From 5b9030cee1bedba934adb5c7ae708e510dddd0f0 Mon Sep 17 00:00:00 2001 From: Rakesh Pillai Date: Mon, 3 Sep 2018 22:07:02 +0530 Subject: ath10k: Set DMA address mask to 35 bit for WCN3990 WCN3990 is a 37-bit target but can address memory range only upto 35 bits. The 36th bit is used to control the smmu/iommu translation and the 37th bit is used by the internal bus masters to access the wifi subsystem internal SRAM. With the DMA mask set to 37i-bit, the host driver can get 37-bit dma address, which leads to incorrect address access in the target. Hence the host driver can used addresses upto 35-bit for WCN3990. Fix the dma mask for wcn3990 to 35-bit, instead of 37-bit. Tested HW: WCN3990 Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1 Tested-by: Bjorn Andersson Signed-off-by: Rakesh Pillai Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/hw.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath/ath10k/hw.c') diff --git a/drivers/net/wireless/ath/ath10k/hw.c b/drivers/net/wireless/ath/ath10k/hw.c index 61ecf931ba4d..48886b6b9056 100644 --- a/drivers/net/wireless/ath/ath10k/hw.c +++ b/drivers/net/wireless/ath/ath10k/hw.c @@ -318,9 +318,11 @@ static struct ath10k_hw_ce_ctrl1_upd wcn3990_ctrl1_upd = { }; const struct ath10k_hw_ce_regs wcn3990_ce_regs = { - .sr_base_addr = 0x00000000, + .sr_base_addr_lo = 0x00000000, + .sr_base_addr_hi = 0x00000004, .sr_size_addr = 0x00000008, - .dr_base_addr = 0x0000000c, + .dr_base_addr_lo = 0x0000000c, + .dr_base_addr_hi = 0x00000010, .dr_size_addr = 0x00000014, .misc_ie_addr = 0x00000034, .sr_wr_index_addr = 0x0000003c, @@ -464,9 +466,9 @@ static struct ath10k_hw_ce_dst_src_wm_regs qcax_wm_dst_ring = { }; const struct ath10k_hw_ce_regs qcax_ce_regs = { - .sr_base_addr = 0x00000000, + .sr_base_addr_lo = 0x00000000, .sr_size_addr = 0x00000004, - .dr_base_addr = 0x00000008, + .dr_base_addr_lo = 0x00000008, .dr_size_addr = 0x0000000c, .ce_cmd_addr = 0x00000018, .misc_ie_addr = 0x00000034, -- cgit v1.2.3