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-rw-r--r--include/linux/mtd/mtd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index cd0119d19cd9..63dadc0dfb62 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -157,6 +157,15 @@ struct mtd_info {
unsigned int erasesize_mask;
unsigned int writesize_mask;
+ /*
+ * read ops return -EUCLEAN if max number of bitflips corrected on any
+ * one region comprising an ecc step equals or exceeds this value.
+ * Settable by driver, else defaults to ecc_strength. User can override
+ * in sysfs. N.B. The meaning of the -EUCLEAN return code has changed;
+ * see Documentation/ABI/testing/sysfs-class-mtd for more detail.
+ */
+ unsigned int bitflip_threshold;
+
// Kernel-only stuff starts here.
const char *name;
int index;