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ar71xx: enable fast flash read on dual-flash devices

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This improves flash read speed on various Buffalo units.

mtd_speedtest results on the WZR-HP-AG300H:

                          old         new        delta
eraseblock read speed:  726 KiB/s   2068 KiB/s   +184.85%
page read speed:        699 KiB/s   1973 KiB/s   +182.26%
2 page read speed:      711 KiB/s   2043 KiB/s   +187.34%

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35392
This commit is contained in:
Gabor Juhos 2013-01-29 19:12:25 +00:00
parent 562ba537fc
commit df15e5cd61
1 changed files with 1 additions and 0 deletions
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target/linux/ar71xx/files/arch/mips/ath79/dev-m25p80.c
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@ -113,5 +113,6 @@ void __init ath79_register_m25p80_multi(struct flash_platform_data *pdata)
add_mtd_concat_notifier(); add_mtd_concat_notifier();
ath79_spi_data.bus_num = 0; ath79_spi_data.bus_num = 0;
ath79_spi_data.num_chipselect = 2; ath79_spi_data.num_chipselect = 2;
ath79_spi0_cdata.is_flash = true;
ath79_register_spi(&ath79_spi_data, ath79_spi_info, 2); ath79_register_spi(&ath79_spi_data, ath79_spi_info, 2);
} }