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From:   Wen Gong <quic_wgong@quicinc.com>
To:     <ath11k@lists.infradead.org>
CC:     <linux-wireless@vger.kernel.org>, <quic_wgong@quicinc.com>
Subject: [PATCH v6 3/6] ath11k: configure RDDM size to mhi for recovery by firmware
Date:   Wed, 9 Feb 2022 01:00:09 -0500
Message-ID: <20220209060012.32478-4-quic_wgong@quicinc.com>
In-Reply-To: <20220209060012.32478-1-quic_wgong@quicinc.com>
References: <20220209060012.32478-1-quic_wgong@quicinc.com>
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The rddm_size is needed by firmware while mhi enter RDDM state, add it
to support recovery when ath11k receive MHI_CB_EE_RDDM message.

Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03003-QCAHSPSWPL_V1_V2_SILICONZ_LITE-2

Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
---
 drivers/net/wireless/ath/ath11k/mhi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index 8b2143802816..fc3524e83e52 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -13,6 +13,7 @@
 #include "pci.h"
 
 #define MHI_TIMEOUT_DEFAULT_MS	90000
+#define RDDM_DUMP_SIZE	0x420000
 
 static struct mhi_channel_config ath11k_mhi_channels_qca6390[] = {
 	{
@@ -382,6 +383,7 @@ int ath11k_mhi_register(struct ath11k_pci *ab_pci)
 		mhi_ctrl->iova_stop = 0xFFFFFFFF;
 	}
 
+	mhi_ctrl->rddm_size = RDDM_DUMP_SIZE;
 	mhi_ctrl->sbl_size = SZ_512K;
 	mhi_ctrl->seg_len = SZ_512K;
 	mhi_ctrl->fbc_download = true;
-- 
2.31.1