ASoC: SOF: core: Add debug module parameters to set IPC and boot timeout

Add two module parameters to override the IPC and boot timeout values if the SOF stack is compiled with debug enabled to allow experimenting with different timeout values without the need to recompile the kernel. Signed-off-by: Peter Ujfalusi <[email protected]>
thesofproject · Sep 24, 2024 · f8b852f · f8b852f
1 parent 753b2cc
commit f8b852f
Showing 1 changed file with 24 additions and 1 deletion.
diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
@@ -24,6 +24,17 @@ static int sof_core_debug =  IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_FIRMWARE
 module_param_named(sof_debug, sof_core_debug, int, 0444);
 MODULE_PARM_DESC(sof_debug, "SOF core debug options (0x0 all off)");
 
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
+static unsigned int sof_ipc_timeout_ms;
+static unsigned int sof_boot_timeout_ms;
+module_param_named(ipc_timeout, sof_ipc_timeout_ms, uint, 0444);
+MODULE_PARM_DESC(ipc_timeout,
+		 "Set the IPC timeout value in ms (0 to use the platform default)");
+module_param_named(boot_timeout, sof_boot_timeout_ms, uint, 0444);
+MODULE_PARM_DESC(boot_timeout,
+		 "Set the DSP boot timeout value in ms (0 to use the platform default)");
+#endif
+
 /* SOF defaults if not provided by the platform in ms */
 #define TIMEOUT_DEFAULT_IPC_MS  500
 #define TIMEOUT_DEFAULT_BOOT_MS 2000
@@ -636,11 +647,23 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 	mutex_init(&sdev->ipc_client_mutex);
 	mutex_init(&sdev->client_event_handler_mutex);
 
-	/* set default timeouts if none provided */
+	/* set IPC timeout */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
+	if (sof_ipc_timeout_ms)
+		sdev->ipc_timeout = sof_ipc_timeout_ms;
+	else
+#endif
 	if (plat_data->desc->ipc_timeout == 0)
 		sdev->ipc_timeout = TIMEOUT_DEFAULT_IPC_MS;
 	else
 		sdev->ipc_timeout = plat_data->desc->ipc_timeout;
+
+	/* set DSP/firmware boot timeout */
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
+	if (sof_boot_timeout_ms)
+		sdev->boot_timeout = sof_boot_timeout_ms;
+	else
+#endif
 	if (plat_data->desc->boot_timeout == 0)
 		sdev->boot_timeout = TIMEOUT_DEFAULT_BOOT_MS;
 	else