diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 835b8de92d55e6f94cffbc2f1449eb27acff72b3..cfd7bb29a1ec58cc2e678040151d6324d47bef05 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -2065,8 +2065,16 @@ static int ath10k_init_uart(struct ath10k *ar) return ret; } - if (!uart_print) + if (!uart_print && ar->hw_params.uart_pin_workaround) { + ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, + ar->hw_params.uart_pin); + if (ret) { + ath10k_warn(ar, "failed to set UART TX pin: %d", ret); + return ret; + } + return 0; + } ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin); if (ret) { diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 71314999aa2467a1fbe3b7d77fccb7ce3f35d6ca..a92fce1bb6f0f187060c97df720a43182df94ce7 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -606,6 +606,11 @@ struct ath10k_hw_params { /* target supporting fw download via diag ce */ bool fw_diag_ce_download; + + /* need to set uart pin if disable uart print, workaround for a + * firmware bug + */ + bool uart_pin_workaround; }; struct htt_rx_desc;