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path: root/drivers/hwtracing/coresight/coresight-etb10.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etb10.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-etb10.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 320d29df17e1..306119eaf16a 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -195,7 +195,6 @@ static void etb_dump_hw(struct etb_drvdata *drvdata)
bool lost = false;
int i;
u8 *buf_ptr;
- const u32 *barrier;
u32 read_data, depth;
u32 read_ptr, write_ptr;
u32 frame_off, frame_endoff;
@@ -226,19 +225,16 @@ static void etb_dump_hw(struct etb_drvdata *drvdata)
depth = drvdata->buffer_depth;
buf_ptr = drvdata->buf;
- barrier = barrier_pkt;
for (i = 0; i < depth; i++) {
read_data = readl_relaxed(drvdata->base +
ETB_RAM_READ_DATA_REG);
- if (lost && *barrier) {
- read_data = *barrier;
- barrier++;
- }
-
*(u32 *)buf_ptr = read_data;
buf_ptr += 4;
}
+ if (lost)
+ coresight_insert_barrier_packet(drvdata->buf);
+
if (frame_off) {
buf_ptr -= (frame_endoff * 4);
for (i = 0; i < frame_endoff; i++) {
@@ -447,7 +443,7 @@ static void etb_update_buffer(struct coresight_device *csdev,
buf_ptr = buf->data_pages[cur] + offset;
read_data = readl_relaxed(drvdata->base +
ETB_RAM_READ_DATA_REG);
- if (lost && *barrier) {
+ if (lost && i < CORESIGHT_BARRIER_PKT_SIZE) {
read_data = *barrier;
barrier++;
}