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

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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>
This commit is contained in:
Andy Shevchenko 2014-09-05 17:47:35 +03:00 committed by Tomi Valkeinen
parent 9c8ee3c734
commit 30296f6115
2 changed files with 4 additions and 15 deletions
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12
drivers/video/fbdev/core/fbsysfs.c
View File

@ -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;

7
drivers/video/fbdev/udlfb.c
View File

@ -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 */