From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/4] of: move of_dma_configure() to device, c to help re-use
Date: Fri, 09 Jan 2015 01:05:11 +0100 [thread overview]
Message-ID: <2405706.Bhe0GramZJ@wuerfel> (raw)
In-Reply-To: <54AF165F.7070909@ti.com>
On Thursday 08 January 2015 18:44:31 Murali Karicheri wrote:
> The grep of dma-ranges for arch/arm shows the size used is mask + 1 as
>
> ./boot/dts/keystone.dtsi: dma-ranges = <0x80000000 0x8 0x00000000
> 0x80000000>;
> ./boot/dts/keystone.dtsi: dma-ranges;
> ./boot/dts/keystone.dtsi: dma-ranges;
> ./boot/dts/r8a7790.dtsi: dma-ranges = <0x42000000 0 0x40000000 0
> 0x40000000 0 0x80000000
> ./boot/dts/integratorap.dts: dma-ranges = <0x80000000 0x0 0x80000000>;
> ./boot/dts/r8a7791.dtsi: dma-ranges = <0x42000000 0 0x40000000 0
> 0x40000000 0 0x80000000
> ./boot/dts/.k2hk-evm.dtb.dts.tmp: dma-ranges = <0x80000000 0x8
> 0x00000000 0x80000000>;
> ./boot/dts/.k2hk-evm.dtb.dts.tmp: dma-ranges;
> ./boot/dts/.k2l-evm.dtb.dts.tmp: dma-ranges = <0x80000000 0x8
> 0x00000000 0x80000000>;
> ./boot/dts/.k2l-evm.dtb.dts.tmp: dma-ranges;
> ./boot/dts/.k2e-evm.dtb.dts.tmp: dma-ranges = <0x80000000 0x8
> 0x00000000 0x80000000>;
> ./boot/dts/.k2e-evm.dtb.dts.tmp: dma-ranges;
> ./boot/dts/.k2e-evm.dtb.dts.tmp: dma-ranges;
> ./boot/dts/k2e.dtsi: dma-ranges;
> ./boot/dts/k2e.dtsi: dma-ranges;
>
> So for ARM 32 the below case doesn't seem to apply.
>
Ah, I guess that is because an empty dma-ranges property serves the same
purpose.
Arnd
next prev parent reply other threads:[~2015-01-09 0:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 18:49 [PATCH v3 0/4] PCI: get DMA configuration from parent device Murali Karicheri
2015-01-07 18:49 ` [PATCH v3 1/4] of: iommu: add ptr to OF node arg to of_iommu_configure() Murali Karicheri
2015-01-07 23:30 ` Rob Herring
2015-01-08 18:29 ` Murali Karicheri
2015-01-07 18:49 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c to help re-use Murali Karicheri
2015-01-07 23:37 ` Rob Herring
2015-01-08 8:40 ` Arnd Bergmann
2015-01-08 19:26 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Murali Karicheri
2015-01-08 22:24 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Arnd Bergmann
2015-01-08 23:44 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Murali Karicheri
2015-01-09 0:05 ` Arnd Bergmann [this message]
2015-01-09 15:34 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Rob Herring
2015-01-23 18:19 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Murali Karicheri
2015-01-23 18:35 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Rob Herring
2015-01-07 18:49 ` [PATCH v3 3/4] of/pci: add of_pci_dma_configure() update dma configuration Murali Karicheri
2015-01-08 16:06 ` Will Deacon
2015-01-08 19:52 ` Murali Karicheri
2015-01-08 22:25 ` Arnd Bergmann
2015-01-08 22:46 ` Murali Karicheri
2015-01-09 11:32 ` Will Deacon
2015-01-07 18:49 ` [PATCH v3 4/4] PCI: update dma configuration from DT Murali Karicheri
2015-01-07 21:18 ` [PATCH v3 0/4] PCI: get DMA configuration from parent device Arnd Bergmann
2015-01-07 23:04 ` Murali Karicheri
2015-01-08 8:56 ` Arnd Bergmann
2015-01-08 15:54 ` Will Deacon
2015-01-08 22:27 ` Arnd Bergmann
2015-01-08 22:46 ` Murali Karicheri
2015-01-07 23:05 ` Murali Karicheri
2015-01-07 23:08 ` Bjorn Helgaas
2015-01-08 15:52 ` Murali Karicheri
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