From 6e2a58ac3bdec3315fd9934cf46746143243594f Mon Sep 17 00:00:00 2001 From: Mirko Vogt Date: Sat, 22 Aug 2009 12:46:12 +0000 Subject: add generic patchset levelled up to 2.6.31-rc6 SVN-Revision: 17351 --- .../patches-2.6.31/007-samsung_flash.patch | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 target/linux/generic-2.6/patches-2.6.31/007-samsung_flash.patch (limited to 'target/linux/generic-2.6/patches-2.6.31/007-samsung_flash.patch') diff --git a/target/linux/generic-2.6/patches-2.6.31/007-samsung_flash.patch b/target/linux/generic-2.6/patches-2.6.31/007-samsung_flash.patch new file mode 100644 index 0000000000..5c835081b8 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.31/007-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 *); +@@ -386,12 +387,19 @@ 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 */ -- cgit v1.2.3