--- /dev/null
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -441,6 +441,10 @@
+ { "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, },
+ { "at26df321", 0x1f4701, 64 * 1024, 64, SECT_4K, },
+
++ /* PMC -- pm25x "blocks" are 32K, sectors are 4K */
++ { "pm25lv512", 0, 32 * 1024, 2, SECT_4K },
++ { "pm25lv010", 0, 32 * 1024, 4, SECT_4K },
++
+ /* Spansion -- single (large) sector size only, at least
+ * for the chips listed here (without boot sectors).
+ */