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authorhcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-28 10:00:48 +0000
committerhcg <hcg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-28 10:00:48 +0000
commitc5a9834bb42c45e2bd0873fa409cb8e7ea7badf2 (patch)
tree6527b3196b8418cb3359748a798c79644d18faf8 /target/linux/generic-2.6/patches-2.6.29/007-samsung_flash.patch
parentc57c9b688ba29ea6ef6cb05a25a245c002d53949 (diff)
[kernel] revert 15922 - add back 2.6.29 kernel support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16127 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.29/007-samsung_flash.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.29/007-samsung_flash.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.29/007-samsung_flash.patch b/target/linux/generic-2.6/patches-2.6.29/007-samsung_flash.patch
new file mode 100644
index 0000000000..1faeb41eaa
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.29/007-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 *);
+@@ -375,12 +376,19 @@ struct mtd_info *cfi_cmdset_0002(struct
+
+ 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 */