fbdev: drop custom atoi from drivers/video/modedb.c

Kernel has simple_strtol() implementation which could be used as atoi().

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 34e4e79..0129f1b 100644 (file)
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -13,6 +13,7 @@
 
 #include <linux/module.h>
 #include <linux/fb.h>
+#include <linux/kernel.h>
 
 #undef DEBUG
 
@@ -402,21 +403,6 @@ const struct fb_videomode vesa_modes[] = {
 EXPORT_SYMBOL(vesa_modes);
 #endif /* CONFIG_FB_MODE_HELPERS */
 
-static int my_atoi(const char *name)
-{
-    int val = 0;
-
-    for (;; name++) {
-       switch (*name) {
-           case '0' ... '9':
-               val = 10*val+(*name-'0');
-               break;
-           default:
-               return val;
-       }
-    }
-}
-
 /**
  *     fb_try_mode - test a video mode
  *     @var: frame buffer user defined part of display
@@ -539,7 +525,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
                    namelen = i;
                    if (!refresh_specified && !bpp_specified &&
                        !yres_specified) {
-                       refresh = my_atoi(&name[i+1]);
+                       refresh = simple_strtol(&name[i+1], NULL, 10);
                        refresh_specified = 1;
                        if (cvt || rb)
                            cvt = 0;
@@ -549,7 +535,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
                case '-':
                    namelen = i;
                    if (!bpp_specified && !yres_specified) {
-                       bpp = my_atoi(&name[i+1]);
+                       bpp = simple_strtol(&name[i+1], NULL, 10);
                        bpp_specified = 1;
                        if (cvt || rb)
                            cvt = 0;
@@ -558,7 +544,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
                    break;
                case 'x':
                    if (!yres_specified) {
-                       yres = my_atoi(&name[i+1]);
+                       yres = simple_strtol(&name[i+1], NULL, 10);
                        yres_specified = 1;
                    } else
                        goto done;
@@ -586,7 +572,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
            }
        }
        if (i < 0 && yres_specified) {
-           xres = my_atoi(name);
+           xres = simple_strtol(name, NULL, 10);
            res_specified = 1;
        }
 done: