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authorImre Kaloz <kaloz@openwrt.org>2008-06-02 08:22:56 +0000
committerImre Kaloz <kaloz@openwrt.org>2008-06-02 08:22:56 +0000
commit7cce2d8fc39a7bbcdcf8755ad331409b0a103103 (patch)
treec5089f65708dd1656748c8079574e68096d53242 /target/linux/generic-2.6/patches-2.6.26/007-samsung_flash.patch
parent40720b6d2027e49c59718c3650c93bc6771a38b3 (diff)
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add generic 2.6.26 patches/files
SVN-Revision: 11323
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.26/007-samsung_flash.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.26/007-samsung_flash.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.26/007-samsung_flash.patch b/target/linux/generic-2.6/patches-2.6.26/007-samsung_flash.patch
new file mode 100644
index 0000000000..f1279c29f8
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.26/007-samsung_flash.patch
@@ -0,0 +1,36 @@
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -51,6 +51,7 @@
+ #define SST49LF040B 0x0050
+ #define SST49LF008A 0x005a
+ #define AT49BV6416 0x00d6
++#define MANUFACTURER_SAMSUNG 0x00ec
+
+ static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
+ static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
+@@ -298,12 +299,19 @@
+
+ if (extp->MajorVersion != '1' ||
+ (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
+- printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
+- "version %c.%c.\n", extp->MajorVersion,
+- extp->MinorVersion);
+- kfree(extp);
+- kfree(mtd);
+- return NULL;
++ if (cfi->mfr == MANUFACTURER_SAMSUNG &&
++ (extp->MajorVersion == '3' && extp->MinorVersion == '3')) {
++ printk(KERN_NOTICE " Newer Samsung flash detected, "
++ "should be compatibile with Amd/Fujitsu.\n");
++ }
++ else {
++ printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
++ "version %c.%c.\n", extp->MajorVersion,
++ extp->MinorVersion);
++ kfree(extp);
++ kfree(mtd);
++ return NULL;
++ }
+ }
+
+ /* Install our own private info structure */