target/linux/generic/patches-2.6.37/089-mtd-samsung-flash.patch

   1 --- a/drivers/mtd/chips/cfi_cmdset_0002.c
   2 +++ b/drivers/mtd/chips/cfi_cmdset_0002.c
   3 @@ -394,15 +394,31 @@ static void cfi_fixup_major_minor(struct
   4  {
   5         // manufacturers defined in include/linux/mtd/cfi.h
   6
   7 -       if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e &&
   8 -           extp->MajorVersion == '0')
   9 -               extp->MajorVersion = '1';
  10 -       /*
  11 -        * SST 38VF640x chips report major=0xFF / minor=0xFF.
  12 -        */
  13 -       if (cfi->mfr == CFI_MFR_SST && (cfi->id >> 4) == 0x0536) {
  14 -               extp->MajorVersion = '1';
  15 -               extp->MinorVersion = '0';
  16 +       if (cfi->mfr == CFI_MFR_SAMSUNG &&
  17 +               extp->MajorVersion == '0') {
  18 +                       printk("  Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
  19 +                               extp->MajorVersion, extp->MinorVersion);
  20 +
  21 +                       extp->MajorVersion = '1';
  22 +                       extp->MinorVersion = '0';
  23 +
  24 +                       printk(" to %c.%c.\n",
  25 +                               extp->MajorVersion, extp->MinorVersion);
  26 +       }
  27 +
  28 +       if (cfi->mfr == CFI_MFR_SAMSUNG &&
  29 +               extp->MajorVersion == '3' && extp->MinorVersion == '3') {
  30 +                       printk(KERN_NOTICE "  Newer Samsung flash detected, "
  31 +                               "should be compatibile with Amd/Fujitsu.\n");
  32 +
  33 +                       printk("  Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
  34 +                               extp->MajorVersion, extp->MinorVersion);
  35 +
  36 +                       extp->MajorVersion = '1';       // set to 1.3 (last defined version)
  37 +                       extp->MinorVersion = '3';
  38 +
  39 +                       printk(" to %c.%c.\n",
  40 +                               extp->MajorVersion, extp->MinorVersion);
  41         }
  42  }
  43