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openwrt-xburst/target/linux/generic/patches-2.6.37/473-mtd_samsung_flash.patch
florian 8f5d6564e0 [kernel] refresh 2.6.37 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26955 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-05-20 10:06:11 +00:00

42 lines
1.3 KiB
Diff

--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -392,9 +392,35 @@ static struct cfi_fixup fixup_table[] =
static void cfi_fixup_major_minor(struct cfi_private *cfi,
struct cfi_pri_amdstd *extp)
{
- if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e &&
- extp->MajorVersion == '0')
- extp->MajorVersion = '1';
+ /* Manufacturers are defined in include/linux/mtd/cfi.h */
+
+ 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 compatible 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
+ extp->MinorVersion = '3';
+
+ printk(" to %c.%c.\n",
+ extp->MajorVersion, extp->MinorVersion);
+ }
+
/*
* SST 38VF640x chips report major=0xFF / minor=0xFF.
*/