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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-07 21:11:16 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-07 21:11:16 +0400
commite0d65113a70f1dc514e625cc4e7a7485a4bf72df (patch)
tree7320a130dc304623f5cf4b5dd8f67fb1776225ca /drivers/mtd/nand/bcm_umi_nand.c
parentcf5e15fbd72c13977720aa15b7b7e00e1d8fd8f2 (diff)
parent48e546b7f281f251893baa40769581fd15f085fb (diff)
downloadlinux-e0d65113a70f1dc514e625cc4e7a7485a4bf72df.tar.xz
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (226 commits) mtd: tests: annotate as DANGEROUS in Kconfig mtd: tests: don't use mtd0 as a default mtd: clean up usage of MTD_DOCPROBE_ADDRESS jffs2: add compr=lzo and compr=zlib options jffs2: implement mount option parsing and compression overriding mtd: nand: initialize ops.mode mtd: provide an alias for the redboot module name mtd: m25p80: don't probe device which has status of 'disabled' mtd: nand_h1900 never worked mtd: Add DiskOnChip G3 support mtd: m25p80: add EON flash EN25Q32B into spi flash id table mtd: mark block device queue as non-rotational mtd: r852: make r852_pm_ops static mtd: m25p80: add support for at25df321a spi data flash mtd: mxc_nand: preset_v1_v2: unlock all NAND flash blocks mtd: nand: switch `check_pattern()' to standard `memcmp()' mtd: nand: invalidate cache on unaligned reads mtd: nand: do not scan bad blocks with NAND_BBT_NO_OOB set mtd: nand: wait to set BBT version mtd: nand: scrub BBT on ECC errors ... Fix up trivial conflicts: - arch/arm/mach-at91/board-usb-a9260.c Merged into board-usb-a926x.c - drivers/mtd/maps/lantiq-flash.c add_mtd_partitions -> mtd_device_register vs changed to use mtd_device_parse_register.
Diffstat (limited to 'drivers/mtd/nand/bcm_umi_nand.c')
-rw-r--r--drivers/mtd/nand/bcm_umi_nand.c57
1 files changed, 21 insertions, 36 deletions
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 8c569e454dc5..46b58d672847 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -52,8 +52,6 @@
static const __devinitconst char gBanner[] = KERN_INFO \
"BCM UMI MTD NAND Driver: 1.00\n";
-const char *part_probes[] = { "cmdlinepart", NULL };
-
#if NAND_ECC_BCH
static uint8_t scan_ff_pattern[] = { 0xff };
@@ -376,16 +374,18 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r)
- return -ENXIO;
+ if (!r) {
+ err = -ENXIO;
+ goto out_free;
+ }
/* map physical address */
bcm_umi_io_base = ioremap(r->start, resource_size(r));
if (!bcm_umi_io_base) {
printk(KERN_ERR "ioremap to access BCM UMI NAND chip failed\n");
- kfree(board_mtd);
- return -EIO;
+ err = -EIO;
+ goto out_free;
}
/* Get pointer to private data */
@@ -401,9 +401,8 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
/* Initialize the NAND hardware. */
if (bcm_umi_nand_inithw() < 0) {
printk(KERN_ERR "BCM UMI NAND chip could not be initialized\n");
- iounmap(bcm_umi_io_base);
- kfree(board_mtd);
- return -EIO;
+ err = -EIO;
+ goto out_unmap;
}
/* Set address of NAND IO lines */
@@ -436,7 +435,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
#if USE_DMA
err = nand_dma_init();
if (err != 0)
- return err;
+ goto out_unmap;
#endif
/* Figure out the size of the device that we have.
@@ -447,9 +446,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
err = nand_scan_ident(board_mtd, 1, NULL);
if (err) {
printk(KERN_ERR "nand_scan failed: %d\n", err);
- iounmap(bcm_umi_io_base);
- kfree(board_mtd);
- return err;
+ goto out_unmap;
}
/* Now that we know the nand size, we can setup the ECC layout */
@@ -468,13 +465,14 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
{
printk(KERN_ERR "NAND - Unrecognized pagesize: %d\n",
board_mtd->writesize);
- return -EINVAL;
+ err = -EINVAL;
+ goto out_unmap;
}
}
#if NAND_ECC_BCH
if (board_mtd->writesize > 512) {
- if (this->options & NAND_USE_FLASH_BBT)
+ if (this->bbt_options & NAND_BBT_USE_FLASH)
largepage_bbt.options = NAND_BBT_SCAN2NDPAGE;
this->badblock_pattern = &largepage_bbt;
}
@@ -485,33 +483,20 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
err = nand_scan_tail(board_mtd);
if (err) {
printk(KERN_ERR "nand_scan failed: %d\n", err);
- iounmap(bcm_umi_io_base);
- kfree(board_mtd);
- return err;
+ goto out_unmap;
}
/* Register the partitions */
- {
- int nr_partitions;
- struct mtd_partition *partition_info;
-
- board_mtd->name = "bcm_umi-nand";
- nr_partitions =
- parse_mtd_partitions(board_mtd, part_probes,
- &partition_info, 0);
-
- if (nr_partitions <= 0) {
- printk(KERN_ERR "BCM UMI NAND: Too few partitions - %d\n",
- nr_partitions);
- iounmap(bcm_umi_io_base);
- kfree(board_mtd);
- return -EIO;
- }
- mtd_device_register(board_mtd, partition_info, nr_partitions);
- }
+ board_mtd->name = "bcm_umi-nand";
+ mtd_device_parse_register(board_mtd, NULL, 0, NULL, 0);
/* Return happy */
return 0;
+out_unmap:
+ iounmap(bcm_umi_io_base);
+out_free:
+ kfree(board_mtd);
+ return err;
}
static int bcm_umi_nand_remove(struct platform_device *pdev)