From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Date: Tue, 7 Jun 2016 08:55:44 +0200 Subject: [U-Boot] [PATCH v3 6/7] dfu, nand, ubi: fix erasing after write finish In-Reply-To: <1465282545-2810-1-git-send-email-hs@denx.de> References: <1465282545-2810-1-git-send-email-hs@denx.de> Message-ID: <1465282545-2810-7-git-send-email-hs@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de writting to ubi nand partitions need after write ends an erase of the remaining sectors. This fail, if dfu write size was not a multiple of erasesize, example log: Failure erase: -1 Fix this error. Signed-off-by: Heiko Schocher --- Changes in v2: - rebase to current mainline commit id: e4a94ce4ac77396b181663c0493c50bc2d5b9143 and the "mtd: nand Sync with Linux v4.6" patches: [U-Boot,1/7] mtd: nand: Remove jz4740 driver http://patchwork.ozlabs.org/patch/627922/ [U-Boot,2/7] mtd: nand: Remove docg4 driver and palmtreo680 flashing tool http://patchwork.ozlabs.org/patch/627924/ [U-Boot,3/7] mtd: nand: Remove nand_info_t typedef http://patchwork.ozlabs.org/patch/627923/ [U-Boot,4/7] nand: Embed mtd_info in struct nand_chip http://patchwork.ozlabs.org/patch/627925/ [U-Boot,5/7] mtd: nand: Add+use mtd_to/from_nand and nand_get/set_controller_data http://patchwork.ozlabs.org/patch/627926/ [U-Boot,6/7] mtd: nand: Add page argument to write_page() etc. http://patchwork.ozlabs.org/patch/627927/ [U-Boot,7/7] mtd: nand: Sync with Linux v4.6 http://patchwork.ozlabs.org/patch/627928/ drivers/dfu/dfu_nand.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c index 5906057..1ca10d4 100644 --- a/drivers/dfu/dfu_nand.c +++ b/drivers/dfu/dfu_nand.c @@ -143,6 +143,7 @@ static int dfu_read_medium_nand(struct dfu_entity *dfu, u64 offset, void *buf, static int dfu_flush_medium_nand(struct dfu_entity *dfu) { int ret = 0; + u64 off; /* in case of ubi partition, erase rest of the partition */ if (dfu->data.nand.ubi) { @@ -159,7 +160,16 @@ static int dfu_flush_medium_nand(struct dfu_entity *dfu) mtd = nand_info[nand_curr_device]; memset(&opts, 0, sizeof(opts)); - opts.offset = dfu->data.nand.start + dfu->offset + + off = dfu->offset; + if ((off & (mtd->erasesize - 1)) != 0) { + /* + * last write ended with unaligned length + * sector is erased, jump to next + */ + off = off & ~((mtd->erasesize - 1)); + off += mtd->erasesize; + } + opts.offset = dfu->data.nand.start + off + dfu->bad_skip; opts.length = dfu->data.nand.start + dfu->data.nand.size - opts.offset; -- 2.5.5