From b77217d9638e50c95e322a1b188e2e9df7782853 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Tue, 27 Mar 2012 19:38:17 +0000 Subject: 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 --- .../461-spi-add-type-field-to-spi_transfer.patch | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch (limited to 'target/linux/ar71xx/patches-3.3/461-spi-add-type-field-to-spi_transfer.patch') 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; + }; -- cgit v1.2.3