[PATCH v8 04/24] coresight: add coresight prefix to barrier_pkt

Tingwei Zhang
2020-08-07T11:14:45Z

Add coresight prefix to make it specific. It will be a export symbol.

Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etb10.c | 2 +-
drivers/hwtracing/coresight/coresight-priv.h | 8 ++++----
drivers/hwtracing/coresight/coresight-tmc-etf.c | 2 +-
drivers/hwtracing/coresight/coresight.c | 3 ++-
4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 03e3f2590191..04ee9cda988d 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -525,7 +525,7 @@ static unsigned long etb_update_buffer(struct coresight_device *csdev,

cur = buf->cur;
offset = buf->offset;
- barrier = barrier_pkt;
+ barrier = coresight_barrier_pkt;

for (i = 0; i < to_read; i += 4) {
buf_ptr = buf->data_pages[cur] + offset;
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index d801a2755432..dcb8aeb6af62 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -66,8 +66,8 @@ static DEVICE_ATTR_RO(name)
#define coresight_simple_reg64(type, name, lo_off, hi_off) \
__coresight_simple_func(type, NULL, name, lo_off, hi_off)

-extern const u32 barrier_pkt[4];
-#define CORESIGHT_BARRIER_PKT_SIZE (sizeof(barrier_pkt))
+extern const u32 coresight_barrier_pkt[4];
+#define CORESIGHT_BARRIER_PKT_SIZE (sizeof(coresight_barrier_pkt))

enum etm_addr_type {
ETM_ADDR_TYPE_NONE,
@@ -104,10 +104,10 @@ struct cs_buffers {
static inline void coresight_insert_barrier_packet(void *buf)
{
if (buf)
- memcpy(buf, barrier_pkt, CORESIGHT_BARRIER_PKT_SIZE);
+ memcpy(buf, coresight_barrier_pkt,
+ CORESIGHT_BARRIER_PKT_SIZE);
}

-
static inline void CS_LOCK(void __iomem *addr)
{
do {
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 6375504ba8b0..44402d413ebb 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -519,7 +519,7 @@ static unsigned long tmc_update_etf_buffer(struct coresight_device *csdev,

cur = buf->cur;
offset = buf->offset;
- barrier = barrier_pkt;
+ barrier = coresight_barrier_pkt;

/* for every byte to read */
for (i = 0; i < to_read; i += 4) {
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index e9c90f2de34a..310b1b825dd1 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -53,7 +53,8 @@ static struct list_head *stm_path;
* beginning of the data collected in a buffer. That way the decoder knows that
* it needs to look for another sync sequence.
*/
-const u32 barrier_pkt[4] = {0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff};
+const u32 coresight_barrier_pkt[4] = {
+ 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff};

static int coresight_id_match(struct device *dev, void *data)
{
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project