1 files changed, 22 insertions, 4 deletions

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index c240454fd113..8664feebc93b 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -46,6 +46,7 @@
 #define MANUFACTURER_INTEL      0x0089
 #define I82802AB        0x00ad
 #define I82802AC        0x00ac
+#define PF38F4476       0x881c
 #define MANUFACTURER_ST         0x0020
 #define M50LPW080       0x002F
 #define M50FLW080A      0x0080
@@ -315,10 +316,20 @@ static struct cfi_fixup fixup_table[] = {
         { 0, 0, NULL, NULL }
 };
 
+static void cfi_fixup_major_minor(struct cfi_private *cfi,
+                                                struct cfi_pri_intelext *extp)
+{
+        if (cfi->mfr == MANUFACTURER_INTEL &&
+                        cfi->id == PF38F4476 && extp->MinorVersion == '3')
+                extp->MinorVersion = '1';
+}
+
 static inline struct cfi_pri_intelext *
 read_pri_intelext(struct map_info *map, __u16 adr)
 {
+        struct cfi_private *cfi = map->fldrv_priv;
         struct cfi_pri_intelext *extp;
+        unsigned int extra_size = 0;
         unsigned int extp_size = sizeof(*extp);
 
  again:
@@ -326,6 +337,8 @@ read_pri_intelext(struct map_info *map, __u16 adr)
         if (!extp)
                 return NULL;
 
+        cfi_fixup_major_minor(cfi, extp);
+
         if (extp->MajorVersion != '1' ||
             (extp->MinorVersion < '0' || extp->MinorVersion > '5')) {
                 printk(KERN_ERR "  Unknown Intel/Sharp Extended Query "
@@ -340,19 +353,24 @@ read_pri_intelext(struct map_info *map, __u16 adr)
         extp->BlkStatusRegMask = le16_to_cpu(extp->BlkStatusRegMask);
         extp->ProtRegAddr = le16_to_cpu(extp->ProtRegAddr);
 
-        if (extp->MajorVersion == '1' && extp->MinorVersion >= '3') {
-                unsigned int extra_size = 0;
-                int nb_parts, i;
+        if (extp->MinorVersion >= '0') {
+                extra_size = 0;
 
                 /* Protection Register info */
                 extra_size += (extp->NumProtectionFields - 1) *
                               sizeof(struct cfi_intelext_otpinfo);
+        }
 
+        if (extp->MinorVersion >= '1') {
                 /* Burst Read info */
                 extra_size += 2;
                 if (extp_size < sizeof(*extp) + extra_size)
                         goto need_more;
-                extra_size += extp->extra[extra_size-1];
+                extra_size += extp->extra[extra_size - 1];
+        }
+
+        if (extp->MinorVersion >= '3') {
+                int nb_parts, i;
 
                 /* Number of hardware-partitions */
                 extra_size += 1;