From 1513b39a8c8e21e3f8fbebab9fb4c41040ccf695 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Mon, 27 Oct 2014 18:14:39 +0000 Subject: kernel: start working on 3.18 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This commit: 1) Copies 3.14 patches 2) Drops mainlined stuff 3) Modifies some patches to apply Signed-off-by: Rafał Miłecki SVN-Revision: 43093 --- ...part-support-TRX-data-partition-being-UBI.patch | 66 ++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 target/linux/generic/patches-3.18/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch (limited to 'target/linux/generic/patches-3.18/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch') diff --git a/target/linux/generic/patches-3.18/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch b/target/linux/generic/patches-3.18/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch new file mode 100644 index 0000000000..8c6380318f --- /dev/null +++ b/target/linux/generic/patches-3.18/431-mtd-bcm47xxpart-support-TRX-data-partition-being-UBI.patch @@ -0,0 +1,66 @@ +--- a/drivers/mtd/bcm47xxpart.c ++++ b/drivers/mtd/bcm47xxpart.c +@@ -36,6 +36,7 @@ + #define ML_MAGIC2 0x26594131 + #define TRX_MAGIC 0x30524448 + #define SQSH_MAGIC 0x71736873 /* shsq */ ++#define UBI_EC_MAGIC 0x23494255 /* UBI# */ + + struct trx_header { + uint32_t magic; +@@ -46,7 +47,7 @@ struct trx_header { + uint32_t offset[3]; + } __packed; + +-static void bcm47xxpart_add_part(struct mtd_partition *part, char *name, ++static void bcm47xxpart_add_part(struct mtd_partition *part, const char *name, + u64 offset, uint32_t mask_flags) + { + part->name = name; +@@ -54,6 +55,26 @@ static void bcm47xxpart_add_part(struct + part->mask_flags = mask_flags; + } + ++static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master, ++ size_t offset) ++{ ++ uint32_t buf; ++ size_t bytes_read; ++ ++ if (mtd_read(master, offset, sizeof(&buf), &bytes_read, ++ (uint8_t *)&buf) < 0) { ++ pr_err("mtd_read error while parsing (offset: 0x%X)!\n", ++ offset); ++ goto out_default; ++ } ++ ++ if (buf == UBI_EC_MAGIC) ++ return "ubi"; ++ ++out_default: ++ return "rootfs"; ++} ++ + static int bcm47xxpart_parse(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +@@ -147,6 +168,8 @@ static int bcm47xxpart_parse(struct mtd_ + + /* TRX */ + if (buf[0x000 / 4] == TRX_MAGIC) { ++ const char *name; ++ + if (BCM47XXPART_MAX_PARTS - curr_part < 4) { + pr_warn("Not enough partitions left to register trx, scanning stopped!\n"); + break; +@@ -177,7 +200,9 @@ static int bcm47xxpart_parse(struct mtd_ + * trx->length - trx->offset[i]. We don't fill it as + * we want to have jffs2 (overlay) in the same mtd. + */ +- bcm47xxpart_add_part(&parts[curr_part++], "rootfs", ++ name = bcm47xxpart_trx_data_part_name(master, ++ offset + trx->offset[i]); ++ bcm47xxpart_add_part(&parts[curr_part++], name, + offset + trx->offset[i], 0); + i++; + -- cgit v1.2.3