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openwrt-xburst/target/linux/etrax/patches/generic_2.6/007-samsung_flash.patch

38 lines
1.5 KiB
Diff

diff -urN linux-2.6.19.old/drivers/mtd/chips/cfi_cmdset_0002.c linux-2.6.19.dev/drivers/mtd/chips/cfi_cmdset_0002.c
--- linux-2.6.19.old/drivers/mtd/chips/cfi_cmdset_0002.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19.dev/drivers/mtd/chips/cfi_cmdset_0002.c 2006-12-14 03:13:30.000000000 +0100
@@ -50,6 +50,7 @@
#define SST49LF004B 0x0060
#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 *);
@@ -293,12 +294,19 @@
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 */