diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-27 19:38:17 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-03-27 19:38:17 +0000 |
commit | 7bc411c5d9e3bc59806b90954731ce94d96e820e (patch) | |
tree | b1e88176d38705944d4e9b3e1205dfc14463e811 /target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch | |
parent | ac19ad9ae47b97d9e0cd9d7775cbb3589c5602bf (diff) |
ar71xx: boost SPI flash read performance
mtd_speedtest results:
page read speed
old new delta
DB120 929 KiB/s 2597 KiB/s +179.55%
TL-WR1043ND v1 754 KiB/s 2166 KiB/s +187.27%
TL-WR703N v1 745 KiB/s 2176 KiB/s +192.08%
TL-MR3220 v1 752 KiB/s 2154 KiB/s +186.44%
TL-WR2543ND v1 564 KiB/s 2130 KiB/s +277.66%
TL-WR741ND v2 525 KiB/s 1767 KiB/s +236.57%
ALFA-AP96 702 KiB/s 1977 KiB/s +181.62%
WNDR3700 697 KiB/s 1965 KiB/s +181.92%
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31118 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch')
-rw-r--r-- | target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch b/target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch new file mode 100644 index 0000000000..3c7e98169d --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch @@ -0,0 +1,23 @@ +--- a/include/linux/spi/spi.h ++++ b/include/linux/spi/spi.h +@@ -355,6 +355,12 @@ extern struct spi_master *spi_busnum_to_ + + /*---------------------------------------------------------------------------*/ + ++enum spi_transfer_type { ++ SPI_TRANSFER_GENERIC = 0, ++ SPI_TRANSFER_FLASH_READ_CMD, ++ SPI_TRANSFER_FLASH_READ_DATA, ++}; ++ + /* + * I/O INTERFACE between SPI controller and protocol drivers + * +@@ -457,6 +463,7 @@ struct spi_transfer { + u8 bits_per_word; + u16 delay_usecs; + u32 speed_hz; ++ enum spi_transfer_type type; + + struct list_head transfer_list; + }; |