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ts72xx: use MTDPART_OFS_RETAIN for mtd partitioning

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Instead of specifying a callback for dynamic partitioning, use
MTDPART_OFS_RETAIN for reserving a place near the end of flash for
RedBoot.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <ryan@bluewatersys.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2011-06-06 18:04:15 +04:00 committed by Artem Bityutskiy
parent 1a31368bf9
commit 78dd9e3500
1 changed files with 5 additions and 18 deletions
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23
arch/arm/mach-ep93xx/ts72xx.c
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@ -116,8 +116,9 @@ static struct mtd_partition ts72xx_nand_parts[] = {
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "Linux",
.offset = MTDPART_OFS_APPEND,
.size = 0, /* filled in later */
.offset = MTDPART_OFS_RETAIN,
.size = TS72XX_REDBOOT_PART_SIZE,
/* leave so much for last partition */
}, {
.name = "RedBoot",
.offset = MTDPART_OFS_APPEND,
@ -126,28 +127,14 @@ static struct mtd_partition ts72xx_nand_parts[] = {
},
};
static void ts72xx_nand_set_parts(uint64_t size,
struct platform_nand_chip *chip)
{
/* Factory TS-72xx boards only come with 32MiB or 128MiB NAND options */
if (size == SZ_32M || size == SZ_128M) {
/* Set the "Linux" partition size */
ts72xx_nand_parts[1].size = size - TS72XX_REDBOOT_PART_SIZE;
chip->partitions = ts72xx_nand_parts;
chip->nr_partitions = ARRAY_SIZE(ts72xx_nand_parts);
} else {
pr_warning("Unknown nand disk size:%lluMiB\n", size >> 20);
}
}
static struct platform_nand_data ts72xx_nand_data = {
.chip = {
.nr_chips = 1,
.chip_offset = 0,
.chip_delay = 15,
.part_probe_types = ts72xx_nand_part_probes,
.set_parts = ts72xx_nand_set_parts,
.partitions = ts72xx_nand_parts,
.nr_partitions = ARRAY_SIZE(ts72xx_nand_parts),
},
.ctrl = {
.cmd_ctrl = ts72xx_nand_hwcontrol,