Register offsets are usually fairly small numbers, so an unsigned int is
more than enough to represent them.
Signed-off-by: Thierry Reding <treding@nvidia.com>
 };
 
 static inline u32 tegra_hdmi_readl(struct tegra_hdmi *hdmi,
-                                  unsigned long offset)
+                                  unsigned int offset)
 {
        return readl(hdmi->regs + (offset << 2));
 }
 
 static inline void tegra_hdmi_writel(struct tegra_hdmi *hdmi, u32 value,
-                                    unsigned long offset)
+                                    unsigned int offset)
 {
        writel(value, hdmi->regs + (offset << 2));
 }