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| author | Felix Fietkau <nbd@openwrt.org> | 2006-10-24 18:05:05 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2006-10-24 18:05:05 +0000 |
| commit | c37691ca2ab222706cb2190c85192f6cbace48f0 (patch) | |
| tree | 4b1628805a8e707e0468d3d76a54a915aa0924ab | |
| parent | b9afc6f302196cbb98a3a717055a8a276703ea40 (diff) | |
| download | upstream-c37691ca2ab222706cb2190c85192f6cbace48f0.tar.gz upstream-c37691ca2ab222706cb2190c85192f6cbace48f0.tar.bz2 upstream-c37691ca2ab222706cb2190c85192f6cbace48f0.zip | |
add fix for samsung flash chips
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5284 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/generic-2.6/patches/007-samsung_flash.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches/007-samsung_flash.patch b/target/linux/generic-2.6/patches/007-samsung_flash.patch new file mode 100644 index 0000000000..93e371fa92 --- /dev/null +++ b/target/linux/generic-2.6/patches/007-samsung_flash.patch @@ -0,0 +1,38 @@ +--- linux.old/drivers/mtd/chips/cfi_cmdset_0002.c 2006-10-23 21:14:11.618024794 +0200 ++++ linux.dev/drivers/mtd/chips/cfi_cmdset_0002.c 2006-10-24 07:47:52.267007586 +0200 +@@ -49,6 +49,7 @@ + #define MANUFACTURER_SST 0x00BF + #define SST49LF004B 0x0060 + #define SST49LF008A 0x005a ++#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 *); +@@ -254,13 +255,20 @@ + } + + 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; ++ (extp->MinorVersion < '0' || extp->MinorVersion > '4')) { ++ 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 */ |