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

   1 --- linux.old/drivers/mtd/chips/cfi_cmdset_0002.c       2006-10-23 21:14:11.618024794 +0200
   2 +++ linux.dev/drivers/mtd/chips/cfi_cmdset_0002.c       2006-10-24 07:47:52.267007586 +0200
   3 @@ -49,6 +49,7 @@
   4  #define MANUFACTURER_SST       0x00BF
   5  #define SST49LF004B            0x0060
   6  #define SST49LF008A            0x005a
   7 +#define MANUFACTURER_SAMSUNG   0x00ec
   8
   9  static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
  10  static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
  11 @@ -254,13 +255,20 @@
  12                 }
  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 +                   (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
  23 +                       if (cfi->mfr == MANUFACTURER_SAMSUNG &&
  24 +                           (extp->MajorVersion == '3' && extp->MinorVersion == '3')) {
  25 +                           printk(KERN_NOTICE "  Newer Samsung flash detected, "
  26 +                                  "should be compatibile with Amd/Fujitsu.\n");
  27 +                       }
  28 +                       else {
  29 +                           printk(KERN_ERR "  Unknown Amd/Fujitsu Extended Query "
  30 +                                  "version %c.%c.\n",  extp->MajorVersion,
  31 +                                  extp->MinorVersion);
  32 +                           kfree(extp);
  33 +                           kfree(mtd);
  34 +                           return NULL;
  35 +                       }
  36                 }
  37
  38                 /* Install our own private info structure */