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Diffstat (limited to 'arch/tile/Kconfig')
| -rw-r--r-- | arch/tile/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index cf4bb69ea8e5..932e4430f7f3 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -406,6 +406,12 @@ config TILE_USB Provides USB host adapter support for the built-in EHCI and OHCI interfaces on TILE-Gx chips. +# USB OHCI needs the bounce pool since tilegx will often have more +# than 4GB of memory, but we don't currently use the IOTLB to present +# a 32-bit address to OHCI. So we need to use a bounce pool instead. +config NEED_BOUNCE_POOL + def_bool USB_OHCI_HCD + config HOTPLUG bool "Support for hot-pluggable devices" ---help--- |