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I have updated this patch based on the comments [1] by Wolfgang Denk and removed unused variables. [1][http://lists.denx.de/pipermail/u-boot/2010-May/071728.html] Reduce the number of reads per byte transferred on the BUF register from 2 to 1 and take advantage of the TX buffer in the SPI module. On LogicPD OMAP-L138 EVM, SPI read throughput goes up from ~0.8Mbyte/s to ~1.3Mbyte/s. Tested with a 2Mbyte image file. Remove unused variables in the spi_xfer() function. Signed-off-by: Delio Brignoli <dbrignoli@audioscience.com> Tested-by: Ben Gardiner <bengardiner@nanometrics.ca> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com> |
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| .. | ||
| atmel_dataflash_spi.c | ||
| atmel_spi.c | ||
| atmel_spi.h | ||
| bfin_spi.c | ||
| cf_spi.c | ||
| davinci_spi.c | ||
| davinci_spi.h | ||
| kirkwood_spi.c | ||
| Makefile | ||
| mpc8xxx_spi.c | ||
| mpc52xx_spi.c | ||
| mxc_spi.c | ||
| soft_spi.c | ||