leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

coresight: etb10: Remove useless conversion to LE

Browse Source 
Internal CoreSight components are rendering trace data in little-endian
format.  As such there is no need to convert the data once more, hence
removing the extra step.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathieu Poirier 2017-08-02 10:21:56 -06:00 committed by Greg Kroah-Hartman
parent cfd9f6306f
commit 4f871a9f0f
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/hwtracing/coresight/coresight-etb10.c
View File

@ -233,10 +233,8 @@ static void etb_dump_hw(struct etb_drvdata *drvdata)
for (i = 0; i < depth; i++) {
read_data = readl_relaxed(drvdata->base +
ETB_RAM_READ_DATA_REG);
*buf_ptr++ = read_data >> 0;
*buf_ptr++ = read_data >> 8;
*buf_ptr++ = read_data >> 16;
*buf_ptr++ = read_data >> 24;
*(u32 *)buf_ptr = read_data;
buf_ptr += 4;
}
if (frame_off) {
@ -444,10 +442,8 @@ 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);
*buf_ptr++ = read_data >> 0;
*buf_ptr++ = read_data >> 8;
*buf_ptr++ = read_data >> 16;
*buf_ptr++ = read_data >> 24;
*(u32 *)buf_ptr = read_data;
buf_ptr += 4;
offset += 4;
if (offset >= PAGE_SIZE) {