[PATCH v1 2/5] media: staging: tegra-vde: Silence some of checkpatch warnings

From: Dmitry Osipenko
Date: Sat Mar 17 2018 - 11:29:21 EST


Make all strings single line to make them grep'able and add a comment
to the memory barrier.

Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/staging/media/tegra-vde/tegra-vde.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/media/tegra-vde/tegra-vde.c b/drivers/staging/media/tegra-vde/tegra-vde.c
index c2ff2071b23c..14899c887d58 100644
--- a/drivers/staging/media/tegra-vde/tegra-vde.c
+++ b/drivers/staging/media/tegra-vde/tegra-vde.c
@@ -368,6 +368,11 @@ static int tegra_vde_setup_hw_context(struct tegra_vde *vde,
tegra_vde_setup_iram_tables(vde, dpb_frames,
ctx->dpb_frames_nb - 1,
ctx->dpb_ref_frames_with_earlier_poc_nb);
+
+ /*
+ * The IRAM mapping is write-combine, ensure that CPU buffers have
+ * been flushed at this point.
+ */
wmb();

VDE_WR(0x00000000, vde->bsev + 0x8C);
@@ -542,15 +547,13 @@ static int tegra_vde_attach_dmabuf(struct device *dev,
}

if (dmabuf->size & (align_size - 1)) {
- dev_err(dev, "Unaligned dmabuf 0x%zX, "
- "should be aligned to 0x%zX\n",
+ dev_err(dev, "Unaligned dmabuf 0x%zX, should be aligned to 0x%zX\n",
dmabuf->size, align_size);
return -EINVAL;
}

if ((u64)offset + min_size > dmabuf->size) {
- dev_err(dev, "Too small dmabuf size %zu @0x%lX, "
- "should be at least %zu\n",
+ dev_err(dev, "Too small dmabuf size %zu @0x%lX, should be at least %zu\n",
dmabuf->size, offset, min_size);
return -EINVAL;
}
@@ -863,8 +866,7 @@ static int tegra_vde_ioctl_decode_h264(struct tegra_vde *vde,
macroblocks_nb = readl_relaxed(vde->sxe + 0xC8) & 0x1FFF;
read_bytes = bsev_ptr ? bsev_ptr - bitstream_data_addr : 0;

- dev_err(dev, "Decoding failed: "
- "read 0x%X bytes, %u macroblocks parsed\n",
+ dev_err(dev, "Decoding failed: read 0x%X bytes, %u macroblocks parsed\n",
read_bytes, macroblocks_nb);

ret = -EIO;
--
2.16.1