[v4,4/6] ath11k: set register access length for MHI driver

Message ID 1620329545-32328-5-git-send-email-bbhatt@qti.qualcomm.com
State New
Headers show
  • BHI/BHIe improvements for MHI power purposes
Related show

Commit Message

Bhaumik Bhatt May 6, 2021, 7:32 p.m.
From: Bhaumik Bhatt <bbhatt@codeaurora.org>

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 <bbhatt@codeaurora.org>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
 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) {