diff options
Diffstat (limited to 'drivers/core/Kconfig')
| -rw-r--r-- | drivers/core/Kconfig | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index 1ca5d66141..ffae6f9795 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -40,10 +40,24 @@ config DM_WARN depends on DM default y help + Enable this to see warnings related to driver model. + + Warnings may help with debugging, such as when expected devices do + not bind correctly. If the option is disabled, dm_warn() is compiled + out - it will do nothing when called. + +config SPL_DM_WARN + bool "Enable warnings in driver model wuth SPL" + depends on SPL_DM + help + Enable this to see warnings related to driver model in SPL + The dm_warn() function can use up quite a bit of space for its strings. By default this is disabled for SPL builds to save space. - This will cause dm_warn() to be compiled out - it will do nothing - when called. + + Warnings may help with debugging, such as when expected devices do + not bind correctly. If the option is disabled, dm_warn() is compiled + out - it will do nothing when called. config DM_DEBUG bool "Enable debug messages in driver model core" @@ -286,4 +300,15 @@ 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 |