video: fbdev: use %*ph specifier to dump small buffers

Instead of dereference each byte let's use %*ph specifier in the printk()
calls.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

2 files changed, 4 insertions, 15 deletions

diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index 53444ac19fe0..60c3f0a16341 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -485,16 +485,8 @@ static ssize_t show_bl_curve(struct device *device,
 
         mutex_lock(&fb_info->bl_curve_mutex);
         for (i = 0; i < FB_BACKLIGHT_LEVELS; i += 8)
-                len += snprintf(&buf[len], PAGE_SIZE,
-                                "%02x %02x %02x %02x %02x %02x %02x %02x\n",
-                                fb_info->bl_curve[i + 0],
-                                fb_info->bl_curve[i + 1],
-                                fb_info->bl_curve[i + 2],
-                                fb_info->bl_curve[i + 3],
-                                fb_info->bl_curve[i + 4],
-                                fb_info->bl_curve[i + 5],
-                                fb_info->bl_curve[i + 6],
-                                fb_info->bl_curve[i + 7]);
+                len += snprintf(&buf[len], PAGE_SIZE, "%8ph\n",
+                                fb_info->bl_curve + i);
         mutex_unlock(&fb_info->bl_curve_mutex);
 
         return len;
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 77b890e4d296..046d51d83d74 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1528,11 +1528,8 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
         }
 
         if (total_len > 5) {
-                pr_info("vendor descriptor length:%x data:%02x %02x %02x %02x" \
-                        "%02x %02x %02x %02x %02x %02x %02x\n",
-                        total_len, desc[0],
-                        desc[1], desc[2], desc[3], desc[4], desc[5], desc[6],
-                        desc[7], desc[8], desc[9], desc[10]);
+                pr_info("vendor descriptor length:%x data:%11ph\n", total_len,
+                        desc);
 
                 if ((desc[0] != total_len) || /* descriptor length */
                     (desc[1] != 0x5f) ||   /* vendor descriptor type */