usb: throw away custom hex digit methods

Recent kernel has common method to convert hex digit to its value.

Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index ebae944..5b3f555 100644 (file)
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -67,6 +67,7 @@
 #include <linux/mutex.h>
 #include <linux/freezer.h>
 #include <linux/slab.h>
+#include <linux/kernel.h>
 
 #include <asm/unaligned.h>
 
@@ -2436,7 +2437,6 @@ UEA_ATTR(firmid, 0);
 
 /* Retrieve the device End System Identifier (MAC) */
 
-#define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10)
 static int uea_getesi(struct uea_softc *sc, u_char * esi)
 {
        unsigned char mac_str[2 * ETH_ALEN + 1];
@@ -2447,7 +2447,8 @@ static int uea_getesi(struct uea_softc *sc, u_char * esi)
                return 1;
 
        for (i = 0; i < ETH_ALEN; i++)
-               esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]);
+               esi[i] = hex_to_bin(mac_str[2 * i]) * 16 +
+                        hex_to_bin(mac_str[2 * i + 1]);
 
        return 0;
 }

diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 1da755a..6bb876d 100644 (file)
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -704,17 +704,6 @@ static char *host_addr;
 module_param(host_addr, charp, S_IRUGO);
 MODULE_PARM_DESC(host_addr, "Host Ethernet Address");
 
-
-static u8 __init nibble(unsigned char c)
-{
-       if (isdigit(c))
-               return c - '0';
-       c = toupper(c);
-       if (isxdigit(c))
-               return 10 + c - 'A';
-       return 0;
-}
-
 static int get_ether_addr(const char *str, u8 *dev_addr)
 {
        if (str) {
@@ -725,8 +714,8 @@ static int get_ether_addr(const char *str, u8 *dev_addr)
 
                        if ((*str == '.') || (*str == ':'))
                                str++;
-                       num = nibble(*str++) << 4;
-                       num |= (nibble(*str++));
+                       num = hex_to_bin(*str++) << 4;
+                       num |= hex_to_bin(*str++);
                        dev_addr [i] = num;
                }
                if (is_valid_ether_addr(dev_addr))