---

yaml
---
r: 142295
b: refs/heads/master
c: 52ff49d
h: refs/heads/master
i:
  142293: c53dccf
  142291: 10ff264
  142287: 9c527b9
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c6d59cdd412e1ae34ad9c8dc69eaabada792f7ae
+refs/heads/master: 52ff49df7fab18e56fa31b43143c4150c2547836

trunk/drivers/mtd/nand/nand_base.c

@@ -748,6 +748,8 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
  * @mtd:	mtd info structure
  * @chip:	nand chip info structure
  * @buf:	buffer to store read data
+ *
+ * Not for syndrome calculating ecc controllers, which use a special oob layout
  */
 static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 			      uint8_t *buf)
@@ -757,6 +759,47 @@ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 	return 0;
 }
 
+/**
+ * nand_read_page_raw_syndrome - [Intern] read raw page data without ecc
+ * @mtd:	mtd info structure
+ * @chip:	nand chip info structure
+ * @buf:	buffer to store read data
+ *
+ * We need a special oob layout and handling even when OOB isn't used.
+ */
+static int nand_read_page_raw_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
+			      uint8_t *buf)
+{
+	int eccsize = chip->ecc.size;
+	int eccbytes = chip->ecc.bytes;
+	uint8_t *oob = chip->oob_poi;
+	int steps, size;
+
+	for (steps = chip->ecc.steps; steps > 0; steps--) {
+		chip->read_buf(mtd, buf, eccsize);
+		buf += eccsize;
+
+		if (chip->ecc.prepad) {
+			chip->read_buf(mtd, oob, chip->ecc.prepad);
+			oob += chip->ecc.prepad;
+		}
+
+		chip->read_buf(mtd, oob, eccbytes);
+		oob += eccbytes;
+
+		if (chip->ecc.postpad) {
+			chip->read_buf(mtd, oob, chip->ecc.postpad);
+			oob += chip->ecc.postpad;
+		}
+	}
+
+	size = mtd->oobsize - (oob - chip->oob_poi);
+	if (size)
+		chip->read_buf(mtd, oob, size);
+
+	return 0;
+}
+
 /**
  * nand_read_page_swecc - [REPLACABLE] software ecc based page read function
  * @mtd:	mtd info structure
@@ -1482,6 +1525,8 @@ static int nand_read_oob(struct mtd_info *mtd, loff_t from,
  * @mtd:	mtd info structure
  * @chip:	nand chip info structure
  * @buf:	data buffer
+ *
+ * Not for syndrome calculating ecc controllers, which use a special oob layout
  */
 static void nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 				const uint8_t *buf)
@@ -1490,6 +1535,44 @@ static void nand_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
 	chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
 }
 
+/**
+ * nand_write_page_raw_syndrome - [Intern] raw page write function
+ * @mtd:	mtd info structure
+ * @chip:	nand chip info structure
+ * @buf:	data buffer
+ *
+ * We need a special oob layout and handling even when ECC isn't checked.
+ */
+static void nand_write_page_raw_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
+				const uint8_t *buf)
+{
+	int eccsize = chip->ecc.size;
+	int eccbytes = chip->ecc.bytes;
+	uint8_t *oob = chip->oob_poi;
+	int steps, size;
+
+	for (steps = chip->ecc.steps; steps > 0; steps--) {
+		chip->write_buf(mtd, buf, eccsize);
+		buf += eccsize;
+
+		if (chip->ecc.prepad) {
+			chip->write_buf(mtd, oob, chip->ecc.prepad);
+			oob += chip->ecc.prepad;
+		}
+
+		chip->read_buf(mtd, oob, eccbytes);
+		oob += eccbytes;
+
+		if (chip->ecc.postpad) {
+			chip->write_buf(mtd, oob, chip->ecc.postpad);
+			oob += chip->ecc.postpad;
+		}
+	}
+
+	size = mtd->oobsize - (oob - chip->oob_poi);
+	if (size)
+		chip->write_buf(mtd, oob, size);
+}
 /**
  * nand_write_page_swecc - [REPLACABLE] software ecc based page write function
  * @mtd:	mtd info structure
@@ -2569,10 +2652,6 @@ int nand_scan_tail(struct mtd_info *mtd)
 	 * check ECC mode, default to software if 3byte/512byte hardware ECC is
 	 * selected and we have 256 byte pagesize fallback to software ECC
 	 */
-	if (!chip->ecc.read_page_raw)
-		chip->ecc.read_page_raw = nand_read_page_raw;
-	if (!chip->ecc.write_page_raw)
-		chip->ecc.write_page_raw = nand_write_page_raw;
 
 	switch (chip->ecc.mode) {
 	case NAND_ECC_HW:
@@ -2581,6 +2660,10 @@ int nand_scan_tail(struct mtd_info *mtd)
 			chip->ecc.read_page = nand_read_page_hwecc;
 		if (!chip->ecc.write_page)
 			chip->ecc.write_page = nand_write_page_hwecc;
+		if (!chip->ecc.read_page_raw)
+			chip->ecc.read_page_raw = nand_read_page_raw;
+		if (!chip->ecc.write_page_raw)
+			chip->ecc.write_page_raw = nand_write_page_raw;
 		if (!chip->ecc.read_oob)
 			chip->ecc.read_oob = nand_read_oob_std;
 		if (!chip->ecc.write_oob)
@@ -2602,6 +2685,10 @@ int nand_scan_tail(struct mtd_info *mtd)
 			chip->ecc.read_page = nand_read_page_syndrome;
 		if (!chip->ecc.write_page)
 			chip->ecc.write_page = nand_write_page_syndrome;
+		if (!chip->ecc.read_page_raw)
+			chip->ecc.read_page_raw = nand_read_page_raw_syndrome;
+		if (!chip->ecc.write_page_raw)
+			chip->ecc.write_page_raw = nand_write_page_raw_syndrome;
 		if (!chip->ecc.read_oob)
 			chip->ecc.read_oob = nand_read_oob_syndrome;
 		if (!chip->ecc.write_oob)
@@ -2620,6 +2707,8 @@ int nand_scan_tail(struct mtd_info *mtd)
 		chip->ecc.read_page = nand_read_page_swecc;
 		chip->ecc.read_subpage = nand_read_subpage;
 		chip->ecc.write_page = nand_write_page_swecc;
+		chip->ecc.read_page_raw = nand_read_page_raw;
+		chip->ecc.write_page_raw = nand_write_page_raw;
 		chip->ecc.read_oob = nand_read_oob_std;
 		chip->ecc.write_oob = nand_write_oob_std;
 		chip->ecc.size = 256;
@@ -2632,6 +2721,8 @@ int nand_scan_tail(struct mtd_info *mtd)
 		chip->ecc.read_page = nand_read_page_raw;
 		chip->ecc.write_page = nand_write_page_raw;
 		chip->ecc.read_oob = nand_read_oob_std;
+		chip->ecc.read_page_raw = nand_read_page_raw;
+		chip->ecc.write_page_raw = nand_write_page_raw;
 		chip->ecc.write_oob = nand_write_oob_std;
 		chip->ecc.size = mtd->writesize;
 		chip->ecc.bytes = 0;