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| author | Simon Glass <sjg@chromium.org> | 2020-09-10 20:21:25 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-10-09 12:02:25 -0400 |
| commit | d472d821f35a4b4e5a2d3302948a6f95d8cadfa5 (patch) | |
| tree | 43b4023f1d2ff132eaf314a4556b34e43b3782c5 /drivers/core | |
| parent | bc438b6e9a25614dc11c3c3fa2c38f9133090740 (diff) | |
| download | u-boot-d472d821f35a4b4e5a2d3302948a6f95d8cadfa5.tar.gz u-boot-d472d821f35a4b4e5a2d3302948a6f95d8cadfa5.tar.bz2 u-boot-d472d821f35a4b4e5a2d3302948a6f95d8cadfa5.zip | |
Kconfig: Move BOUNCE_BUFFER under driver options
This option does not belong at the top level. Move it under generic
driver options.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core')
| -rw-r--r-- | drivers/core/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index 1ca5d66141..07d3a6a7a4 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -286,4 +286,15 @@ config INTEL_ACPIGEN information such as P states and T stages. Also included is a way to create a GNVS table and set it up. +config BOUNCE_BUFFER + bool "Include bounce buffer API" + help + Some peripherals support DMA from a subset of physically + addressable memory only. To support such peripherals, the + bounce buffer API uses a temporary buffer: it copies data + to/from DMA regions while managing cache operations. + + A second possible use of bounce buffers is their ability to + provide aligned buffers for DMA operations. + endmenu |