It's useful to permit the customization of the debug uart baud rate. Enable
this and send down the value to the chip if we're enabling debug.
Signed-off-by: Steve deRosier <steve.derosier@xxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath6kl/core.c | 3 +++
drivers/net/wireless/ath/ath6kl/core.h | 1 +
drivers/net/wireless/ath/ath6kl/init.c | 8 ++++++++
3 files changed, 12 insertions(+)
diff --git a/drivers/net/wireless/ath/ath6kl/core.c b/drivers/net/wireless/ath/ath6kl/core.c
index 4ec02ce..ebb9f16 100644
--- a/drivers/net/wireless/ath/ath6kl/core.c
+++ b/drivers/net/wireless/ath/ath6kl/core.c
@@ -31,6 +31,7 @@ unsigned int debug_mask;
static unsigned int suspend_mode;
static unsigned int wow_mode;
static unsigned int uart_debug;
+static unsigned int uart_rate = 115200;
static unsigned int ath6kl_p2p;
static unsigned int testmode;
static unsigned int recovery_enable;
@@ -40,6 +41,7 @@ module_param(debug_mask, uint, 0644);
module_param(suspend_mode, uint, 0644);
module_param(wow_mode, uint, 0644);
module_param(uart_debug, uint, 0644);
+module_param(uart_rate, uint, 0644);
module_param(ath6kl_p2p, uint, 0644);
module_param(testmode, uint, 0644);
module_param(recovery_enable, uint, 0644);
@@ -180,6 +182,7 @@ int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
if (uart_debug)
ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;
+ ar->hw.uarttx_rate = uart_rate;
set_bit(FIRST_BOOT, &ar->flag);
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 5f3acfe..80ce54d 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -781,6 +781,7 @@ struct ath6kl {
u32 board_addr;
u32 refclk_hz;
u32 uarttx_pin;
+ u32 uarttx_rate;
u32 testscript_addr;
u8 tx_ant;
u8 rx_ant;
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 3daeb27..58fb227 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -651,6 +651,14 @@ int ath6kl_configure_target(struct ath6kl *ar)
if (status)
return status;
+ /* Only set the baud rate if we're actually doing debug */
+ if (ar->conf_flags & ATH6KL_CONF_UART_DEBUG) {
+ status = ath6kl_bmi_write_hi32(ar, hi_desired_baud_rate,
+ ar->hw.uarttx_rate);
+ if (status)
+ return status;
+ }
+
/* Configure target refclk_hz */
if (ar->hw.refclk_hz != 0) {
status = ath6kl_bmi_write_hi32(ar, hi_refclk_hz,
--
1.9.1
--
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