lede/package/kernel/mac80211/patches/ath11k/012-ath11k-set-register-access-length-for-MHI-driver.patch
2021-07-28 10:12:15 +08:00

32 lines
1.3 KiB
Diff

From fb359946c3effad77a3ac8ebc943ea5cac22d335 Mon Sep 17 00:00:00 2001
From: Bhaumik Bhatt <bbhatt@codeaurora.org>
Date: Thu, 6 May 2021 12:51:43 -0700
Subject: [PATCH] ath11k: set register access length for MHI driver
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>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1620330705-40192-5-git-send-email-bbhatt@codeaurora.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.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 27b394d115e26a..e097ae52e25733 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -330,6 +330,7 @@ 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) {