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 @@ -394,9 +394,33 @@ 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 +       if (cfi->mfr == CFI_MFR_SAMSUNG &&
  11 +               extp->MajorVersion == '0') {
  12 +                       printk("  Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
  13 +                               extp->MajorVersion, extp->MinorVersion);
  14 +
  15 +                       extp->MajorVersion = '1';
  16 +                       extp->MinorVersion = '0';
  17 +
  18 +                       printk(" to %c.%c.\n",
  19 +                               extp->MajorVersion, extp->MinorVersion);
  20 +       }
  21 +
  22 +       if (cfi->mfr == CFI_MFR_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 +                       printk("  Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
  28 +                               extp->MajorVersion, extp->MinorVersion);
  29 +
  30 +                       extp->MajorVersion = '1';       // set to 1.3 (last defined version)
  31 +                       extp->MinorVersion = '3';
  32 +
  33 +                       printk(" to %c.%c.\n",
  34 +                               extp->MajorVersion, extp->MinorVersion);
  35 +       }
  36 +
  37         /*
  38          * SST 38VF640x chips report major=0xFF / minor=0xFF.
  39          */