705-40192-1-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> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Reviewed-by: Hemant Kumar <hemantk@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:[~2021-05-06 19:52 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-06 19:51 [PATCH v4 0/6] BHI/BHIe improvements for MHI power purposes Bhaumik Bhatt 2021-05-06 19:51 ` Bhaumik Bhatt 2021-05-06 19:51 ` [PATCH v4 1/6] bus: mhi: core: Set BHI/BHIe offsets on power up preparation Bhaumik Bhatt 2021-05-06 19:51 ` Bhaumik Bhatt 2021-05-21 13:36 ` Manivannan Sadhasivam 2021-05-21 13:36 ` Manivannan Sadhasivam 2021-05-06 19:51 ` Bhaumik Bhatt [this message] 2021-05-06 19:51 ` [PATCH v4 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Bhaumik Bhatt 2021-05-21 13:37 ` Manivannan Sadhasivam 2021-05-21 13:37 ` Manivannan Sadhasivam 2021-05-06 19:51 ` [PATCH v4 3/6] bus: mhi: Add MMIO region length to controller structure Bhaumik Bhatt 2021-05-06 19:51 ` Bhaumik Bhatt 2021-05-21 13:38 ` Manivannan Sadhasivam 2021-05-21 13:38 ` Manivannan Sadhasivam 2021-05-06 19:51 ` [PATCH v4 4/6] ath11k: set register access length for MHI driver Bhaumik Bhatt 2021-05-06 19:51 ` Bhaumik Bhatt 2021-05-21 13:51 ` Manivannan Sadhasivam 2021-05-21 13:51 ` Manivannan Sadhasivam 2021-06-14 16:02 ` Kalle Valo 2021-06-14 16:02 ` Kalle Valo 2021-06-14 17:49 ` Bhaumik Bhatt 2021-06-14 17:49 ` Bhaumik Bhatt 2021-06-16 17:38 ` Bhaumik Bhatt 2021-06-16 17:38 ` Bhaumik Bhatt 2021-06-18 6:45 ` Manivannan Sadhasivam 2021-06-18 6:45 ` Manivannan Sadhasivam 2021-06-23 17:29 ` Kalle Valo 2021-06-23 17:29 ` Kalle Valo 2021-06-24 6:09 ` Manivannan Sadhasivam 2021-06-24 6:09 ` Manivannan Sadhasivam 2021-06-23 17:34 ` Kalle Valo 2021-06-23 17:34 ` Kalle Valo 2021-06-23 21:33 ` Bhaumik Bhatt 2021-06-23 21:33 ` Bhaumik Bhatt 2021-05-06 19:51 ` [PATCH v4 5/6] bus: mhi: pci_generic: Set " Bhaumik Bhatt 2021-05-06 19:51 ` Bhaumik Bhatt 2021-05-21 13:52 ` Manivannan Sadhasivam 2021-05-21 13:52 ` Manivannan Sadhasivam 2021-05-06 19:51 ` [PATCH v4 6/6] bus: mhi: core: Add range checks for BHI and BHIe Bhaumik Bhatt 2021-05-06 19:51 ` Bhaumik Bhatt 2021-05-07 2:33 ` Hemant Kumar 2021-05-07 2:33 ` Hemant Kumar 2021-05-21 13:54 ` Manivannan Sadhasivam 2021-05-21 13:54 ` Manivannan Sadhasivam 2021-06-25 5:28 ` [PATCH v4 0/6] BHI/BHIe improvements for MHI power purposes Manivannan Sadhasivam 2021-06-25 5:28 ` Manivannan Sadhasivam -- strict thread matches above, loose matches on Subject: below -- 2021-05-06 19:32 Bhaumik Bhatt 2021-05-06 19:32 ` [PATCH v4 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Bhaumik Bhatt 2021-05-06 19:32 ` Bhaumik Bhatt
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1620330705-40192-3-git-send-email-bbhatt@codeaurora.org \ --to=bbhatt@codeaurora.org \ --cc=ath11k@lists.infradead.org \ --cc=hemantk@codeaurora.org \ --cc=jhugo@codeaurora.org \ --cc=kvalo@codeaurora.org \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-wireless@vger.kernel.org \ --cc=loic.poulain@linaro.org \ --cc=manivannan.sadhasivam@linaro.org \ --subject='Re: [PATCH v4 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.