Merge "coresight: enable & disable flush on wdog reset using cti for tmc-etf"
diff --git a/drivers/coresight/coresight-tmc.c b/drivers/coresight/coresight-tmc.c
index 10eabca..d9ab7e4 100644
--- a/drivers/coresight/coresight-tmc.c
+++ b/drivers/coresight/coresight-tmc.c
@@ -29,6 +29,7 @@
#include <linux/of.h>
#include <linux/of_coresight.h>
#include <linux/coresight.h>
+#include <linux/coresight-cti.h>
#include <linux/usb/usb_qdss.h>
#include <mach/memory.h>
#include <mach/sps.h>
@@ -136,6 +137,8 @@
struct miscdevice miscdev;
struct clk *clk;
spinlock_t spinlock;
+ struct coresight_cti *cti_flush;
+ struct coresight_cti *cti_reset;
struct mutex read_lock;
int read_count;
bool reading;
@@ -372,7 +375,7 @@
TMC_UNLOCK(drvdata);
tmc_writel(drvdata, TMC_MODE_CIRCULAR_BUFFER, TMC_MODE);
- tmc_writel(drvdata, 0x133, TMC_FFCR);
+ tmc_writel(drvdata, 0x1133, TMC_FFCR);
tmc_writel(drvdata, drvdata->trigger_cntr, TMC_TRG);
__tmc_enable(drvdata);
@@ -430,7 +433,10 @@
return ret;
mutex_lock(&drvdata->usb_lock);
- if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) {
+ if (drvdata->config_type == TMC_CONFIG_TYPE_ETB) {
+ coresight_cti_map_trigout(drvdata->cti_flush, 1, 0);
+ coresight_cti_map_trigin(drvdata->cti_reset, 0, 0);
+ } else if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) {
if (drvdata->out_mode == TMC_ETR_OUT_MODE_USB) {
drvdata->usbch = usb_qdss_open("qdss", drvdata,
usb_notifier);
@@ -440,6 +446,11 @@
goto err0;
}
}
+ } else {
+ if (mode == TMC_MODE_CIRCULAR_BUFFER) {
+ coresight_cti_map_trigout(drvdata->cti_flush, 1, 0);
+ coresight_cti_map_trigin(drvdata->cti_reset, 0, 0);
+ }
}
spin_lock_irqsave(&drvdata->spinlock, flags);
@@ -632,7 +643,6 @@
static void tmc_disable(struct tmc_drvdata *drvdata, enum tmc_mode mode)
{
unsigned long flags;
- bool etr_bam_disable = false;
mutex_lock(&drvdata->usb_lock);
spin_lock_irqsave(&drvdata->spinlock, flags);
@@ -645,27 +655,28 @@
if (drvdata->out_mode == TMC_ETR_OUT_MODE_MEM)
__tmc_etr_disable_to_mem(drvdata);
else if (drvdata->out_mode == TMC_ETR_OUT_MODE_USB)
- etr_bam_disable = true;
+ __tmc_etr_disable_to_bam(drvdata);
} else {
if (mode == TMC_MODE_CIRCULAR_BUFFER)
__tmc_etb_disable(drvdata);
else
__tmc_etf_disable(drvdata);
}
-out:
drvdata->enable = false;
spin_unlock_irqrestore(&drvdata->spinlock, flags);
- if (etr_bam_disable) {
- if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) {
- if (drvdata->out_mode == TMC_ETR_OUT_MODE_USB) {
- spin_lock_irqsave(&drvdata->spinlock, flags);
- __tmc_etr_disable_to_bam(drvdata);
- spin_unlock_irqrestore(&drvdata->spinlock,
- flags);
- tmc_etr_bam_disable(drvdata);
- usb_qdss_close(drvdata->usbch);
- }
+ if (drvdata->config_type == TMC_CONFIG_TYPE_ETB) {
+ coresight_cti_unmap_trigin(drvdata->cti_reset, 0, 0);
+ coresight_cti_unmap_trigout(drvdata->cti_flush, 1, 0);
+ } else if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) {
+ if (drvdata->out_mode == TMC_ETR_OUT_MODE_USB) {
+ tmc_etr_bam_disable(drvdata);
+ usb_qdss_close(drvdata->usbch);
+ }
+ } else {
+ if (mode == TMC_MODE_CIRCULAR_BUFFER) {
+ coresight_cti_unmap_trigin(drvdata->cti_reset, 0, 0);
+ coresight_cti_unmap_trigout(drvdata->cti_flush, 1, 0);
}
}
mutex_unlock(&drvdata->usb_lock);
@@ -673,6 +684,15 @@
clk_disable_unprepare(drvdata->clk);
dev_info(drvdata->dev, "TMC disabled\n");
+ return;
+out:
+ drvdata->enable = false;
+ spin_unlock_irqrestore(&drvdata->spinlock, flags);
+ mutex_unlock(&drvdata->usb_lock);
+
+ clk_disable_unprepare(drvdata->clk);
+
+ dev_info(drvdata->dev, "TMC disabled\n");
}
static void tmc_disable_sink(struct coresight_device *csdev)
@@ -1091,6 +1111,7 @@
static int count;
void *baddr;
struct msm_client_dump dump;
+ struct coresight_cti_data *ctidata;
struct coresight_desc *desc;
if (pdev->dev.of_node) {
@@ -1209,6 +1230,23 @@
}
count++;
+ if (pdev->dev.of_node) {
+ ctidata = of_get_coresight_cti_data(dev, pdev->dev.of_node);
+ if (IS_ERR(ctidata)) {
+ dev_err(dev, "invalid cti data\n");
+ } else if (ctidata && ctidata->nr_ctis == 2) {
+ drvdata->cti_flush = coresight_cti_get(
+ ctidata->names[0]);
+ if (IS_ERR(drvdata->cti_flush))
+ dev_err(dev, "failed to get flush cti\n");
+
+ drvdata->cti_reset = coresight_cti_get(
+ ctidata->names[1]);
+ if (IS_ERR(drvdata->cti_reset))
+ dev_err(dev, "failed to get reset cti\n");
+ }
+ }
+
desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
if (!desc) {
ret = -ENOMEM;