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yaml --- r: 231714 b: refs/heads/master c: 0e4ca7e h: refs/heads/master v: v3
git-mirror · Jan 6, 2011 · f852f3c · f852f3c
1 parent 37e0cb7
commit f852f3c
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9ac4e613a88d7f6a7a9651d863e9c8f63b582718
+refs/heads/master: 0e4ca7e5101e7f4054452b8d71c535eec64a187b
diff --git a/trunk/include/linux/mtd/mtd.h b/trunk/include/linux/mtd/mtd.h
@@ -144,6 +144,17 @@ struct mtd_info {
 	 */
 	uint32_t writesize;
 
+	/*
+	 * Size of the write buffer used by the MTD. MTD devices having a write
+	 * buffer can write multiple writesize chunks at a time. E.g. while
+	 * writing 4 * writesize bytes to a device with 2 * writesize bytes
+	 * buffer the MTD driver can (but doesn't have to) do 2 writesize
+	 * operations, but not 4. Currently, all NANDs have writebufsize
+	 * equivalent to writesize (NAND page size). Some NOR flashes do have
+	 * writebufsize greater than writesize.
+	 */
+	uint32_t writebufsize;
+
 	uint32_t oobsize;   // Amount of OOB data per block (e.g. 16)
 	uint32_t oobavail;  // Available OOB bytes per block