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From: Bhaumik Bhatt <>
	Bhaumik Bhatt <>
Subject: [PATCH v2 4/6] ath11k: set register access length for MHI driver
Date: Tue,  4 May 2021 16:37:56 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

MHI driver requires register space length to add range checks and
prevent memory region accesses outside of that for MMIO space.
Set it before registering the MHI controller.

Signed-off-by: Bhaumik Bhatt <>
 drivers/net/wireless/ath/ath11k/mhi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index 09858e5..c0f013c 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -235,6 +235,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci)
 	mhi_ctrl->cntrl_dev = ab->dev;
 	mhi_ctrl->fw_image = ab_pci->amss_path;
 	mhi_ctrl->regs = ab->mem;
+	mhi_ctrl->reg_len = ab->mem_len;
 	ret = ath11k_mhi_get_msi(ab_pci);
 	if (ret) {
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

  parent reply	other threads:[~2021-05-04 23:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-04 23:37 [PATCH v2 0/6] BHI/BHIe improvements for MHI power purposes Bhaumik Bhatt
2021-05-04 23:37 ` [PATCH v2 1/6] bus: mhi: core: Set BHI/BHIe offsets on power up preparation Bhaumik Bhatt
2021-05-04 23:37 ` [PATCH v2 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Bhaumik Bhatt
2021-05-04 23:37 ` [PATCH v2 3/6] bus: mhi: Add MMIO region length to controller structure Bhaumik Bhatt
2021-05-05 14:37   ` Jeffrey Hugo
2021-05-04 23:37 ` Bhaumik Bhatt [this message]
2021-05-04 23:37 ` [PATCH v2 5/6] bus: mhi: pci_generic: Set register access length for MHI driver Bhaumik Bhatt
2021-05-04 23:37 ` [PATCH v2 6/6] bus: mhi: core: Add range checks for BHI and BHIe Bhaumik Bhatt

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