mtd: sm_common: split smartmedia and xD table

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=c3611570ddf601609f8803574ea83889ff969aa0
Commit:     c3611570ddf601609f8803574ea83889ff969aa0
Parent:     a47bfd2eb66837653dc3b42541dfe4283dd41251
Author:     Maxim Levitsky <maximlevitsky at gmail.com>
AuthorDate: Mon Apr 19 18:20:41 2010 +0300
Committer:  David Woodhouse <David.Woodhouse at intel.com>
CommitDate: Fri May 14 01:03:46 2010 +0100

    mtd: sm_common: split smartmedia and xD table
    
    2GB xD card, and 4MB SmartMedia ROM card share same ID, so to make both work
    split xD and smartmedia ID tables.
    
    Hardware driver must be able to know which type it handles (and probably just one).
    
    Signed-off-by: Maxim Levitsky <maximlevitsky at gmail.com>
    Signed-off-by: David Woodhouse <David.Woodhouse at intel.com>
---
 drivers/mtd/nand/r852.c      |    2 +-
 drivers/mtd/nand/sm_common.c |   37 +++++++++++++++++++++----------------
 drivers/mtd/nand/sm_common.h |    2 +-
 3 files changed, 23 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index 96bfbd8..6dfbb47 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -666,7 +666,7 @@ int r852_register_nand_device(struct r852_device *dev)
 
 	r852_engine_enable(dev);
 
-	if (sm_register_device(dev->mtd))
+	if (sm_register_device(dev->mtd, dev->sm))
 		goto error2;
 
 	if (device_create_file(&dev->mtd->dev, &dev_attr_media_type))
diff --git a/drivers/mtd/nand/sm_common.c b/drivers/mtd/nand/sm_common.c
index aae0b9a..ac80fb3 100644
--- a/drivers/mtd/nand/sm_common.c
+++ b/drivers/mtd/nand/sm_common.c
@@ -68,8 +68,6 @@ static int sm_block_markbad(struct mtd_info *mtd, loff_t ofs)
 
 
 static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
-
-	/* SmartMedia */
 	{"SmartMedia 1MiB 5V",          0x6e, 256, 1, 0x1000, 0},
 	{"SmartMedia 1MiB 3,3V",        0xe8, 256, 1, 0x1000, 0},
 	{"SmartMedia 1MiB 3,3V",        0xec, 256, 1, 0x1000, 0},
@@ -82,28 +80,34 @@ static struct nand_flash_dev nand_smartmedia_flash_ids[] = {
 	{"SmartMedia 4MiB 3,3V ROM",    0xd5, 512, 4, 0x2000, NAND_ROM},
 	{"SmartMedia 8MiB 3,3V",        0xe6, 512, 8, 0x2000, 0},
 	{"SmartMedia 8MiB 3,3V ROM",    0xd6, 512, 8, 0x2000, NAND_ROM},
-
-#define XD_TYPEM       (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
-	/* xD / SmartMedia */
-	{"SmartMedia/xD 16MiB 3,3V",    0x73, 512, 16, 0x4000, 0},
+	{"SmartMedia 16MiB 3,3V",       0x73, 512, 16, 0x4000, 0},
 	{"SmartMedia 16MiB 3,3V ROM",   0x57, 512, 16, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 32MiB 3,3V",    0x75, 512, 32, 0x4000, 0},
+	{"SmartMedia 32MiB 3,3V",       0x75, 512, 32, 0x4000, 0},
 	{"SmartMedia 32MiB 3,3V ROM",   0x58, 512, 32, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 64MiB 3,3V",    0x76, 512, 64, 0x4000, 0},
+	{"SmartMedia 64MiB 3,3V",       0x76, 512, 64, 0x4000, 0},
 	{"SmartMedia 64MiB 3,3V ROM",   0xd9, 512, 64, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 128MiB 3,3V",   0x79, 512, 128, 0x4000, 0},
+	{"SmartMedia 128MiB 3,3V",      0x79, 512, 128, 0x4000, 0},
 	{"SmartMedia 128MiB 3,3V ROM",  0xda, 512, 128, 0x4000, NAND_ROM},
-	{"SmartMedia/xD 256MiB 3,3V",   0x71, 512, 256, 0x4000, XD_TYPEM},
+	{"SmartMedia 256MiB 3,3V",      0x71, 512, 256, 0x4000 },
 	{"SmartMedia 256MiB 3,3V ROM",  0x5b, 512, 256, 0x4000, NAND_ROM},
+	{NULL,}
+};
 
-	/* xD only */
-	{"xD 512MiB 3,3V",              0xDC, 512, 512, 0x4000, XD_TYPEM},
-	{"xD 1GiB 3,3V",                0xD3, 512, 1024, 0x4000, XD_TYPEM},
-	{"xD 2GiB 3,3V",                0xD5, 512, 2048, 0x4000, XD_TYPEM},
+#define XD_TYPEM       (NAND_NO_AUTOINCR | NAND_BROKEN_XD)
+static struct nand_flash_dev nand_xd_flash_ids[] = {
+
+	{"xD 16MiB 3,3V",    0x73, 512, 16, 0x4000, 0},
+	{"xD 32MiB 3,3V",    0x75, 512, 32, 0x4000, 0},
+	{"xD 64MiB 3,3V",    0x76, 512, 64, 0x4000, 0},
+	{"xD 128MiB 3,3V",   0x79, 512, 128, 0x4000, 0},
+	{"xD 256MiB 3,3V",   0x71, 512, 256, 0x4000, XD_TYPEM},
+	{"xD 512MiB 3,3V",   0xdc, 512, 512, 0x4000, XD_TYPEM},
+	{"xD 1GiB 3,3V",     0xd3, 512, 1024, 0x4000, XD_TYPEM},
+	{"xD 2GiB 3,3V",     0xd5, 512, 2048, 0x4000, XD_TYPEM},
 	{NULL,}
 };
 
-int sm_register_device(struct mtd_info *mtd)
+int sm_register_device(struct mtd_info *mtd, int smartmedia)
 {
 	struct nand_chip *chip = (struct nand_chip *)mtd->priv;
 	int ret;
@@ -111,7 +115,8 @@ int sm_register_device(struct mtd_info *mtd)
 	chip->options |= NAND_SKIP_BBTSCAN;
 
 	/* Scan for card properties */
-	ret = nand_scan_ident(mtd, 1, nand_smartmedia_flash_ids);
+	ret = nand_scan_ident(mtd, 1, smartmedia ?
+		nand_smartmedia_flash_ids : nand_xd_flash_ids);
 
 	if (ret)
 		return ret;
diff --git a/drivers/mtd/nand/sm_common.h b/drivers/mtd/nand/sm_common.h
index 18284f5..00f4a83 100644
--- a/drivers/mtd/nand/sm_common.h
+++ b/drivers/mtd/nand/sm_common.h
@@ -36,7 +36,7 @@ struct sm_oob {
 #define SM_SMALL_OOB_SIZE	8
 
 
-extern int sm_register_device(struct mtd_info *mtd);
+extern int sm_register_device(struct mtd_info *mtd, int smartmedia);
 
 
 static inline int sm_sector_valid(struct sm_oob *oob)