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Groups > linux.kernel > #1700799 > unrolled thread

[PATCH] ARM: rockchip: select ARCH_DMA_ADDR_T_64BIT for LPAE

Started byTao Huang <huangtao@rock-chips.com>
First post2017-08-01 12:00 +0200
Last post2017-08-06 13:20 +0200
Articles 2 — 2 participants

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  [PATCH] ARM: rockchip: select ARCH_DMA_ADDR_T_64BIT for LPAE Tao Huang <huangtao@rock-chips.com> - 2017-08-01 12:00 +0200
    Re: [PATCH] ARM: rockchip: select ARCH_DMA_ADDR_T_64BIT for LPAE Heiko Stuebner <heiko@sntech.de> - 2017-08-06 13:20 +0200

#1700799 — [PATCH] ARM: rockchip: select ARCH_DMA_ADDR_T_64BIT for LPAE

FromTao Huang <huangtao@rock-chips.com>
Date2017-08-01 12:00 +0200
Subject[PATCH] ARM: rockchip: select ARCH_DMA_ADDR_T_64BIT for LPAE
Message-ID<u9C82-20u-9@gated-at.bofh.it>
Rockchip RK3288 has some 64-bit capable DMA and therefore needs
dma_addr_t to be a 64-bit size. One user is the Mali GPU.

Signed-off-by: Tao Huang <huangtao@rock-chips.com>
---
 arch/arm/mach-rockchip/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 9ad84cd01ba0..240354963158 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -3,6 +3,7 @@ config ARCH_ROCKCHIP
 	depends on ARCH_MULTI_V7
 	select PINCTRL
 	select PINCTRL_ROCKCHIP
+	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
 	select ARCH_HAS_RESET_CONTROLLER
 	select ARM_AMBA
 	select ARM_GIC
-- 
2.7.4

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#1704816

FromHeiko Stuebner <heiko@sntech.de>
Date2017-08-06 13:20 +0200
Message-ID<ubrLc-1sN-5@gated-at.bofh.it>
In reply to#1700799
Am Dienstag, 1. August 2017, 17:55:55 CEST schrieb Tao Huang:
> Rockchip RK3288 has some 64-bit capable DMA and therefore needs
> dma_addr_t to be a 64-bit size. One user is the Mali GPU.
> 
> Signed-off-by: Tao Huang <huangtao@rock-chips.com>

applied for 4.14


Thanks
Heiko

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