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path: root/target/linux/generic-2.6/patches-2.6.32/089-mtd-samsung-flash.patch
blob: 46923358b31c0ac8f195c9dcbca795c92000225a (plain)
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--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -327,9 +327,32 @@ static void cfi_fixup_major_minor(struct
 {
 	// manufacturers defined in include/linux/mtd/cfi.h
 
-	if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e &&
-	    extp->MajorVersion == '0')
+	if (cfi->mfr == CFI_MFR_SAMSUNG &&
+	    extp->MajorVersion == '0') {
+		printk("  Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
+		       extp->MajorVersion, extp->MinorVersion);
+
 		extp->MajorVersion = '1';
+		extp->MinorVersion = '0';
+
+		printk(" to %c.%c.\n",
+		       extp->MajorVersion, extp->MinorVersion);
+	}
+
+	if (cfi->mfr == CFI_MFR_SAMSUNG &&
+	    extp->MajorVersion == '3' && extp->MinorVersion == '3') {
+		printk(KERN_NOTICE "  Newer Samsung flash detected, "
+		       "should be compatibile with Amd/Fujitsu.\n");
+
+		printk("  Fixed Samsung's Amd/Fujitsu Extended Query version from %c.%c",
+		       extp->MajorVersion, extp->MinorVersion);
+
+		extp->MajorVersion = '1';	// set to 1.3 (last defined version)
+		extp->MinorVersion = '3';
+
+		printk(" to %c.%c.\n",
+		       extp->MajorVersion, extp->MinorVersion);
+	}
 }
 
 struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)