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| author | Tao Huang <huangtao@rock-chips.com> | 2017-07-28 14:40:02 +0800 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2017-08-01 00:57:59 +0200 |
| commit | bf3c4b517c2e2217e6cd53bc7a44e321bb799d75 (patch) | |
| tree | 36168e714a5dd7c63634a43c0d82525db5872af5 /arch/arm/mach-rockchip | |
| parent | da45adf97f57a561fc290e7cdd3a3dcb184cc88e (diff) | |
| download | linux-bf3c4b517c2e2217e6cd53bc7a44e321bb799d75.tar.bz2 | |
ARM: rockchip: enable ZONE_DMA for non 64-bit capable peripherals
Most IP cores on ARM Rockchip platforms can only address 32 bits of
physical memory for DMA. Thus ZONE_DMA should be enabled when LPAE
is activated.
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/mach-rockchip')
| -rw-r--r-- | arch/arm/mach-rockchip/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig index 9ad84cd01ba0..fafd3d7f9f8c 100644 --- a/arch/arm/mach-rockchip/Kconfig +++ b/arch/arm/mach-rockchip/Kconfig @@ -16,6 +16,7 @@ config ARCH_ROCKCHIP select ROCKCHIP_TIMER select ARM_GLOBAL_TIMER select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK + select ZONE_DMA if ARM_LPAE help Support for Rockchip's Cortex-A9 Single-to-Quad-Core-SoCs containing the RK2928, RK30xx and RK31xx series. |