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authorGabor Juhos <juhosg@openwrt.org>2012-03-27 19:38:15 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-03-27 19:38:15 +0000
commit102c6df148ee4b5df368c32e282e31f37f26363f (patch)
treefa1fbd3a2773421c8b15b9d15b3c1721b6e025a1 /target/linux/ar71xx/patches-3.3/208-MIPS-ath79-db120-spi-chipselect-fix.patch
parent6455178a6a66c36a916e4ba6bdffe18846e637b5 (diff)
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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% SVN-Revision: 31117
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/208-MIPS-ath79-db120-spi-chipselect-fix.patch')
-rw-r--r--target/linux/ar71xx/patches-3.3/208-MIPS-ath79-db120-spi-chipselect-fix.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.3/208-MIPS-ath79-db120-spi-chipselect-fix.patch b/target/linux/ar71xx/patches-3.3/208-MIPS-ath79-db120-spi-chipselect-fix.patch
new file mode 100644
index 0000000..3b77057
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.3/208-MIPS-ath79-db120-spi-chipselect-fix.patch
@@ -0,0 +1,21 @@
+--- a/arch/mips/ath79/mach-db120.c
++++ b/arch/mips/ath79/mach-db120.c
+@@ -95,12 +95,18 @@ static struct gpio_keys_button db120_gpi
+ },
+ };
+
++static struct ath79_spi_controller_data db120_spi0_data = {
++ .cs_type = ATH79_SPI_CS_TYPE_INTERNAL,
++ .cs_line = 0,
++};
++
+ static struct spi_board_info db120_spi_info[] = {
+ {
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 25000000,
+ .modalias = "s25sl064a",
++ .controller_data = &db120_spi0_data,
+ }
+ };
+