From: Alagu Sankar <[email protected]> The QCA9377-3 WB396 sdio reference card does not get initialized due to the conflict in uart gpio pins. This fix is not required for other QCA9377 sdio cards.
Signed-off-by: Alagu Sankar <[email protected]> --- drivers/net/wireless/ath/ath10k/core.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index b4f66cd..86247c8 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -1708,8 +1708,15 @@ static int ath10k_init_uart(struct ath10k *ar) return ret; } - if (!uart_print) + if (!uart_print) { + /* Hack: override dbg TX pin to avoid side effects of default + * GPIO_6 in QCA9377 WB396 reference card + */ + if (ar->hif.bus == ATH10K_BUS_SDIO) + ath10k_bmi_write32(ar, hi_dbg_uart_txpin, + ar->hw_params.uart_pin); return 0; + } ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin); if (ret) { -- 1.9.1 _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
