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authorDmitry Baryshkov <dbaryshkov@gmail.com>2008-10-16 18:22:28 +0400
committerDmitry Baryshkov <dbaryshkov@gmail.com>2008-10-29 21:06:38 +0300
commitc176d0ca8b775a784e38d8afc7c7b42e8906282d (patch)
treed1caf1593a1d601b4593913015b685bb5bf3c66b /drivers/mtd/nand/sharpsl.c
parenta4e4f29cbeec200c12c6f3ebedc053a581f90b48 (diff)
[MTD] sharpsl-nand: cleanup partitions support
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Diffstat (limited to 'drivers/mtd/nand/sharpsl.c')
-rw-r--r--drivers/mtd/nand/sharpsl.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index 328e02ee3d8e..17625c0a8f61 100644
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -2,6 +2,7 @@
* drivers/mtd/nand/sharpsl.c
*
* Copyright (C) 2004 Richard Purdie
+ * Copyright (C) 2008 Dmitry Baryshkov
*
* Based on Sharp's NAND driver sharp_sl.c
*
@@ -52,12 +53,12 @@ struct sharpsl_nand {
#define FLCLE (1 << 1)
#define FLCE0 (1 << 0)
+#ifdef CONFIG_MTD_PARTITIONS
/*
* Define partitions for flash device
*/
#define DEFAULT_NUM_PARTITIONS 3
-static int nr_partitions;
static struct mtd_partition sharpsl_nand_default_partition_info[] = {
{
.name = "System Area",
@@ -75,6 +76,7 @@ static struct mtd_partition sharpsl_nand_default_partition_info[] = {
.size = MTDPART_SIZ_FULL,
},
};
+#endif
/*
* hardware specific access to control-lines
@@ -151,7 +153,7 @@ static int sharpsl_nand_calculate_ecc(struct mtd_info *mtd, const u_char * dat,
}
#ifdef CONFIG_MTD_PARTITIONS
-const char *part_probes[] = { "cmdlinepart", NULL };
+static const char *part_probes[] = { "cmdlinepart", NULL };
#endif
/*
@@ -160,7 +162,10 @@ const char *part_probes[] = { "cmdlinepart", NULL };
static int __devinit sharpsl_nand_probe(struct platform_device *pdev)
{
struct nand_chip *this;
+#ifdef CONFIG_MTD_PARTITIONS
struct mtd_partition *sharpsl_partition_info;
+ int nr_partitions;
+#endif
struct resource *r;
int err = 0;
struct sharpsl_nand *sharpsl;
@@ -229,10 +234,11 @@ static int __devinit sharpsl_nand_probe(struct platform_device *pdev)
/* Register the partitions */
sharpsl->mtd.name = "sharpsl-nand";
+#ifdef CONFIG_MTD_PARTITIONS
nr_partitions = parse_mtd_partitions(&sharpsl->mtd, part_probes, &sharpsl_partition_info, 0);
if (nr_partitions <= 0) {
- nr_partitions = DEFAULT_NUM_PARTITIONS;
+ nr_partitions = ARRAY_SIZE(sharpsl_nand_default_partition_info);
sharpsl_partition_info = sharpsl_nand_default_partition_info;
if (machine_is_poodle()) {
sharpsl_partition_info[1].size = 22 * 1024 * 1024;
@@ -249,11 +255,19 @@ static int __devinit sharpsl_nand_probe(struct platform_device *pdev)
}
}
- add_mtd_partitions(&sharpsl->mtd, sharpsl_partition_info, nr_partitions);
+ err = add_mtd_partitions(&sharpsl->mtd, sharpsl_partition_info, nr_partitions);
+#else
+ err = add_mtd_device(&sharpsl->mtd);
+#endif
+ if (err)
+ goto err_add;
/* Return happy */
return 0;
+err_add:
+ nand_release(&sharpsl->mtd);
+
err_scan:
platform_set_drvdata(pdev, NULL);
iounmap(sharpsl->io);