Ignore:
Timestamp:
2012-03-27T21:38:15+02:00 (4 years ago)
Author:
juhosg
Message:

ar71xx: improve SPI flash read/write performance

mtd_speedtest results:

page write speed

old new delta

DB120 209 KiB/s 226 KiB/s +8.13%
TL-WR1043ND v1 122 KiB/s 148 KiB/s +21.31%
TL-WR703N v1 153 KiB/s 194 KiB/s +26.80%
TL-MR3220 v1 130 KiB/s 156 KiB/s +20.00%
TL-WR2543ND v1 158 KiB/s 202 KiB/s +27.85%
TL-WR741ND v2 122 KiB/s 152 KiB/s +24.59%
ALFA AP96 229 KiB/s 260 KiB/s +13.54%
WNDR3700 202 KiB/s 223 KiB/s +10.40%

page read speed

old new delta

DB120 691 KiB/s 929 KiB/s +34.44%
TL-WR1043ND v1 372 KiB/s 754 KiB/s +102.69%
TL-WR703N v1 375 KiB/s 745 KiB/s +98.67%
TL-MR3220 v1 372 KiB/s 752 KiB/s +102.15%
TL-WR2543ND v1 307 KiB/s 564 KiB/s +83.71%
TL-WR741ND v2 315 KiB/s 525 KiB/s +66.67%
ALFA AP96 515 KiB/s 702 KiB/s +36.31%
WNDR3700 515 KiB/s 697 KiB/s +35.34%

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/target/linux/ar71xx/patches-3.2/203-spi-ath79-remove-superfluous-chip-select-code.patch

    r29868 r31117  
    1 From 7385ff2cb72d6a0107890760466b9564aa5204c1 Mon Sep 17 00:00:00 2001 
     1From ecf57a64feb737dec1da72aab21dccd30a88ba19 Mon Sep 17 00:00:00 2001 
    22From: Gabor Juhos <juhosg@openwrt.org> 
    33Date: Mon, 9 Jan 2012 15:03:28 +0100 
     
    1616--- a/drivers/spi/spi-ath79.c 
    1717+++ b/drivers/spi/spi-ath79.c 
    18 @@ -121,12 +121,6 @@ static int ath79_spi_setup_cs(struct spi 
     18@@ -128,12 +128,6 @@ static int ath79_spi_setup_cs(struct spi 
    1919                        gpio_free(cdata->gpio); 
    2020                        return status; 
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