From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Mike Turquette
<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
David Riley <davidriley-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Alexandre Courbot
<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Peter De Schrijver
<pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v6 05/12] memory: Add NVIDIA Tegra memory controller support
Date: Wed, 12 Nov 2014 16:02:34 +0100 [thread overview]
Message-ID: <20141112150233.GW10744@8bytes.org> (raw)
In-Reply-To: <20141112144715.GD26488@ulmo>
On Wed, Nov 12, 2014 at 03:47:16PM +0100, Thierry Reding wrote:
> The SMMU is part of a larger IP block that's also a memory controller.
> Having it in drivers/iommu would mean that we need to provide a
> mechanism to synchronize between the two drivers. They also share a
> number of data tables, so that would need to be shared somehow as well.
> By keeping both in the same directory we don't have to expose any of
> this publicly.
Since these parts are in different files you export the interfaces
anyway through non-static symbols and those dependencys also exist for
other IOMMU drivers. So I prefer this file to live in drivers/iommu.
Joerg
WARNING: multiple messages have this Message-ID (diff)
From: joro@8bytes.org (Joerg Roedel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v6 05/12] memory: Add NVIDIA Tegra memory controller support
Date: Wed, 12 Nov 2014 16:02:34 +0100 [thread overview]
Message-ID: <20141112150233.GW10744@8bytes.org> (raw)
In-Reply-To: <20141112144715.GD26488@ulmo>
On Wed, Nov 12, 2014 at 03:47:16PM +0100, Thierry Reding wrote:
> The SMMU is part of a larger IP block that's also a memory controller.
> Having it in drivers/iommu would mean that we need to provide a
> mechanism to synchronize between the two drivers. They also share a
> number of data tables, so that would need to be shared somehow as well.
> By keeping both in the same directory we don't have to expose any of
> this publicly.
Since these parts are in different files you export the interfaces
anyway through non-static symbols and those dependencys also exist for
other IOMMU drivers. So I prefer this file to live in drivers/iommu.
Joerg
next prev parent reply other threads:[~2014-11-12 15:02 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 16:00 [PATCH v6 00/12] NVIDIA Tegra memory controller and IOMMU support Thierry Reding
2014-11-07 16:00 ` Thierry Reding
[not found] ` <1415376063-17205-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-07 16:00 ` [PATCH v6 01/12] clk: tegra: Implement memory-controller clock Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 02/12] amba: Add Kconfig file Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 03/12] ARM: tegra: Move AHB Kconfig to drivers/amba Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 04/12] of: Add NVIDIA Tegra memory controller binding Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 05/12] memory: Add NVIDIA Tegra memory controller support Thierry Reding
[not found] ` <1415376063-17205-6-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-12 14:21 ` Joerg Roedel
2014-11-12 14:21 ` Joerg Roedel
[not found] ` <20141112142150.GV10744-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-11-12 14:47 ` Thierry Reding
2014-11-12 14:47 ` Thierry Reding
2014-11-12 15:02 ` Joerg Roedel [this message]
2014-11-12 15:02 ` Joerg Roedel
[not found] ` <20141112150233.GW10744-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-11-12 15:09 ` Thierry Reding
2014-11-12 15:09 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 06/12] ARM: tegra: Add memory controller support for Tegra30 Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 07/12] ARM: tegra: Add memory controller support for Tegra114 Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:00 ` [PATCH v6 08/12] ARM: tegra: Add memory controller support for Tegra124 Thierry Reding
2014-11-07 16:00 ` Thierry Reding
2014-11-07 16:01 ` [PATCH v6 09/12] ARM: tegra: Enable IOMMU for display controllers on Tegra30 Thierry Reding
2014-11-07 16:01 ` Thierry Reding
2014-11-07 16:01 ` [PATCH v6 10/12] ARM: tegra: Enable IOMMU for display controllers on Tegra114 Thierry Reding
2014-11-07 16:01 ` Thierry Reding
2014-11-07 16:01 ` [PATCH v6 11/12] ARM: tegra: Enable IOMMU for display controllers on Tegra124 Thierry Reding
2014-11-07 16:01 ` Thierry Reding
2014-11-07 16:01 ` [PATCH v6 12/12] memory: tegra: Add Tegra132 support Thierry Reding
2014-11-07 16:01 ` Thierry Reding
2014-11-10 9:53 ` [PATCH v6 00/12] NVIDIA Tegra memory controller and IOMMU support Alexandre Courbot
2014-11-10 9:53 ` Alexandre Courbot
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