Add Waldemar's patches for Linux 3.2

[yaffs2.git] / yaffs_mtdif1_single.c

diff --git a/yaffs_mtdif1_single.c b/yaffs_mtdif1_single.c
index b1317b4884f93f924f4ddc5894b7022b6b08b222..a6907bff6056cb1404f9ef3cb99d288d89668126 100644 (file)
--- a/yaffs_mtdif1_single.c
+++ b/yaffs_mtdif1_single.c
@@ -35,12 +35,6 @@
 #include "linux/types.h"
 #include "linux/mtd/mtd.h"
 
-#ifndef CONFIG_YAFFS_9BYTE_TAGS
-# define YTAG1_SIZE 8
-#else
-# define YTAG1_SIZE 9
-#endif
-
 /* Write a chunk (page) of data to NAND.
  *
  * Caller always provides ExtendedTags data which are converted to a more
@@ -86,25 +80,26 @@ int nandmtd1_write_chunk_tags(struct yaffs_dev *dev,
         * that only zeroed-bits stick and set tag bytes to all-ones and
         * zero just the (not) deleted bit.
         */
-#ifndef CONFIG_YAFFS_9BYTE_TAGS
-       if (etags->is_deleted) {
-               memset(&pt1, 0xff, 8);
-               /* clear delete status bit to indicate deleted */
-               pt1.deleted = 0;
-       }
-#else
-       ((u8 *) &pt1)[8] = 0xff;
-       if (etags->is_deleted) {
-               memset(&pt1, 0xff, 8);
-               /* zero page_status byte to indicate deleted */
-               ((u8 *) &pt1)[8] = 0;
-       }
-#endif
+        
+       if(dev->param.tags_9bytes) {
+               ((u8 *) &pt1)[8] = 0xff;
+               if (etags->is_deleted) {
+                       memset(&pt1, 0xff, 8);
+                       /* zero page_status byte to indicate deleted */
+                       ((u8 *) &pt1)[8] = 0;
+                }
+        } else {
+               if (etags->is_deleted) {
+                       memset(&pt1, 0xff, 8);
+                       /* clear delete status bit to indicate deleted */
+                       pt1.deleted = 0;
+                }
+        }
 
        memset(&ops, 0, sizeof(ops));
-       ops.mode = MTD_OOB_AUTO;
+       ops.mode = MTD_OPS_AUTO_OOB;
        ops.len = (data) ? chunk_bytes : 0;
-       ops.ooblen = YTAG1_SIZE;
+       ops.ooblen = dev->param.tags_9bytes ? 9 : 8;
        ops.datbuf = (u8 *) data;
        ops.oobbuf = (u8 *) &pt1;
 
@@ -155,9 +150,9 @@ int nandmtd1_read_chunk_tags(struct yaffs_dev *dev,
        int deleted;
 
        memset(&ops, 0, sizeof(ops));
-       ops.mode = MTD_OOB_AUTO;
+       ops.mode = MTD_OPS_AUTO_OOB;
        ops.len = (data) ? chunk_bytes : 0;
-       ops.ooblen = YTAG1_SIZE;
+       ops.ooblen =  dev->param.tags_9bytes ? 9 : 8;
        ops.datbuf = data;
        ops.oobbuf = (u8 *) &pt1;
 
@@ -231,7 +226,7 @@ int nandmtd1_read_chunk_tags(struct yaffs_dev *dev,
        /* Unpack the tags to extended form and set ECC result.
         * [set should_be_ff just to keep yaffs_unpack_tags1 happy]
         */
-       pt1.should_be_ff = 0xFFFFFFFF;
+       pt1.should_be_ff = 0xffffffff;
        yaffs_unpack_tags1(etags, &pt1);
        etags->ecc_result = eccres;
 
@@ -264,16 +259,16 @@ int nandmtd1_mark_block_bad(struct yaffs_dev *dev, int block_no)
  *
  * Returns YAFFS_OK or YAFFS_FAIL.
  */
-static int nandmtd1_test_prerequists(struct mtd_info *mtd)
+static int nandmtd1_test_prerequists(struct yaffs_dev *dev, struct mtd_info *mtd)
 {
        /* 2.6.18 has mtd->ecclayout->oobavail */
        /* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */
        int oobavail = mtd->ecclayout->oobavail;
 
-       if (oobavail < YTAG1_SIZE) {
+       if (oobavail < (dev->param.tags_9bytes ? 9 : 8)) {
                yaffs_trace(YAFFS_TRACE_ERROR,
                        "mtd device has only %d bytes for tags, need %d",
-                       oobavail, YTAG1_SIZE);
+                       oobavail, (dev->param.tags_9bytes ? 9 : 8));
                return YAFFS_FAIL;
        }
        return YAFFS_OK;
@@ -302,7 +297,7 @@ int nandmtd1_query_block(struct yaffs_dev *dev, int block_no,
        /* We don't yet have a good place to test for MTD config prerequists.
         * Do it here as we are called during the initial scan.
         */
-       if (nandmtd1_test_prerequists(mtd) != YAFFS_OK)
+       if (nandmtd1_test_prerequists(dev, mtd) != YAFFS_OK)
                return YAFFS_FAIL;
 
        retval = nandmtd1_read_chunk_tags(dev, chunk_num, NULL, &etags);