ath11k: configure RDDM size to mhi for recovery by firmware

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>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220209060012.32478-4-quic_wgong@quicinc.com

diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index 8b214380281695ea41e8481e6ef00a2d6253f9c0..fc3524e83e52c6d7f7ba90117c328608e97c7395 100644 (file)
--- 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;