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author | Rafał Miłecki <zajec5@gmail.com> | 2014-11-08 21:41:21 +0000 |
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committer | Rafał Miłecki <zajec5@gmail.com> | 2014-11-08 21:41:21 +0000 |
commit | dd2e536a76874f71ce8cae0826a6a03dc58740a7 (patch) | |
tree | 50bad8d605a5c895ded4be78fd3340cd54e4752a /target/linux/generic/patches-3.14/050-mtd-bcm47xxpart-backports-from-3.19.patch | |
parent | 6e11539b3e44c77d6ffa55d22fd9e117a1c7c79d (diff) | |
download | upstream-dd2e536a76874f71ce8cae0826a6a03dc58740a7.tar.gz upstream-dd2e536a76874f71ce8cae0826a6a03dc58740a7.tar.bz2 upstream-dd2e536a76874f71ce8cae0826a6a03dc58740a7.zip |
kernel: backport bcm47xxpart changes queued for 3.19
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43223 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.14/050-mtd-bcm47xxpart-backports-from-3.19.patch')
-rw-r--r-- | target/linux/generic/patches-3.14/050-mtd-bcm47xxpart-backports-from-3.19.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.14/050-mtd-bcm47xxpart-backports-from-3.19.patch b/target/linux/generic/patches-3.14/050-mtd-bcm47xxpart-backports-from-3.19.patch new file mode 100644 index 0000000000..b2d53f9f8a --- /dev/null +++ b/target/linux/generic/patches-3.14/050-mtd-bcm47xxpart-backports-from-3.19.patch @@ -0,0 +1,50 @@ +--- a/drivers/mtd/bcm47xxpart.c ++++ b/drivers/mtd/bcm47xxpart.c +@@ -15,8 +15,12 @@ + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> + +-/* 10 parts were found on sflash on Netgear WNDR4500 */ +-#define BCM47XXPART_MAX_PARTS 12 ++/* ++ * NAND flash on Netgear R6250 was verified to contain 15 partitions. ++ * This will result in allocating too big array for some old devices, but the ++ * memory will be freed soon anyway (see mtd_device_parse_register). ++ */ ++#define BCM47XXPART_MAX_PARTS 20 + + /* + * Amount of bytes we read when analyzing each block of flash memory. +@@ -168,18 +172,26 @@ static int bcm47xxpart_parse(struct mtd_ + i++; + } + +- bcm47xxpart_add_part(&parts[curr_part++], "linux", +- offset + trx->offset[i], 0); +- i++; ++ if (trx->offset[i]) { ++ bcm47xxpart_add_part(&parts[curr_part++], ++ "linux", ++ offset + trx->offset[i], ++ 0); ++ i++; ++ } + + /* + * Pure rootfs size is known and can be calculated as: + * 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", +- offset + trx->offset[i], 0); +- i++; ++ if (trx->offset[i]) { ++ bcm47xxpart_add_part(&parts[curr_part++], ++ "rootfs", ++ offset + trx->offset[i], ++ 0); ++ i++; ++ } + + last_trx_part = curr_part - 1; + |