diff options
| author | Jon Mayo <jmayo@nvidia.com> | 2012-02-14 13:12:04 -0800 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2012-04-25 18:12:21 +0530 |
| commit | 3a78705adb34921761092fcc102738a7e650b8eb (patch) | |
| tree | da5e867ed0fdefd1eadf43e4beca8a4b0e2fe590 /drivers/video/tegra/dc/hdmi.c | |
| parent | 5800da66186be818228b4bc2911260e5db793662 (diff) | |
video: tegra: dc: add tracing information
add trace_printk to log useful debug information.
Bug 870685
Change-Id: I29c0b1600f234ebb06d19c8b6c713b16f6e7643c
Signed-off-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-on: http://git-master/r/89204
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Prashant Malani <pmalani@nvidia.com>
Diffstat (limited to 'drivers/video/tegra/dc/hdmi.c')
| -rw-r--r-- | drivers/video/tegra/dc/hdmi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/video/tegra/dc/hdmi.c b/drivers/video/tegra/dc/hdmi.c index 208b58d013fc..2530624ae92d 100644 --- a/drivers/video/tegra/dc/hdmi.c +++ b/drivers/video/tegra/dc/hdmi.c @@ -948,12 +948,16 @@ static const struct tegra_hdmi_audio_config unsigned long tegra_hdmi_readl(struct tegra_dc_hdmi_data *hdmi, unsigned long reg) { - return readl(hdmi->base + reg * 4); + unsigned long ret; + ret = readl(hdmi->base + reg * 4); + trace_printk("readl %p=%#08lx\n", hdmi->base + reg * 4, ret); + return ret; } void tegra_hdmi_writel(struct tegra_dc_hdmi_data *hdmi, unsigned long val, unsigned long reg) { + trace_printk("writel %p=%#08lx\n", hdmi->base + reg * 4, val); writel(val, hdmi->base + reg * 4); } |