diff options
Diffstat (limited to 'drivers/video/tegra/dc/dc_priv.h')
| -rw-r--r-- | drivers/video/tegra/dc/dc_priv.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/video/tegra/dc/dc_priv.h b/drivers/video/tegra/dc/dc_priv.h index a10e648debc9..a91c42a5edc4 100644 --- a/drivers/video/tegra/dc/dc_priv.h +++ b/drivers/video/tegra/dc/dc_priv.h @@ -155,14 +155,19 @@ static inline void tegra_dc_io_end(struct tegra_dc *dc) static inline unsigned long tegra_dc_readl(struct tegra_dc *dc, unsigned long reg) { + unsigned long ret; + BUG_ON(!nvhost_module_powered(nvhost_get_host(dc->ndev)->dev)); - return readl(dc->base + reg * 4); + ret = readl(dc->base + reg * 4); + trace_printk("readl %p=%#08lx\n", dc->base + reg * 4, ret); + return ret; } static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long val, unsigned long reg) { BUG_ON(!nvhost_module_powered(nvhost_get_host(dc->ndev)->dev)); + trace_printk("writel %p=%#08lx\n", dc->base + reg * 4, val); writel(val, dc->base + reg * 4); } |