diff options
| author | Jon Mayo <jmayo@nvidia.com> | 2012-02-14 13:12:04 -0800 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-04-24 01:23:04 -0700 |
| commit | a60c525119bfbe1b4f2fa5655be0d087dfa4017b (patch) | |
| tree | b624994da19de857c81c078139e60debd5158d88 /drivers/video/tegra/dc/dsi.c | |
| parent | c458d6187bc932347e69360e548df3a695f9a9d2 (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/dsi.c')
| -rw-r--r-- | drivers/video/tegra/dc/dsi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/video/tegra/dc/dsi.c b/drivers/video/tegra/dc/dsi.c index c33d6e0a58b3..52639696ba85 100644 --- a/drivers/video/tegra/dc/dsi.c +++ b/drivers/video/tegra/dc/dsi.c @@ -287,14 +287,19 @@ const u32 init_reg[] = { inline unsigned long tegra_dsi_readl(struct tegra_dc_dsi_data *dsi, u32 reg) { + unsigned long ret; + BUG_ON(!nvhost_module_powered(nvhost_get_host(dsi->dc->ndev)->dev)); - return readl(dsi->base + reg * 4); + ret = readl(dsi->base + reg * 4); + trace_printk("readl %p=%#08lx\n", dsi->base + reg * 4, ret); + return ret; } EXPORT_SYMBOL(tegra_dsi_readl); inline void tegra_dsi_writel(struct tegra_dc_dsi_data *dsi, u32 val, u32 reg) { BUG_ON(!nvhost_module_powered(nvhost_get_host(dsi->dc->ndev)->dev)); + trace_printk("writel %p=%#08x\n", dsi->base + reg * 4, val); writel(val, dsi->base + reg * 4); } EXPORT_SYMBOL(tegra_dsi_writel); |