[PATCH 052/104] ts72xx: use MTDPART_OFS_RETAIN for mtd partitioning

Dmitry Eremin-Solenikov
2011-06-02T14:52:03Z

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>
---
arch/arm/mach-ep93xx/ts72xx.c | 22 ++++------------------
1 files changed, 4 insertions(+), 18 deletions(-)

diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index c2d2cf4..68e2849 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -116,8 +116,8 @@ 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 +126,14 @@ 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,
--
1.7.4.4