* [PATCH] mt76: mt7915: add module paramater to enable firmware debug
@ 2021-10-11 20:55 greearb
0 siblings, 0 replies; only message in thread
From: greearb @ 2021-10-11 20:55 UTC (permalink / raw)
To: linux-wireless; +Cc: Ben Greear
From: Ben Greear <greearb@candelatech.com>
This helps to enable logging during startup.
Signed-off-by: Ben Greear <greearb@candelatech.com>
---
.../wireless/mediatek/mt76/mt7915/debugfs.c | 8 +-------
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 19 ++++++++++++++++++-
.../net/wireless/mediatek/mt76/mt7915/mcu.h | 8 ++++++++
3 files changed, 27 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index be1a0cf25587..7a12bf46c877 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -78,13 +78,7 @@ static int
mt7915_fw_debug_set(void *data, u64 val)
{
struct mt7915_dev *dev = data;
- enum {
- DEBUG_TXCMD = 62,
- DEBUG_CMD_RPT_TX,
- DEBUG_CMD_RPT_TRIG,
- DEBUG_SPL,
- DEBUG_RPT_RX,
- } debug;
+ enum mt_debug debug;
dev->fw_debug = !!val;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index e97cdeae785f..a16347af788e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -8,6 +8,11 @@
#include "mac.h"
#include "eeprom.h"
+static int fw_debug = 0;
+module_param(fw_debug, int, 0644);
+MODULE_PARM_DESC(fw_debug,
+ "Set to 1 to enable FW debugging on startup.");
+
struct mt7915_patch_hdr {
char build_date[16];
char platform[4];
@@ -3016,7 +3021,19 @@ int mt7915_mcu_init(struct mt7915_dev *dev)
return ret;
set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
- mt7915_mcu_fw_log_2_host(dev, 0);
+ if (fw_debug) {
+ enum mt_debug debug;
+
+ /* enable debugging on bootup */
+ dev->fw_debug = 1;
+ mt7915_mcu_fw_log_2_host(dev, 2);
+ for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++)
+ mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug);
+ }
+ else {
+ mt7915_mcu_fw_log_2_host(dev, 0);
+ }
+
mt7915_mcu_set_mwds(dev, 1);
mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_RED, 0, 0);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index d05be18d9288..d0d0b3ee4105 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -1098,6 +1098,14 @@ enum {
MT_BF_MODULE_UPDATE = 25
};
+enum mt_debug {
+ DEBUG_TXCMD = 62,
+ DEBUG_CMD_RPT_TX,
+ DEBUG_CMD_RPT_TRIG,
+ DEBUG_SPL,
+ DEBUG_RPT_RX,
+};
+
#define MT7915_WTBL_UPDATE_MAX_SIZE (sizeof(struct wtbl_req_hdr) + \
sizeof(struct wtbl_generic) + \
sizeof(struct wtbl_rx) + \
--
2.20.1
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