linux-kernel - Re: [PATCH review for 4.4 14/24] dmaengine: sun6i: allow build on ARM64 platforms (sun50i)

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Date:   Sun, 08 Oct 2017 10:27:45 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
CC:     Icenowy Zheng <icenowy@...c.xyz>, Vinod Koul <vinod.koul@...el.com>
Subject: Re: [PATCH review for 4.4 14/24] dmaengine: sun6i: allow build on ARM64 platforms (sun50i)



于 2017年10月8日 GMT+08:00 上午6:37:46, "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com> 写到:
>From: Icenowy Zheng <icenowy@...c.xyz>
>
>[ Upstream commit c429ceb1e18252122ba96b52e689dcf87103c186 ]
>
>As 64-bit Allwinner H5 SoC has the same DMA engine with H3, the DMA
>driver should be allowed to be built for ARM64, in order to make it
>work on H5.

There's no H5 support in 4.4/4.9.

This patch can be ignored.

>
>Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
>Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
>Acked-by: Chen-Yu Tsai <wens@...e.org>
>Signed-off-by: Vinod Koul <vinod.koul@...el.com>
>Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
>---
> drivers/dma/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
>index e6cd1a32025a..27b7b3a9bdd2 100644
>--- a/drivers/dma/Kconfig
>+++ b/drivers/dma/Kconfig
>@@ -158,7 +158,7 @@ config DMA_SUN4I
> 
> config DMA_SUN6I
> 	tristate "Allwinner A31 SoCs DMA support"
>-	depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
>+	depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) ||
>COMPILE_TEST
> 	depends on RESET_CONTROLLER
> 	select DMA_ENGINE
> 	select DMA_VIRTUAL_CHANNELS