1 files changed, 172 insertions, 141 deletions

diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index 9cac848cffaf..e9eeea6240d5 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -4,6 +4,8 @@
  * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
  */
 
+#include <linux/bitfield.h>
+#include <linux/coresight.h>
 #include <linux/pid_namespace.h>
 #include <linux/pm_runtime.h>
 #include <linux/sysfs.h>
@@ -174,7 +176,7 @@ static ssize_t reset_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	if (val)
 		config->mode = 0x0;
 
@@ -266,9 +268,10 @@ static ssize_t reset_store(struct device *dev,
 	config->vmid_mask0 = 0x0;
 	config->vmid_mask1 = 0x0;
 
-	drvdata->trcid = drvdata->cpu + 1;
+	raw_spin_unlock(&drvdata->spinlock);
 
-	spin_unlock(&drvdata->spinlock);
+	/* for sysfs - only release trace id when resetting */
+	etm4_release_trace_id(drvdata);
 
 	cscfg_csdev_reset_feats(to_coresight_device(dev));
 
@@ -299,7 +302,7 @@ static ssize_t mode_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->mode = val & ETMv4_MODE_ALL;
 
 	if (drvdata->instrp0 == true) {
@@ -436,7 +439,7 @@ static ssize_t mode_store(struct device *dev,
 	if (config->mode & (ETM_MODE_EXCL_KERN | ETM_MODE_EXCL_USER))
 		etm4_config_trace_mode(config);
 
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 
 	return size;
 }
@@ -465,14 +468,14 @@ static ssize_t pe_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	if (val > drvdata->nr_pe) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EINVAL;
 	}
 
 	config->pe_sel = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(pe);
@@ -500,7 +503,7 @@ static ssize_t event_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	switch (drvdata->nr_event) {
 	case 0x0:
 		/* EVENT0, bits[7:0] */
@@ -521,7 +524,7 @@ static ssize_t event_store(struct device *dev,
 	default:
 		break;
 	}
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(event);
@@ -549,7 +552,7 @@ static ssize_t event_instren_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	/* start by clearing all instruction event enable bits */
 	config->eventctrl1 &= ~TRCEVENTCTL1R_INSTEN_MASK;
 	switch (drvdata->nr_event) {
@@ -577,7 +580,7 @@ static ssize_t event_instren_store(struct device *dev,
 	default:
 		break;
 	}
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(event_instren);
@@ -738,11 +741,11 @@ static ssize_t event_vinst_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val &= TRCVICTLR_EVENT_MASK >> __bf_shf(TRCVICTLR_EVENT_MASK);
 	config->vinst_ctrl &= ~TRCVICTLR_EVENT_MASK;
 	config->vinst_ctrl |= FIELD_PREP(TRCVICTLR_EVENT_MASK, val);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(event_vinst);
@@ -770,13 +773,13 @@ static ssize_t s_exlevel_vinst_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	/* clear all EXLEVEL_S bits  */
 	config->vinst_ctrl &= ~TRCVICTLR_EXLEVEL_S_MASK;
 	/* enable instruction tracing for corresponding exception level */
 	val &= drvdata->s_ex_level;
 	config->vinst_ctrl |= val << __bf_shf(TRCVICTLR_EXLEVEL_S_MASK);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(s_exlevel_vinst);
@@ -805,13 +808,13 @@ static ssize_t ns_exlevel_vinst_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	/* clear EXLEVEL_NS bits  */
 	config->vinst_ctrl &= ~TRCVICTLR_EXLEVEL_NS_MASK;
 	/* enable instruction tracing for corresponding exception level */
 	val &= drvdata->ns_ex_level;
 	config->vinst_ctrl |= val << __bf_shf(TRCVICTLR_EXLEVEL_NS_MASK);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(ns_exlevel_vinst);
@@ -845,9 +848,9 @@ static ssize_t addr_idx_store(struct device *dev,
 	 * Use spinlock to ensure index doesn't change while it gets
 	 * dereferenced multiple times within a spinlock block elsewhere.
 	 */
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->addr_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_idx);
@@ -861,7 +864,7 @@ static ssize_t addr_instdatatype_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	val = FIELD_GET(TRCACATRn_TYPE_MASK, config->addr_acc[idx]);
 	len = scnprintf(buf, PAGE_SIZE, "%s\n",
@@ -869,7 +872,7 @@ static ssize_t addr_instdatatype_show(struct device *dev,
 			(val == TRCACATRn_TYPE_DATA_LOAD_ADDR ? "data_load" :
 			(val == TRCACATRn_TYPE_DATA_STORE_ADDR ? "data_store" :
 			"data_load_store")));
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return len;
 }
 
@@ -887,13 +890,13 @@ static ssize_t addr_instdatatype_store(struct device *dev,
 	if (sscanf(buf, "%s", str) != 1)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (!strcmp(str, "instr"))
 		/* TYPE, bits[1:0] */
 		config->addr_acc[idx] &= ~TRCACATRn_TYPE_MASK;
 
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_instdatatype);
@@ -908,14 +911,14 @@ static ssize_t addr_single_show(struct device *dev,
 	struct etmv4_config *config = &drvdata->config;
 
 	idx = config->addr_idx;
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE ||
 	      config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 	val = (unsigned long)config->addr_val[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -931,17 +934,17 @@ static ssize_t addr_single_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE ||
 	      config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
 	config->addr_val[idx] = (u64)val;
 	config->addr_type[idx] = ETM_ADDR_TYPE_SINGLE;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_single);
@@ -955,23 +958,23 @@ static ssize_t addr_range_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (idx % 2 != 0) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 	if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE &&
 	       config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) ||
 	      (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE &&
 	       config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
 	val1 = (unsigned long)config->addr_val[idx];
 	val2 = (unsigned long)config->addr_val[idx + 1];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx %#lx\n", val1, val2);
 }
 
@@ -994,10 +997,10 @@ static ssize_t addr_range_store(struct device *dev,
 	if (val1 > val2)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (idx % 2 != 0) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
@@ -1005,7 +1008,7 @@ static ssize_t addr_range_store(struct device *dev,
 	       config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) ||
 	      (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE &&
 	       config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
@@ -1022,7 +1025,7 @@ static ssize_t addr_range_store(struct device *dev,
 		exclude = config->mode & ETM_MODE_EXCLUDE;
 	etm4_set_mode_exclude(drvdata, exclude ? true : false);
 
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_range);
@@ -1036,17 +1039,17 @@ static ssize_t addr_start_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 
 	if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE ||
 	      config->addr_type[idx] == ETM_ADDR_TYPE_START)) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
 	val = (unsigned long)config->addr_val[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1062,22 +1065,22 @@ static ssize_t addr_start_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (!drvdata->nr_addr_cmp) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EINVAL;
 	}
 	if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE ||
 	      config->addr_type[idx] == ETM_ADDR_TYPE_START)) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
 	config->addr_val[idx] = (u64)val;
 	config->addr_type[idx] = ETM_ADDR_TYPE_START;
 	config->vissctlr |= BIT(idx);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_start);
@@ -1091,17 +1094,17 @@ static ssize_t addr_stop_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 
 	if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE ||
 	      config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
 	val = (unsigned long)config->addr_val[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1117,22 +1120,22 @@ static ssize_t addr_stop_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (!drvdata->nr_addr_cmp) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EINVAL;
 	}
 	if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE ||
 	       config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) {
-		spin_unlock(&drvdata->spinlock);
+		raw_spin_unlock(&drvdata->spinlock);
 		return -EPERM;
 	}
 
 	config->addr_val[idx] = (u64)val;
 	config->addr_type[idx] = ETM_ADDR_TYPE_STOP;
 	config->vissctlr |= BIT(idx + 16);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_stop);
@@ -1146,14 +1149,14 @@ static ssize_t addr_ctxtype_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	/* CONTEXTTYPE, bits[3:2] */
 	val = FIELD_GET(TRCACATRn_CONTEXTTYPE_MASK, config->addr_acc[idx]);
 	len = scnprintf(buf, PAGE_SIZE, "%s\n", val == ETM_CTX_NONE ? "none" :
 			(val == ETM_CTX_CTXID ? "ctxid" :
 			(val == ETM_CTX_VMID ? "vmid" : "all")));
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return len;
 }
 
@@ -1171,7 +1174,7 @@ static ssize_t addr_ctxtype_store(struct device *dev,
 	if (sscanf(buf, "%s", str) != 1)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	if (!strcmp(str, "none"))
 		/* start by clearing context type bits */
@@ -1198,7 +1201,7 @@ static ssize_t addr_ctxtype_store(struct device *dev,
 		if (drvdata->numvmidc)
 			config->addr_acc[idx] |= TRCACATRn_CONTEXTTYPE_VMID;
 	}
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_ctxtype);
@@ -1212,11 +1215,11 @@ static ssize_t addr_context_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	/* context ID comparator bits[6:4] */
 	val = FIELD_GET(TRCACATRn_CONTEXT_MASK, config->addr_acc[idx]);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1237,12 +1240,12 @@ static ssize_t addr_context_store(struct device *dev,
 		     drvdata->numcidc : drvdata->numvmidc))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	/* clear context ID comparator bits[6:4] */
 	config->addr_acc[idx] &= ~TRCACATRn_CONTEXT_MASK;
 	config->addr_acc[idx] |= val << __bf_shf(TRCACATRn_CONTEXT_MASK);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_context);
@@ -1256,10 +1259,10 @@ static ssize_t addr_exlevel_s_ns_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	val = FIELD_GET(TRCACATRn_EXLEVEL_MASK, config->addr_acc[idx]);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1278,12 +1281,12 @@ static ssize_t addr_exlevel_s_ns_store(struct device *dev,
 	if (val & ~(TRCACATRn_EXLEVEL_MASK >> __bf_shf(TRCACATRn_EXLEVEL_MASK)))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	/* clear Exlevel_ns & Exlevel_s bits[14:12, 11:8], bit[15] is res0 */
 	config->addr_acc[idx] &= ~TRCACATRn_EXLEVEL_MASK;
 	config->addr_acc[idx] |= val << __bf_shf(TRCACATRn_EXLEVEL_MASK);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(addr_exlevel_s_ns);
@@ -1306,7 +1309,7 @@ static ssize_t addr_cmp_view_show(struct device *dev,
 	int size = 0;
 	bool exclude = false;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->addr_idx;
 	addr_v = config->addr_val[idx];
 	addr_ctrl = config->addr_acc[idx];
@@ -1321,7 +1324,7 @@ static ssize_t addr_cmp_view_show(struct device *dev,
 		}
 		exclude = config->viiectlr & BIT(idx / 2 + 16);
 	}
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	if (addr_type) {
 		size = scnprintf(buf, PAGE_SIZE, "addr_cmp[%i] %s %#lx", idx,
 				 addr_type_names[addr_type], addr_v);
@@ -1365,9 +1368,9 @@ static ssize_t vinst_pe_cmp_start_stop_store(struct device *dev,
 	if (!drvdata->nr_pe_cmp)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->vipcssctlr = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(vinst_pe_cmp_start_stop);
@@ -1401,9 +1404,9 @@ static ssize_t seq_idx_store(struct device *dev,
 	 * Use spinlock to ensure index doesn't change while it gets
 	 * dereferenced multiple times within a spinlock block elsewhere.
 	 */
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->seq_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(seq_idx);
@@ -1447,10 +1450,10 @@ static ssize_t seq_event_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->seq_idx;
 	val = config->seq_ctrl[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1466,11 +1469,11 @@ static ssize_t seq_event_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->seq_idx;
 	/* Seq control has two masks B[15:8] F[7:0] */
 	config->seq_ctrl[idx] = val & 0xFFFF;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(seq_event);
@@ -1534,9 +1537,9 @@ static ssize_t cntr_idx_store(struct device *dev,
 	 * Use spinlock to ensure index doesn't change while it gets
 	 * dereferenced multiple times within a spinlock block elsewhere.
 	 */
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->cntr_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(cntr_idx);
@@ -1550,10 +1553,10 @@ static ssize_t cntrldvr_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->cntr_idx;
 	val = config->cntrldvr[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1571,10 +1574,10 @@ static ssize_t cntrldvr_store(struct device *dev,
 	if (val > ETM_CNTR_MAX_VAL)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->cntr_idx;
 	config->cntrldvr[idx] = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(cntrldvr);
@@ -1588,10 +1591,10 @@ static ssize_t cntr_val_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->cntr_idx;
 	val = config->cntr_val[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1609,10 +1612,10 @@ static ssize_t cntr_val_store(struct device *dev,
 	if (val > ETM_CNTR_MAX_VAL)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->cntr_idx;
 	config->cntr_val[idx] = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(cntr_val);
@@ -1626,10 +1629,10 @@ static ssize_t cntr_ctrl_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->cntr_idx;
 	val = config->cntr_ctrl[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1645,10 +1648,10 @@ static ssize_t cntr_ctrl_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->cntr_idx;
 	config->cntr_ctrl[idx] = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(cntr_ctrl);
@@ -1686,9 +1689,9 @@ static ssize_t res_idx_store(struct device *dev,
 	 * Use spinlock to ensure index doesn't change while it gets
 	 * dereferenced multiple times within a spinlock block elsewhere.
 	 */
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->res_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(res_idx);
@@ -1702,10 +1705,10 @@ static ssize_t res_ctrl_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->res_idx;
 	val = config->res_ctrl[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1721,7 +1724,7 @@ static ssize_t res_ctrl_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->res_idx;
 	/* For odd idx pair inversal bit is RES0 */
 	if (idx % 2 != 0)
@@ -1731,7 +1734,7 @@ static ssize_t res_ctrl_store(struct device *dev,
 				       TRCRSCTLRn_INV |
 				       TRCRSCTLRn_GROUP_MASK |
 				       TRCRSCTLRn_SELECT_MASK);
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(res_ctrl);
@@ -1760,9 +1763,9 @@ static ssize_t sshot_idx_store(struct device *dev,
 	if (val >= drvdata->nr_ss_cmp)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->ss_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(sshot_idx);
@@ -1775,9 +1778,9 @@ static ssize_t sshot_ctrl_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val = config->ss_ctrl[config->ss_idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1793,12 +1796,12 @@ static ssize_t sshot_ctrl_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->ss_idx;
 	config->ss_ctrl[idx] = FIELD_PREP(TRCSSCCRn_SAC_ARC_RST_MASK, val);
 	/* must clear bit 31 in related status register on programming */
 	config->ss_status[idx] &= ~TRCSSCSRn_STATUS;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(sshot_ctrl);
@@ -1810,9 +1813,9 @@ static ssize_t sshot_status_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val = config->ss_status[config->ss_idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 static DEVICE_ATTR_RO(sshot_status);
@@ -1825,9 +1828,9 @@ static ssize_t sshot_pe_ctrl_show(struct device *dev,
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
 	struct etmv4_config *config = &drvdata->config;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val = config->ss_pe_cmp[config->ss_idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1843,12 +1846,12 @@ static ssize_t sshot_pe_ctrl_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->ss_idx;
 	config->ss_pe_cmp[idx] = FIELD_PREP(TRCSSPCICRn_PC_MASK, val);
 	/* must clear bit 31 in related status register on programming */
 	config->ss_status[idx] &= ~TRCSSCSRn_STATUS;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(sshot_pe_ctrl);
@@ -1882,9 +1885,9 @@ static ssize_t ctxid_idx_store(struct device *dev,
 	 * Use spinlock to ensure index doesn't change while it gets
 	 * dereferenced multiple times within a spinlock block elsewhere.
 	 */
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->ctxid_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(ctxid_idx);
@@ -1905,10 +1908,10 @@ static ssize_t ctxid_pid_show(struct device *dev,
 	if (task_active_pid_ns(current) != &init_pid_ns)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->ctxid_idx;
 	val = (unsigned long)config->ctxid_pid[idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -1943,10 +1946,10 @@ static ssize_t ctxid_pid_store(struct device *dev,
 	if (kstrtoul(buf, 16, &pid))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	idx = config->ctxid_idx;
 	config->ctxid_pid[idx] = (u64)pid;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(ctxid_pid);
@@ -1966,10 +1969,10 @@ static ssize_t ctxid_masks_show(struct device *dev,
 	if (task_active_pid_ns(current) != &init_pid_ns)
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val1 = config->ctxid_mask0;
 	val2 = config->ctxid_mask1;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx %#lx\n", val1, val2);
 }
 
@@ -2002,7 +2005,7 @@ static ssize_t ctxid_masks_store(struct device *dev,
 	if ((drvdata->numcidc > 4) && (nr_inputs != 2))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	/*
 	 * each byte[0..3] controls mask value applied to ctxid
 	 * comparator[0..3]
@@ -2074,7 +2077,7 @@ static ssize_t ctxid_masks_store(struct device *dev,
 			mask >>= 0x8;
 	}
 
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(ctxid_masks);
@@ -2108,9 +2111,9 @@ static ssize_t vmid_idx_store(struct device *dev,
 	 * Use spinlock to ensure index doesn't change while it gets
 	 * dereferenced multiple times within a spinlock block elsewhere.
 	 */
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->vmid_idx = val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(vmid_idx);
@@ -2130,9 +2133,9 @@ static ssize_t vmid_val_show(struct device *dev,
 	if (!task_is_in_init_pid_ns(current))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val = (unsigned long)config->vmid_val[config->vmid_idx];
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
 }
 
@@ -2160,9 +2163,9 @@ static ssize_t vmid_val_store(struct device *dev,
 	if (kstrtoul(buf, 16, &val))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	config->vmid_val[config->vmid_idx] = (u64)val;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(vmid_val);
@@ -2181,10 +2184,10 @@ static ssize_t vmid_masks_show(struct device *dev,
 	if (!task_is_in_init_pid_ns(current))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 	val1 = config->vmid_mask0;
 	val2 = config->vmid_mask1;
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return scnprintf(buf, PAGE_SIZE, "%#lx %#lx\n", val1, val2);
 }
 
@@ -2216,7 +2219,7 @@ static ssize_t vmid_masks_store(struct device *dev,
 	if ((drvdata->numvmidc > 4) && (nr_inputs != 2))
 		return -EINVAL;
 
-	spin_lock(&drvdata->spinlock);
+	raw_spin_lock(&drvdata->spinlock);
 
 	/*
 	 * each byte[0..3] controls mask value applied to vmid
@@ -2289,7 +2292,7 @@ static ssize_t vmid_masks_store(struct device *dev,
 		else
 			mask >>= 0x8;
 	}
-	spin_unlock(&drvdata->spinlock);
+	raw_spin_unlock(&drvdata->spinlock);
 	return size;
 }
 static DEVICE_ATTR_RW(vmid_masks);
@@ -2318,11 +2321,11 @@ static ssize_t ts_source_show(struct device *dev,
 		goto out;
 	}
 
-	switch (drvdata->trfcr & TRFCR_ELx_TS_MASK) {
-	case TRFCR_ELx_TS_VIRTUAL:
-	case TRFCR_ELx_TS_GUEST_PHYSICAL:
-	case TRFCR_ELx_TS_PHYSICAL:
-		val = FIELD_GET(TRFCR_ELx_TS_MASK, drvdata->trfcr);
+	val = FIELD_GET(TRFCR_EL1_TS_MASK, drvdata->trfcr);
+	switch (val) {
+	case TRFCR_EL1_TS_VIRTUAL:
+	case TRFCR_EL1_TS_GUEST_PHYSICAL:
+	case TRFCR_EL1_TS_PHYSICAL:
 		break;
 	default:
 		val = -1;
@@ -2392,6 +2395,24 @@ static struct attribute *coresight_etmv4_attrs[] = {
 	NULL,
 };
 
+/*
+ * Trace ID allocated dynamically on enable - but also allocate on read
+ * in case sysfs or perf read before enable to ensure consistent metadata
+ * information for trace decode
+ */
+static ssize_t trctraceid_show(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
+{
+	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+	int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL);
+
+	if (trace_id < 0)
+		return trace_id;
+
+	return sysfs_emit(buf, "0x%x\n", trace_id);
+}
+
 struct etmv4_reg {
 	struct coresight_device *csdev;
 	u32 offset;
@@ -2420,7 +2441,7 @@ static u32 etmv4_cross_read(const struct etmv4_drvdata *drvdata, u32 offset)
 	return reg.data;
 }
 
-static inline u32 coresight_etm4x_attr_to_offset(struct device_attribute *attr)
+static u32 coresight_etm4x_attr_to_offset(struct device_attribute *attr)
 {
 	struct dev_ext_attribute *eattr;
 
@@ -2444,7 +2465,7 @@ static ssize_t coresight_etm4x_reg_show(struct device *dev,
 	return scnprintf(buf, PAGE_SIZE, "0x%x\n", val);
 }
 
-static inline bool
+static bool
 etm4x_register_implemented(struct etmv4_drvdata *drvdata, u32 offset)
 {
 	switch (offset) {
@@ -2507,13 +2528,23 @@ coresight_etm4x_attr_reg_implemented(struct kobject *kobj,
 	return 0;
 }
 
-#define coresight_etm4x_reg(name, offset)				\
-	&((struct dev_ext_attribute[]) {				\
-	   {								\
-		__ATTR(name, 0444, coresight_etm4x_reg_show, NULL),	\
-		(void *)(unsigned long)offset				\
-	   }								\
-	})[0].attr.attr
+/*
+ * Macro to set an RO ext attribute with offset and show function.
+ * Offset is used in mgmt group to ensure only correct registers for
+ * the ETM / ETE variant are visible.
+ */
+#define coresight_etm4x_reg_showfn(name, offset, showfn) (	\
+	&((struct dev_ext_attribute[]) {			\
+	   {							\
+		__ATTR(name, 0444, showfn, NULL),		\
+		(void *)(unsigned long)offset			\
+	   }							\
+	})[0].attr.attr						\
+	)
+
+/* macro using the default coresight_etm4x_reg_show function */
+#define coresight_etm4x_reg(name, offset)	\
+	coresight_etm4x_reg_showfn(name, offset, coresight_etm4x_reg_show)
 
 static struct attribute *coresight_etmv4_mgmt_attrs[] = {
 	coresight_etm4x_reg(trcpdcr, TRCPDCR),
@@ -2528,7 +2559,7 @@ static struct attribute *coresight_etmv4_mgmt_attrs[] = {
 	coresight_etm4x_reg(trcpidr3, TRCPIDR3),
 	coresight_etm4x_reg(trcoslsr, TRCOSLSR),
 	coresight_etm4x_reg(trcconfig, TRCCONFIGR),
-	coresight_etm4x_reg(trctraceid, TRCTRACEIDR),
+	coresight_etm4x_reg_showfn(trctraceid, TRCTRACEIDR, trctraceid_show),
 	coresight_etm4x_reg(trcdevarch, TRCDEVARCH),
 	NULL,
 };