Re: [PATCH v6 11/25] iommu: exynos: add support for binding more than one sysmmu to master device

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Hello,

On 2015-05-10 15:34, Cho KyongHo wrote:
On Mon, 04 May 2015 10:16:06 +0200 Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote:

This patch adds support for assigning more than one SYSMMU controller to
the master device. This has been achieved simply by chaning the struct
device pointer in struct exynos_iommu_owner into the list of struct
sysmmu_drvdata of all controllers assigned to the given master device.

Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
  drivers/iommu/exynos-iommu.c | 11 +++++------
  1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index f2eceb6605c5..598660c87410 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -186,7 +186,7 @@ static char *sysmmu_fault_name[SYSMMU_FAULTS_NUM] = {
/* attached to dev.archdata.iommu of the master device */
  struct exynos_iommu_owner {
-	struct device *sysmmu;
+	struct list_head clients;
'clients' is the list of System MMUs that are assigned to the same iommu
domain. I don't think clients is not a good list name for exynos_iommu_owner
even though the elements are the same because they are used in different
contexts.

Okay, I will rename it to 'controllers' then.

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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