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From: Catalin Marinas <catalin.marinas@arm.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: linux-rpi-kernel@lists.infradead.org,
	Will Deacon <will.deacon@arm.com>,
	open list <linux-kernel@vger.kernel.org>,
	mzoran <mzoran@crowfest.net>,
	"moderated list:ARM64 PORT AARCH64 ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 06/32] arm64: Fix physical to DMA mappings.
Date: Thu, 2 Jun 2016 18:20:06 +0100	[thread overview]
Message-ID: <20160602172006.GF24938@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <1464817421-8519-7-git-send-email-kraxel@redhat.com>

On Wed, Jun 01, 2016 at 11:43:15PM +0200, Gerd Hoffmann wrote:
> From: mzoran <mzoran@crowfest.net>
> 
> Gets USB and networking to work on Raspberry Pi 3 in 64 bit.
> 
> created by mzoran@crowfest.net
> 
> [ kraxel: some cleanups ]
> 
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  arch/arm64/include/asm/dma-mapping.h | 73 ++++++++++++++++++++++++++++++++++--
>  arch/arm64/include/asm/memory.h      |  8 ++++

We had a similar patch already here:

http://article.gmane.org/gmane.linux.ports.arm.kernel/500565

Maybe you need some alignment with other contributing RPi3 patches.

> diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
> index 72a3025..ab4c65e 100644
> --- a/arch/arm64/include/asm/memory.h
> +++ b/arch/arm64/include/asm/memory.h
> @@ -226,6 +226,14 @@ static inline void *phys_to_virt(phys_addr_t x)
>  #endif
>  #endif
>  
> +#ifndef __virt_to_bus
> +#define __virt_to_bus	__virt_to_phys
> +#define __bus_to_virt	__phys_to_virt
> +#define __pfn_to_bus(x)	__pfn_to_phys(x)
> +#define __bus_to_pfn(x)	__phys_to_pfn(x)
> +#endif

Do you really need these macros? What's with the #ifndef, anything going
to override them?

-- 
Catalin

  reply	other threads:[~2016-06-02 17:20 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1464817421-8519-1-git-send-email-kraxel@redhat.com>
2016-06-01 21:43 ` [PATCH 01/32] arm64: Add platform selection for BCM2835 Gerd Hoffmann
2016-06-01 21:49   ` Florian Fainelli
2016-06-02  6:45     ` Gerd Hoffmann
2016-06-02 16:25       ` Ray Jui
2016-06-02 16:48         ` Scott Branden
2016-06-02 17:12           ` Gerd Hoffmann
2016-06-02 17:21             ` Scott Branden
2016-06-02 17:36               ` Florian Fainelli
2016-06-02 17:30       ` Catalin Marinas
2016-06-01 21:43 ` [PATCH 02/32] arm64: Add BCM2835 support to the defconfig Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 03/32] irqchip: bcm2835: Avoid arch/arm-specific handle_IRQ Gerd Hoffmann
2016-06-02  0:50   ` Jason Cooper
2016-06-02 18:06     ` Eric Anholt
2016-06-01 21:43 ` [PATCH 04/32] dt-bindings: Add root properties for Raspberry Pi 3 Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 05/32] ARM: bcm2835: Add devicetree for the " Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 06/32] arm64: Fix physical to DMA mappings Gerd Hoffmann
2016-06-02 17:20   ` Catalin Marinas [this message]
2016-06-01 21:43 ` [PATCH 07/32] ARM: bcm2835: dt: Add the ethernet to the device trees Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 08/32] ARM: bcm2837: " Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 09/32] bcm2837-rpi-3-b.dts for 32bit arm Gerd Hoffmann
2016-06-01 22:00   ` Arnd Bergmann
2016-06-01 22:30     ` Eric Anholt
2016-06-01 22:39       ` Arnd Bergmann
2016-06-02  6:56         ` Gerd Hoffmann
2016-06-02  7:24           ` Arnd Bergmann
2016-06-02  9:14             ` Gerd Hoffmann
2016-06-02  9:53               ` Arnd Bergmann
2016-06-02 15:11                 ` Gerd Hoffmann
2016-06-02 15:23                   ` Arnd Bergmann
2016-06-01 21:43 ` [PATCH 10/32] don't force serial pins to uart0 Gerd Hoffmann
2016-06-01 22:19   ` Arnd Bergmann
2016-06-02 18:19     ` Eric Anholt
2016-06-01 21:43 ` [PATCH 11/32] ARM: bcm2835: Define standard pinctrl groups in the gpio node Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 12/32] ARM: bcm2835: Replace alt0/i2s_alt[02] with standard groups Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 13/32] bcm2837-rpi-3-b.dts: add gpio Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 14/32] bcm2837-rpi-3-b.dts: vc4 hdmi fixup Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 15/32] ARM: bcm2835: Move the emmc pin group to bcm283x.dtsi Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 16/32] bcm2837-rpi-3-b.dts: move the emmc pin group Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 17/32] ARM: bcm2835: Add a group for mapping pins 48-53 to sdhost Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 18/32] ARM: bcm2835: Move most RPi default pin groups to their devices Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 19/32] bcm2837-rpi-3-b.dts: move " Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 20/32] dt-bindings: Add binding for brcm,bcm2835-sdhost Gerd Hoffmann
2016-06-06 13:12   ` Rob Herring
2016-06-01 21:43 ` [PATCH 21/32] mmc: bcm2835-sdhost: Add new driver for the internal SD controller Gerd Hoffmann
2016-06-01 22:18   ` Arnd Bergmann
2016-06-02 18:12     ` Eric Anholt
2016-06-03  8:42       ` Arnd Bergmann
2016-06-21 12:33     ` Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 22/32] ARM: bcm2835: Include SDHOST in the device tree Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 23/32] ARM: bcm2835: Enable SDHOST by default Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 24/32] i2c: bcm2835: Don't complain on -EPROBE_DEFER from getting our clock Gerd Hoffmann
2016-07-22  7:26   ` Wolfram Sang
2016-06-01 21:43 ` [PATCH 25/32] dt-gpio-fix Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 26/32] enable uart1 on the BT pins Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 27/32] gpio: Add support for the FXL6408 GPIO expander Gerd Hoffmann
2016-06-06 23:50   ` Eric Anholt
2016-06-07  0:02   ` Florian Fainelli
2016-06-08  9:10   ` Linus Walleij
2016-06-09 17:22     ` Eric Anholt
2016-06-01 21:43 ` [PATCH 28/32] i2c: bcm2835: Set up the rising/falling edge delays Gerd Hoffmann
2016-07-22  7:26   ` Wolfram Sang
2016-06-01 21:43 ` [PATCH 29/32] ARM: bcm2835: Use i2c-gpio for the expander, instead Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 30/32] ARM: bcm2835: Add a new EMMC pin group from the downstream tree Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 31/32] enable wireless Gerd Hoffmann
2016-06-01 21:43 ` [PATCH 32/32] mmc: bcm2835: Import bcm2835-mmc and switch to it Gerd Hoffmann
2016-06-02 16:52   ` Stefan Wahren
2016-06-02 18:18     ` Eric Anholt
2016-06-02 19:09       ` Stefan Wahren
2016-06-02 20:03         ` Gerd Hoffmann
2016-06-02 21:40         ` Eric Anholt

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