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path: root/target/linux/generic/patches-2.6.37/089-mtd-samsung-flash.patch
blob: 9b38ee4ce63af50a5b022b3865c5c8d15800d999 (plain)
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--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -394,9 +394,33 @@ 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);
+	}
+
 	/*
 	 * SST 38VF640x chips report major=0xFF / minor=0xFF.
 	 */