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

44 lines
1.3 KiB
Diff

--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -394,15 +394,31 @@ 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')
- extp->MajorVersion = '1';
- /*
- * SST 38VF640x chips report major=0xFF / minor=0xFF.
- */
- if (cfi->mfr == CFI_MFR_SST && (cfi->id >> 4) == 0x0536) {
- extp->MajorVersion = '1';
- extp->MinorVersion = '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);
}
}