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From: Robin Murphy <robin.murphy@arm.com>
To: Will Deacon <will.deacon@arm.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>
Cc: "jroedel@suse.de" <jroedel@suse.de>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"thierry.reding@gmail.com" <thierry.reding@gmail.com>,
	"laurent.pinchart@ideasonboard.com"
	<laurent.pinchart@ideasonboard.com>,
	"Varun.Sethi@freescale.com" <Varun.Sethi@freescale.com>,
	"hdoyu@nvidia.com" <hdoyu@nvidia.com>,
	"dwmw2@infradead.org" <dwmw2@infradead.org>,
	"m.szyprowski@samsung.com" <m.szyprowski@samsung.com>
Subject: Re: [RFC PATCH v3 1/7] iommu: provide early initialisation hook for IOMMU drivers
Date: Thu, 18 Sep 2014 15:31:54 +0100	[thread overview]
Message-ID: <541AECDA.1000805@arm.com> (raw)
In-Reply-To: <1410539695-29128-2-git-send-email-will.deacon@arm.com>

Hi Will,

After some fun times wondering why on Earth of_iommu_init was trying to 
instantiate a GIC, I think we may need one of these as part of this 
patch, too ;)

Robin.

--->8---

diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 8656b63..1927691 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -24,6 +24,9 @@
  #include <linux/of_iommu.h>
  #include <linux/slab.h>

+static const struct of_device_id __iommu_of_table_sentinel
+       __used __section(__iommu_of_table_end);
+
  /**
   * of_get_dma_window - Parse *dma-window property and returns 0 if found.
   *

WARNING: multiple messages have this Message-ID (diff)
From: robin.murphy@arm.com (Robin Murphy)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v3 1/7] iommu: provide early initialisation hook for IOMMU drivers
Date: Thu, 18 Sep 2014 15:31:54 +0100	[thread overview]
Message-ID: <541AECDA.1000805@arm.com> (raw)
In-Reply-To: <1410539695-29128-2-git-send-email-will.deacon@arm.com>

Hi Will,

After some fun times wondering why on Earth of_iommu_init was trying to 
instantiate a GIC, I think we may need one of these as part of this 
patch, too ;)

Robin.

--->8---

diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 8656b63..1927691 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -24,6 +24,9 @@
  #include <linux/of_iommu.h>
  #include <linux/slab.h>

+static const struct of_device_id __iommu_of_table_sentinel
+       __used __section(__iommu_of_table_end);
+
  /**
   * of_get_dma_window - Parse *dma-window property and returns 0 if found.
   *

  reply	other threads:[~2014-09-18 14:31 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-12 16:34 [RFC PATCH v3 0/7] Introduce automatic DMA configuration for IOMMU masters Will Deacon
2014-09-12 16:34 ` Will Deacon
     [not found] ` <1410539695-29128-1-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org>
2014-09-12 16:34   ` [RFC PATCH v3 1/7] iommu: provide early initialisation hook for IOMMU drivers Will Deacon
2014-09-12 16:34     ` Will Deacon
2014-09-18 14:31     ` Robin Murphy [this message]
2014-09-18 14:31       ` Robin Murphy
     [not found]       ` <541AECDA.1000805-5wv7dgnIgG8@public.gmane.org>
2014-09-22 17:35         ` Will Deacon
2014-09-22 17:35           ` Will Deacon
2014-09-12 16:34   ` [RFC PATCH v3 2/7] dma-mapping: replace set_arch_dma_coherent_ops with arch_setup_dma_ops Will Deacon
2014-09-12 16:34     ` Will Deacon
2014-09-12 16:34   ` [RFC PATCH v3 3/7] iommu: add new iommu_ops callback for adding an OF device Will Deacon
2014-09-12 16:34     ` Will Deacon
     [not found]     ` <1410539695-29128-4-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org>
2014-09-15 11:57       ` Marek Szyprowski
2014-09-15 11:57         ` Marek Szyprowski
     [not found]         ` <5416D432.8020107-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2014-09-17  1:39           ` Will Deacon
2014-09-17  1:39             ` Will Deacon
2014-09-12 16:34   ` [RFC PATCH v3 4/7] iommu: provide helper function to configure an IOMMU for an of master Will Deacon
2014-09-12 16:34     ` Will Deacon
     [not found]     ` <1410539695-29128-5-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org>
2014-09-18 11:13       ` Laurent Pinchart
2014-09-18 11:13         ` Laurent Pinchart
2014-09-22 17:13         ` Will Deacon
2014-09-22 17:13           ` Will Deacon
     [not found]           ` <20140922171352.GF7936-5wv7dgnIgG8@public.gmane.org>
2014-10-14 13:12             ` Laurent Pinchart
2014-10-14 13:12               ` Laurent Pinchart
2014-09-12 16:34   ` [RFC PATCH v3 5/7] dma-mapping: detect and configure IOMMU in of_dma_configure Will Deacon
2014-09-12 16:34     ` Will Deacon
     [not found]     ` <1410539695-29128-6-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org>
2014-09-18 11:17       ` Laurent Pinchart
2014-09-18 11:17         ` Laurent Pinchart
2014-09-22  9:29         ` Thierry Reding
2014-09-22  9:29           ` Thierry Reding
2014-09-22 17:50           ` Will Deacon
2014-09-22 17:50             ` Will Deacon
     [not found]             ` <20140922175027.GK7936-5wv7dgnIgG8@public.gmane.org>
2014-10-14 12:53               ` Laurent Pinchart
2014-10-14 12:53                 ` Laurent Pinchart
2014-10-27 10:51                 ` Will Deacon
2014-10-27 10:51                   ` Will Deacon
     [not found]                   ` <20141027105158.GE8768-5wv7dgnIgG8@public.gmane.org>
2014-10-27 11:12                     ` Marek Szyprowski
2014-10-27 11:12                       ` Marek Szyprowski
2014-10-27 11:30                     ` Laurent Pinchart
2014-10-27 11:30                       ` Laurent Pinchart
2014-10-27 16:02                       ` Will Deacon
2014-10-27 16:02                         ` Will Deacon
     [not found]                         ` <20141027160216.GY8768-5wv7dgnIgG8@public.gmane.org>
2014-10-27 16:33                           ` jroedel-l3A5Bk7waGM
2014-10-27 16:33                             ` jroedel at suse.de
2014-09-22 17:46         ` Will Deacon
2014-09-22 17:46           ` Will Deacon
2014-09-12 16:34   ` [RFC PATCH v3 6/7] arm: call iommu_init before of_platform_populate Will Deacon
2014-09-12 16:34     ` Will Deacon
     [not found]     ` <1410539695-29128-7-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org>
2014-09-22  9:36       ` Thierry Reding
2014-09-22  9:36         ` Thierry Reding
2014-09-22 11:08         ` Arnd Bergmann
2014-09-22 11:08           ` Arnd Bergmann
2014-09-22 11:40           ` Thierry Reding
2014-09-22 11:40             ` Thierry Reding
2014-09-22 16:03             ` Arnd Bergmann
2014-09-22 16:03               ` Arnd Bergmann
2014-09-23  7:02               ` Thierry Reding
2014-09-23  7:02                 ` Thierry Reding
2014-09-23  7:44                 ` Arnd Bergmann
2014-09-23  7:44                   ` Arnd Bergmann
2014-09-23  8:59                   ` Thierry Reding
2014-09-23  8:59                     ` Thierry Reding
2014-10-14 13:07                   ` Laurent Pinchart
2014-10-14 13:07                     ` Laurent Pinchart
2014-10-14 13:20                     ` Arnd Bergmann
2014-10-14 13:20                       ` Arnd Bergmann
2014-10-14 13:37                       ` Thierry Reding
2014-10-14 13:37                         ` Thierry Reding
2014-10-14 15:01                         ` Laurent Pinchart
2014-10-14 15:01                           ` Laurent Pinchart
2014-10-14 15:05                           ` Thierry Reding
2014-10-14 15:05                             ` Thierry Reding
2014-10-14 15:10                             ` Laurent Pinchart
2014-10-14 15:10                               ` Laurent Pinchart
2014-09-12 16:34   ` [RFC PATCH v3 7/7] arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops Will Deacon
2014-09-12 16:34     ` Will Deacon
     [not found]     ` <1410539695-29128-8-git-send-email-will.deacon-5wv7dgnIgG8@public.gmane.org>
2014-09-22  9:19       ` Thierry Reding
2014-09-22  9:19         ` Thierry Reding
2014-09-22  9:22         ` Laurent Pinchart
2014-09-22  9:22           ` Laurent Pinchart
2014-09-22 17:43         ` Will Deacon
2014-09-22 17:43           ` Will Deacon
     [not found]           ` <20140922174337.GI7936-5wv7dgnIgG8@public.gmane.org>
2014-09-23  7:14             ` Thierry Reding
2014-09-23  7:14               ` Thierry Reding
2014-09-24 16:33               ` Will Deacon
2014-09-24 16:33                 ` Will Deacon
     [not found]                 ` <20140924163338.GF16244-5wv7dgnIgG8@public.gmane.org>
2014-09-25  6:40                   ` Thierry Reding
2014-09-25  6:40                     ` Thierry Reding
2014-09-30 16:00                     ` Will Deacon
2014-09-30 16:00                       ` Will Deacon
     [not found]                       ` <20140930160035.GM2548-5wv7dgnIgG8@public.gmane.org>
2014-10-01  8:46                         ` Thierry Reding
2014-10-01  8:46                           ` Thierry Reding
2014-10-03 15:08                           ` Will Deacon
2014-10-03 15:08                             ` Will Deacon
     [not found]                             ` <20141003150850.GA32451-5wv7dgnIgG8@public.gmane.org>
2014-10-06  9:52                               ` Thierry Reding
2014-10-06  9:52                                 ` Thierry Reding
2014-10-06 10:50                                 ` Laurent Pinchart
2014-10-06 10:50                                   ` Laurent Pinchart
2014-10-06 13:05                                   ` Thierry Reding
2014-10-06 13:05                                     ` Thierry Reding
2014-09-16 11:40 ` [RFC PATCH v3 0/7] Introduce automatic DMA configuration for IOMMU masters Robin Murphy
2014-09-16 11:40   ` Robin Murphy
     [not found]   ` <541821AB.8040403-5wv7dgnIgG8@public.gmane.org>
2014-09-17  1:19     ` Will Deacon
2014-09-17  1:19       ` Will Deacon

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