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author | Gabor Juhos <juhosg@openwrt.org> | 2012-03-27 19:38:17 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-03-27 19:38:17 +0000 |
commit | b77217d9638e50c95e322a1b188e2e9df7782853 (patch) | |
tree | 8274ccf3844a3b37d673db566c8a6576216c5796 /target/linux/ar71xx/patches-3.2/461-spi-add-type-field-to-spi_transfer.patch | |
parent | 102c6df148ee4b5df368c32e282e31f37f26363f (diff) | |
download | mtk-20170518-b77217d9638e50c95e322a1b188e2e9df7782853.zip mtk-20170518-b77217d9638e50c95e322a1b188e2e9df7782853.tar.gz mtk-20170518-b77217d9638e50c95e322a1b188e2e9df7782853.tar.bz2 |
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%
SVN-Revision: 31118
Diffstat (limited to 'target/linux/ar71xx/patches-3.2/461-spi-add-type-field-to-spi_transfer.patch')
-rw-r--r-- | target/linux/ar71xx/patches-3.2/461-spi-add-type-field-to-spi_transfer.patch | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.2/461-spi-add-type-field-to-spi_transfer.patch b/target/linux/ar71xx/patches-3.2/461-spi-add-type-field-to-spi_transfer.patch new file mode 100644 index 0000000..e87d7fc --- /dev/null +++ b/target/linux/ar71xx/patches-3.2/461-spi-add-type-field-to-spi_transfer.patch @@ -0,0 +1,23 @@ +--- a/include/linux/spi/spi.h ++++ b/include/linux/spi/spi.h +@@ -344,6 +344,12 @@ 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 + * +@@ -446,6 +452,7 @@ struct spi_transfer { + u8 bits_per_word; + u16 delay_usecs; + u32 speed_hz; ++ enum spi_transfer_type type; + + struct list_head transfer_list; + }; |