target/linux/generic-2.6/patches/007-samsung_flash.patch

   1 diff -urN linux-2.6.21.1.old/drivers/mtd/chips/cfi_cmdset_0002.c linux-2.6.21.1.dev/drivers/mtd/chips/cfi_cmdset_0002.c
   2 --- linux-2.6.21.1.old/drivers/mtd/chips/cfi_cmdset_0002.c      2007-04-27 23:49:26.000000000 +0200
   3 +++ linux-2.6.21.1.dev/drivers/mtd/chips/cfi_cmdset_0002.c      2007-05-26 19:30:01.049193968 +0200
   4 @@ -51,6 +51,7 @@
   5  #define SST49LF040B            0x0050
   6  #define SST49LF008A            0x005a
   7  #define AT49BV6416             0x00d6
   8 +#define MANUFACTURER_SAMSUNG   0x00ec
   9
  10  static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
  11  static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
  12 @@ -294,12 +295,19 @@
  13
  14                 if (extp->MajorVersion != '1' ||
  15                     (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
  16 -                       printk(KERN_ERR "  Unknown Amd/Fujitsu Extended Query "
  17 -                              "version %c.%c.\n",  extp->MajorVersion,
  18 -                              extp->MinorVersion);
  19 -                       kfree(extp);
  20 -                       kfree(mtd);
  21 -                       return NULL;
  22 +                       if (cfi->mfr == MANUFACTURER_SAMSUNG &&
  23 +                           (extp->MajorVersion == '3' && extp->MinorVersion == '3')) {
  24 +                           printk(KERN_NOTICE "  Newer Samsung flash detected, "
  25 +                                  "should be compatibile with Amd/Fujitsu.\n");
  26 +                       }
  27 +                       else {
  28 +                           printk(KERN_ERR "  Unknown Amd/Fujitsu Extended Query "
  29 +                                  "version %c.%c.\n",  extp->MajorVersion,
  30 +                                  extp->MinorVersion);
  31 +                           kfree(extp);
  32 +                           kfree(mtd);
  33 +                           return NULL;
  34 +                       }
  35                 }
  36
  37                 /* Install our own private info structure */