diff options
| author |   Mathieu Poirier <mathieu.poirier@linaro.org> | 2017-08-02 10:21:56 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 16:05:47 +0200 |
| commit | 4f871a9f0f6fbb8ab023cca1f0099bf152a5d618 (patch) | |
| tree | 122e097cf0df7d115932ade3fd70064b351827a4 /drivers/hwtracing | |
| parent | coresight: Correct buffer lost increment (diff) | |
| download | linux-dev-4f871a9f0f6fbb8ab023cca1f0099bf152a5d618.tar.xz linux-dev-4f871a9f0f6fbb8ab023cca1f0099bf152a5d618.zip | |
coresight: etb10: Remove useless conversion to LE
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>
Diffstat (limited to 'drivers/hwtracing')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etb10.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c index d9c233135d6d..50f4846e6271 100644 --- a/drivers/hwtracing/coresight/coresight-etb10.c +++ b/drivers/hwtracing/coresight/coresight-etb10.c @@ -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) { |