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path: root/drivers/net/wireless/ath/ath12k/mhi.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath12k/mhi.c')
-rw-r--r--drivers/net/wireless/ath/ath12k/mhi.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath12k/mhi.c b/drivers/net/wireless/ath/ath12k/mhi.c
index fef2f7622033..df96b0f91f54 100644
--- a/drivers/net/wireless/ath/ath12k/mhi.c
+++ b/drivers/net/wireless/ath/ath12k/mhi.c
@@ -16,6 +16,7 @@
#define MHI_TIMEOUT_DEFAULT_MS 90000
#define OTP_INVALID_BOARD_ID 0xFFFF
#define OTP_VALID_DUALMAC_BOARD_ID_MASK 0x1000
+#define MHI_CB_INVALID 0xff
static const struct mhi_channel_config ath12k_mhi_channels_qcn9274[] = {
{
@@ -268,6 +269,7 @@ static void ath12k_mhi_op_status_cb(struct mhi_controller *mhi_cntrl,
enum mhi_callback cb)
{
struct ath12k_base *ab = dev_get_drvdata(mhi_cntrl->cntrl_dev);
+ struct ath12k_pci *ab_pci = ath12k_pci_priv(ab);
ath12k_dbg(ab, ATH12K_DBG_BOOT, "mhi notify status reason %s\n",
ath12k_mhi_op_callback_to_str(cb));
@@ -277,12 +279,20 @@ static void ath12k_mhi_op_status_cb(struct mhi_controller *mhi_cntrl,
ath12k_warn(ab, "firmware crashed: MHI_CB_SYS_ERROR\n");
break;
case MHI_CB_EE_RDDM:
+ if (ab_pci->mhi_pre_cb == MHI_CB_EE_RDDM) {
+ ath12k_dbg(ab, ATH12K_DBG_BOOT,
+ "do not queue again for consecutive RDDM event\n");
+ break;
+ }
+
if (!(test_bit(ATH12K_FLAG_UNREGISTERING, &ab->dev_flags)))
queue_work(ab->workqueue_aux, &ab->reset_work);
break;
default:
break;
}
+
+ ab_pci->mhi_pre_cb = cb;
}
static int ath12k_mhi_op_read_reg(struct mhi_controller *mhi_cntrl,
@@ -313,6 +323,7 @@ int ath12k_mhi_register(struct ath12k_pci *ab_pci)
if (!mhi_ctrl)
return -ENOMEM;
+ ab_pci->mhi_pre_cb = MHI_CB_INVALID;
ab_pci->mhi_ctrl = mhi_ctrl;
mhi_ctrl->cntrl_dev = ab->dev;
mhi_ctrl->regs = ab->mem;