ASoC: wcd934x: skip mutex lock for WDSP boot timeout debug dump

In the case of WDSP boot timeout, api_mutex and ssr_mutex have already
been acquired. There is no need to do mutex lock again during debug dump.
Check the signal enum to see if it's the internal WDSP boot timeout case.

Change-Id: I6fe5e77b1bff72ed5ad463bb1df76c6b02c84c92
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>

asoc/codecs/wcd934x/wcd934x-dsp-cntl.c

@@ -101,6 +101,7 @@ static u16 wdsp_reg_for_debug_dump[] = {
 	WCD934X_CPE_SS_SOC_SW_COLLAPSE_CTL,
 	WCD934X_CPE_SS_MAD_CTL,
 	WCD934X_CPE_SS_CPAR_CTL,
+	WCD934X_CPE_SS_CPAR_CFG,
 	WCD934X_CPE_SS_WDOG_CFG,
 	WCD934X_CPE_SS_STATUS,
 	WCD934X_CPE_SS_SS_ERROR_INT_MASK_0A,
@@ -113,10 +114,12 @@ static u16 wdsp_reg_for_debug_dump[] = {
 	WCD934X_CPE_SS_SS_ERROR_INT_STATUS_1B,
 };
 
-static void wcd_cntl_collect_debug_dumps(struct wcd_dsp_cntl *cntl)
+static void wcd_cntl_collect_debug_dumps(struct wcd_dsp_cntl *cntl,
+					 bool internal)
 {
 	struct snd_soc_codec *codec = cntl->codec;
 	struct wdsp_err_signal_arg arg;
+	enum wdsp_signal signal;
 	int i;
 	u8 val;
 
@@ -146,8 +149,8 @@ static void wcd_cntl_collect_debug_dumps(struct wcd_dsp_cntl *cntl)
 		arg.mem_dumps_enabled = cntl->ramdump_enable;
 		arg.remote_start_addr = WCD_934X_RAMDUMP_START_ADDR;
 		arg.dump_size = WCD_934X_RAMDUMP_SIZE;
-		cntl->m_ops->signal_handler(cntl->m_dev, WDSP_DEBUG_DUMP,
-					    &arg);
+		signal = internal ? WDSP_DEBUG_DUMP_INTERNAL : WDSP_DEBUG_DUMP;
+		cntl->m_ops->signal_handler(cntl->m_dev, signal, &arg);
 	}
 
 	/* Unmask the fatal irqs */
@@ -161,7 +164,8 @@ static void wcd_cntl_collect_debug_dumps(struct wcd_dsp_cntl *cntl)
 #else
 #define WCD_CNTL_SET_ERR_IRQ_FLAG(cntl) 0
 #define WCD_CNTL_CLR_ERR_IRQ_FLAG(cntl) do {} while (0)
-static void wcd_cntl_collect_debug_dumps(struct wcd_dsp_cntl *cntl)
+static void wcd_cntl_collect_debug_dumps(struct wcd_dsp_cntl *cntl,
+					 bool internal)
 {
 }
 #endif
@@ -753,7 +757,7 @@ static int wcd_cntl_do_boot(struct wcd_dsp_cntl *cntl)
 	if (!ret) {
 		dev_err(codec->dev, "%s: WDSP boot timed out\n",
 			__func__);
-		wcd_cntl_collect_debug_dumps(cntl);
+		wcd_cntl_collect_debug_dumps(cntl, true);
 		ret = -ETIMEDOUT;
 		goto err_boot;
 	} else {
@@ -1041,7 +1045,7 @@ static ssize_t wcd_miscdev_write(struct file *filep, const char __user *ubuf,
 	} else if (!strcmp(val, "DEBUG_DUMP")) {
 		dev_dbg(cntl->codec->dev,
 			"%s: Collect dumps for debug use\n", __func__);
-		wcd_cntl_collect_debug_dumps(cntl);
+		wcd_cntl_collect_debug_dumps(cntl, false);
 		goto done;
 	} else {
 		dev_err(cntl->codec->dev, "%s: Invalid value %s\n",