diff options
| author | Guillermo RodrÃguez <guille.rodriguez@gmail.com> | 2019-12-16 16:27:57 +0100 |
|---|---|---|
| committer | Marek Vasut <marek.vasut+renesas@gmail.com> | 2020-02-02 18:19:52 +0100 |
| commit | 13cb7cc9e8e48eb888b13743f79ff02420405044 (patch) | |
| tree | a9857c70222233f5e895f6875452fcaccb78bff7 /drivers | |
| parent | bf16a7be90d5732279c454c10be1686ed79610be (diff) | |
dfu: Add option to skip empty pages when flashing UBI images to NAND
Add a new option to enable the DROP_FFS flag when flashing UBI images to
NAND in order to drop trailing all-0xff pages.
This is similar to the existing FASTBOOT_FLASH_NAND_TRIMFFS option.
Signed-off-by: Guillermo Rodriguez <guille.rodriguez@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dfu/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/dfu/dfu_nand.c | 7 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/dfu/Kconfig b/drivers/dfu/Kconfig index 9709b6277d..174fb588a6 100644 --- a/drivers/dfu/Kconfig +++ b/drivers/dfu/Kconfig @@ -42,6 +42,13 @@ config DFU_NAND This option enables using DFU to read and write to NAND based storage. +config DFU_NAND_TRIMFFS + bool "Skip empty pages when flashing UBI images to NAND" + depends on DFU_NAND + help + When flashing UBI images to NAND, enable the DROP_FFS flag to drop + trailing all-0xff pages. + config DFU_RAM bool "RAM back end for DFU" help diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c index b812a3dfb1..58b94348c9 100644 --- a/drivers/dfu/dfu_nand.c +++ b/drivers/dfu/dfu_nand.c @@ -50,6 +50,7 @@ static int nand_block_op(enum dfu_op op, struct dfu_entity *dfu, lim, buf); } else { nand_erase_options_t opts; + int write_flags = WITH_WR_VERIFY; memset(&opts, 0, sizeof(opts)); opts.offset = start; @@ -62,8 +63,12 @@ static int nand_block_op(enum dfu_op op, struct dfu_entity *dfu, if (ret) return ret; /* then write */ +#ifdef CONFIG_DFU_NAND_TRIMFFS + if (dfu->data.nand.ubi) + write_flags |= WITH_DROP_FFS; +#endif ret = nand_write_skip_bad(mtd, start, &count, &actual, - lim, buf, WITH_WR_VERIFY); + lim, buf, write_flags); } if (ret != 0) { |