diff options
| author | David Jung <djung@nvidia.com> | 2012-06-18 15:17:29 -0700 |
|---|---|---|
| committer | Ryan Wong <ryanw@nvidia.com> | 2012-06-18 16:55:29 -0700 |
| commit | 0735ffb5017d9d3f9603f1b77492560676dea0c6 (patch) | |
| tree | 812e21fc99d13303e653863053d69bd68cdb4512 | |
| parent | 917da13dfd1bab99b30b71540c793397cbddcf22 (diff) | |
Input/Output: SPI: board file for kai
Split the transaction to equal the maximum fifo
depth of 128 bytes. Touch driver uses ~1430
bytes so performance could be impacted.
However, with preliminary testing,
no noticable performance issues has
been seen.
Bug 971393
Change-Id: Ib9f98ff5912c35149c634f6b265be24ece438b9c
Signed-off-by: David Jung <djung@nvidia.com>
Reviewed-on: http://git-master/r/109627
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Robert Collins <rcollins@nvidia.com>
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-by: Ryan Wong <ryanw@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/board-kai.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/board-kai.c b/arch/arm/mach-tegra/board-kai.c index 3e1af9eab6d4..080630baac1a 100644 --- a/arch/arm/mach-tegra/board-kai.c +++ b/arch/arm/mach-tegra/board-kai.c @@ -474,7 +474,7 @@ static struct spi_clk_parent spi_parent_clk[] = { static struct tegra_spi_platform_data kai_spi_pdata = { .is_dma_based = true, - .max_dma_buffer = (16 * 1024), + .max_dma_buffer = (128), .is_clkon_always = false, .max_rate = 100000000, }; |