ath6kl: Add a module parameter to enable uart debug

To enable firmware debug messages through uart interface,

modprobe ath6kl_sdio uart_debug=1.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index e742793..a481b6a 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -28,10 +28,12 @@
 unsigned int debug_mask;
 static unsigned int testmode;
 static bool suspend_cutpower;
+static unsigned int uart_debug;
 
 module_param(debug_mask, uint, 0644);
 module_param(testmode, uint, 0644);
 module_param(suspend_cutpower, bool, 0444);
+module_param(uart_debug, uint, 0644);
 
 static const struct ath6kl_hw hw_list[] = {
        {
@@ -464,6 +466,13 @@ int ath6kl_configure_target(struct ath6kl *ar)
        u8 fw_iftype, fw_mode = 0, fw_submode = 0;
        int i, status;
 
+       param = uart_debug;
+       if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar,
+                            HI_ITEM(hi_serial_enable)), (u8 *)&param, 4)) {
+               ath6kl_err("bmi_write_memory for uart debug failed\n");
+               return -EIO;
+       }
+
        /*
         * Note: Even though the firmware interface type is
         * chosen as BSS_STA for all three interfaces, can