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Commit 58626dd0 authored by Aparna Das's avatar Aparna Das
Browse files

coresight: add support to enable remote processor etm tracing on boot 



Add support to allow enabling remote processor etm tracing on boot by
default so users don't have to enable it explicitly from sysfs.

Change-Id: I7f719d0b5a504a35cba503c60a7d5d9f8434b309
Signed-off-by: default avatarAparna Das <adas@codeaurora.org>
parent 27a70795

drivers/coresight/Kconfig

+37 −0
Original line number Diff line number Diff line
@@ -179,6 +179,15 @@ config CORESIGHT_AUDIO_ETM 
	  on audio processor via sysfs by configuring the required CoreSight

	  components.



config CORESIGHT_AUDIO_ETM_DEFAULT_ENABLE

	bool "Turn on audio processor ETM tracing by default"

	help

	  Turns on CoreSight audio processor ETM tracing by default. Otherwise,

	  tracing is disabled by default but can be enabled via sysfs.



	  If unsure, say 'N' here to avoid potential power and performance

	  penalty.



config CORESIGHT_MODEM_ETM

	bool "Modem processor ETM trace support"

	help
@@ -187,6 +196,15 @@ config CORESIGHT_MODEM_ETM 
	  on modem processor via sysfs by configuring the required CoreSight

	  components.



config CORESIGHT_MODEM_ETM_DEFAULT_ENABLE

	bool "Turn on modem processor ETM tracing by default"

	help

	  Turns on CoreSight modem processor ETM tracing by default. Otherwise,

	  tracing is disabled by default but can be enabled via sysfs.



	  If unsure, say 'N' here to avoid potential power and performance

	  penalty.



config CORESIGHT_WCN_ETM

	bool "Wireless subsystem processor ETM trace support"

	help
@@ -195,6 +213,16 @@ config CORESIGHT_WCN_ETM 
	  turning on ETM tracing on wireless subsystem via sysfs by configuring

	  the required CoreSight components.



config CORESIGHT_WCN_ETM_DEFAULT_ENABLE

	bool "Turn on wireless subsystem processor ETM tracing by default"

	help

	  Turns on CoreSight wireless subsystem processor ETM tracing by

	  default. Otherwise, tracing is disabled by default but can be enabled

	  via sysfs.



	  If unsure, say 'N' here to avoid potential power and performance

	  penalty.



config CORESIGHT_RPM_ETM

	bool "RPM processor ETM trace support"

	help
@@ -203,6 +231,15 @@ config CORESIGHT_RPM_ETM 
	  tracing on RPM processor via sysfs by configuring the required

	  CoreSight components.



config CORESIGHT_RPM_ETM_DEFAULT_ENABLE

	bool "Turn on RPM processor ETM tracing by default"

	help

	  Turns on CoreSight RPM processor ETM tracing by default. Otherwise,

	  tracing is disabled by default but can be enabled via sysfs.



	  If unsure, say 'N' here to avoid potential power and performance

	  penalty.



endif



config CORESIGHT_QPDI

drivers/coresight/coresight-audio-etm.c

+12 −0
Original line number Diff line number Diff line
@@ -24,6 +24,15 @@ 
#include <linux/coresight.h>

#include "coresight-qmi.h"



#ifdef CONFIG_CORESIGHT_AUDIO_ETM_DEFAULT_ENABLE

static int boot_enable = 1;

#else

static int boot_enable;

#endif

module_param_named(

	boot_enable, boot_enable, int, S_IRUGO

);



struct audio_etm_drvdata {

	struct device			*dev;

	struct coresight_device		*csdev;
@@ -292,6 +301,9 @@ static int audio_etm_probe(struct platform_device *pdev) 
		goto err1;

	}

	dev_info(dev, "Audio ETM initialized\n");



	if (boot_enable)

		coresight_enable(drvdata->csdev);

	return 0;

err1:

	qmi_svc_event_notifier_unregister(CORESIGHT_QMI_SVC_ID,

drivers/coresight/coresight-modem-etm.c

+12 −0
Original line number Diff line number Diff line
@@ -24,6 +24,15 @@ 
#include <linux/coresight.h>

#include "coresight-qmi.h"



#ifdef CONFIG_CORESIGHT_MODEM_ETM_DEFAULT_ENABLE

static int boot_enable = 1;

#else

static int boot_enable;

#endif

module_param_named(

	boot_enable, boot_enable, int, S_IRUGO

);



struct modem_etm_drvdata {

	struct device			*dev;

	struct coresight_device		*csdev;
@@ -292,6 +301,9 @@ static int modem_etm_probe(struct platform_device *pdev) 
		goto err1;

	}

	dev_info(dev, "Modem ETM initialized\n");



	if (boot_enable)

		coresight_enable(drvdata->csdev);

	return 0;

err1:

	qmi_svc_event_notifier_unregister(CORESIGHT_QMI_SVC_ID,

drivers/coresight/coresight-rpm-etm.c

+13 −0
Original line number Diff line number Diff line
@@ -24,6 +24,15 @@ 
#include <linux/coresight.h>

#include "coresight-qmi.h"



#ifdef CONFIG_CORESIGHT_RPM_ETM_DEFAULT_ENABLE

static int boot_enable = 1;

#else

static int boot_enable;

#endif

module_param_named(

	boot_enable, boot_enable, int, S_IRUGO

);



struct rpm_etm_drvdata {

	struct device			*dev;

	struct coresight_device		*csdev;
@@ -292,6 +301,10 @@ static int rpm_etm_probe(struct platform_device *pdev) 
		goto err1;

	}

	dev_info(dev, "RPM ETM initialized\n");



	if (boot_enable)

		coresight_enable(drvdata->csdev);



	return 0;

err1:

	qmi_svc_event_notifier_unregister(CORESIGHT_QMI_SVC_ID,

drivers/coresight/coresight-wcn-etm.c

+12 −0
Original line number Diff line number Diff line
@@ -24,6 +24,15 @@ 
#include <linux/coresight.h>

#include "coresight-qmi.h"



#ifdef CONFIG_CORESIGHT_WCN_ETM_DEFAULT_ENABLE

static int boot_enable = 1;

#else

static int boot_enable;

#endif

module_param_named(

	boot_enable, boot_enable, int, S_IRUGO

);



struct wcn_etm_drvdata {

	struct device			*dev;

	struct coresight_device		*csdev;
@@ -292,6 +301,9 @@ static int wcn_etm_probe(struct platform_device *pdev) 
		goto err1;

	}

	dev_info(dev, "Wireless ETM initialized\n");



	if (boot_enable)

		coresight_enable(drvdata->csdev);

	return 0;

err1:

	qmi_svc_event_notifier_unregister(CORESIGHT_QMI_SVC_ID,