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ath79: increase spi frequency on tp-link tl-wr1043nd v2

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Increase SPI frequency to 33.333 MHz. It's maximum frequency supported
by SPI Flash memory chip without Fast read opcode.

Before:
$ time dd if=/dev/mtd1 of=/dev/null bs=8M
0+1 records in
0+1 records out
real	0m 3.21s
user	0m 0.00s
sys	0m 3.21s

After:
$ time dd if=/dev/mtd1 of=/dev/null bs=8M
0+1 records in
0+1 records out
real	0m 2.52s
user	0m 0.00s
sys	0m 2.52s

Tested on TP-Link TL-WR1043ND V2.

Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl>
This commit is contained in:
Aleksander Jan Bajkowski 2020-04-18 14:40:08 +02:00 committed by Chuanhong Guo
parent e04ff3c7cc
commit 2f7118712e
1 changed files with 1 additions and 1 deletions
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2
target/linux/ath79/dts/qca9558_tplink_tl-wr1043nd.dtsi
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@ -106,7 +106,7 @@
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <25000000>;
spi-max-frequency = <33400000>;
partitions {
compatible = "fixed-partitions";