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ar71xx: Speed up mtd extraction in ar71xx.sh

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Although the amount of data read here is smaller than for the
caldata, there still might be some speed gain compared to reading
bytewise. And there is no harm ...

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Adrian Schmutzler 2019-03-07 09:40:09 +01:00 committed by Christian Lamparter
parent 51fb186cb3
commit 26f7cf8ac3
1 changed files with 2 additions and 2 deletions
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4
target/linux/ar71xx/base-files/lib/ar71xx.sh
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@ -16,7 +16,7 @@ ar71xx_get_mtd_offset_size_format() {
dev=$(find_mtd_part $mtd)
[ -z "$dev" ] && return
dd if=$dev bs=1 skip=$offset count=$size 2>/dev/null | hexdump -v -e "1/1 \"$format\""
dd if=$dev iflag=skip_bytes bs=$size skip=$offset count=1 2>/dev/null | hexdump -v -e "1/1 \"$format\""
}
ar71xx_get_mtd_part_magic() {
@ -390,7 +390,7 @@ tplink_pharos_v2_get_model_string() {
part=$(find_mtd_part 'product-info')
[ -z "$part" ] && return 1
dd if=$part bs=1 skip=4360 count=64 2>/dev/null | tr -d '\r\0' | head -n 1
dd if=$part iflag=skip_bytes bs=64 skip=4360 count=1 2>/dev/null | tr -d '\r\0' | head -n 1
}
ar71xx_board_detect() {