From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Murali Karicheri <m-karicheri2-l0cyMroinI0@public.gmane.org>
Cc: Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
Grant Likely
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Linux IOMMU
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
"linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
Russell King - ARM Linux
<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
Subject: Re: [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-l0cyMroinI0@public.gmane.org>
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
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WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Murali Karicheri <m-karicheri2@ti.com>
Cc: Rob Herring <robherring2@gmail.com>,
Joerg Roedel <joro@8bytes.org>,
Grant Likely <grant.likely@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Linux IOMMU <iommu@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Will Deacon <will.deacon@arm.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>
Subject: Re: [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
WARNING: multiple messages have this Message-ID (diff)
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: 79+ 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 ` Murali Karicheri
2015-01-07 18:49 ` Murali Karicheri
[not found] ` <1420656594-8908-1-git-send-email-m-karicheri2-l0cyMroinI0@public.gmane.org>
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 18:49 ` Murali Karicheri
2015-01-07 18:49 ` Murali Karicheri
[not found] ` <1420656594-8908-2-git-send-email-m-karicheri2-l0cyMroinI0@public.gmane.org>
2015-01-07 23:30 ` Rob Herring
2015-01-07 23:30 ` Rob Herring
2015-01-07 23:30 ` Rob Herring
2015-01-08 18:29 ` Murali Karicheri
2015-01-08 18:29 ` Murali Karicheri
2015-01-07 23:05 ` [PATCH v3 0/4] PCI: get DMA configuration from parent device Murali Karicheri
2015-01-07 23:05 ` Murali Karicheri
2015-01-07 23:05 ` Murali Karicheri
[not found] ` <54ADBBCF.8020206-l0cyMroinI0@public.gmane.org>
2015-01-07 23:08 ` Bjorn Helgaas
2015-01-07 23:08 ` Bjorn Helgaas
2015-01-07 23:08 ` Bjorn Helgaas
[not found] ` <CAErSpo46UAn9ckbzrgzAoQbu2D=oyOOL_rO24NWEg_iDLSuCLA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-08 15:52 ` Murali Karicheri
2015-01-08 15:52 ` Murali Karicheri
2015-01-08 15:52 ` 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 18:49 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Murali Karicheri
2015-01-07 18:49 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Murali Karicheri
2015-01-07 23:37 ` Rob Herring
2015-01-07 23:37 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Rob Herring
[not found] ` <CAL_Jsq+pKeXuGnZV_NYHn6iZgeOs404OPhcUb0FJs=-7j2P1Ug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-08 8:40 ` Arnd Bergmann
2015-01-08 8:40 ` Arnd Bergmann
2015-01-08 8:40 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Arnd Bergmann
2015-01-08 19:26 ` Murali Karicheri
2015-01-08 19:26 ` Murali Karicheri
2015-01-08 22:24 ` Arnd Bergmann
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
2015-01-08 23:44 ` Murali Karicheri
2015-01-08 23:44 ` Murali Karicheri
[not found] ` <54AF165F.7070909-l0cyMroinI0@public.gmane.org>
2015-01-09 0:05 ` Arnd Bergmann [this message]
2015-01-09 0:05 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Arnd Bergmann
2015-01-09 0:05 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Arnd Bergmann
2015-01-09 15:34 ` Rob Herring
2015-01-09 15:34 ` [PATCH v3 2/4] of: move of_dma_configure() to device, c " Rob Herring
2015-01-09 15:34 ` [PATCH v3 2/4] of: move of_dma_configure() to device,c " Rob Herring
2015-01-23 18:19 ` Murali Karicheri
2015-01-23 18:19 ` Murali Karicheri
2015-01-23 18:35 ` Rob Herring
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
2015-01-07 18:49 ` Murali Karicheri
2015-01-07 18:49 ` Murali Karicheri
2015-01-08 16:06 ` Will Deacon
2015-01-08 16:06 ` Will Deacon
2015-01-08 19:52 ` Murali Karicheri
2015-01-08 19:52 ` Murali Karicheri
[not found] ` <54AEDFED.8060008-l0cyMroinI0@public.gmane.org>
2015-01-08 22:25 ` Arnd Bergmann
2015-01-08 22:25 ` Arnd Bergmann
2015-01-08 22:25 ` Arnd Bergmann
2015-01-08 22:46 ` Murali Karicheri
2015-01-08 22:46 ` Murali Karicheri
2015-01-08 22:46 ` Murali Karicheri
2015-01-09 11:32 ` Will Deacon
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 18:49 ` Murali Karicheri
2015-01-07 18:49 ` Murali Karicheri
2015-01-07 21:18 ` [PATCH v3 0/4] PCI: get DMA configuration from parent device Arnd Bergmann
2015-01-07 21:18 ` Arnd Bergmann
2015-01-07 23:04 ` Murali Karicheri
2015-01-07 23:04 ` Murali Karicheri
2015-01-07 23:04 ` Murali Karicheri
[not found] ` <54ADBB89.8070503-l0cyMroinI0@public.gmane.org>
2015-01-08 8:56 ` Arnd Bergmann
2015-01-08 8:56 ` Arnd Bergmann
2015-01-08 8:56 ` Arnd Bergmann
2015-01-08 15:54 ` Will Deacon
2015-01-08 15:54 ` Will Deacon
2015-01-08 15:54 ` Will Deacon
2015-01-08 22:27 ` Arnd Bergmann
2015-01-08 22:27 ` Arnd Bergmann
2015-01-08 22:46 ` Murali Karicheri
2015-01-08 22:46 ` Murali Karicheri
2015-01-08 22:46 ` Murali Karicheri
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