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Subject[RFC PATCH 4/4] iommu/of: get rid of fsl-mc specific code
Date
From: Laurentiu Tudor <laurentiu.tudor@nxp.com>

Changing the way we configure dma for fsl-mc devices allows
us to get rid of our fsl-mc specific code in the generic
of iommu code.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
---
drivers/iommu/of_iommu.c | 20 --------------------
1 file changed, 20 deletions(-)

diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 20738aacac89..332072ada474 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -15,7 +15,6 @@
#include <linux/of_pci.h>
#include <linux/pci.h>
#include <linux/slab.h>
-#include <linux/fsl/mc.h>

#define NO_IOMMU 1

@@ -139,23 +138,6 @@ static int of_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
return err;
}

-static int of_fsl_mc_iommu_init(struct fsl_mc_device *mc_dev,
- struct device_node *master_np)
-{
- struct of_phandle_args iommu_spec = { .args_count = 1 };
- int err;
-
- err = of_map_rid(master_np, mc_dev->icid, "iommu-map",
- "iommu-map-mask", &iommu_spec.np,
- iommu_spec.args);
- if (err)
- return err == -ENODEV ? NO_IOMMU : err;
-
- err = of_iommu_xlate(&mc_dev->dev, &iommu_spec);
- of_node_put(iommu_spec.np);
- return err;
-}
-
const struct iommu_ops *of_iommu_configure(struct device *dev,
struct device_node *master_np)
{
@@ -188,8 +170,6 @@ const struct iommu_ops *of_iommu_configure(struct device *dev,
pci_request_acs();
err = pci_for_each_dma_alias(to_pci_dev(dev),
of_pci_iommu_init, &info);
- } else if (dev_is_fsl_mc(dev)) {
- err = of_fsl_mc_iommu_init(to_fsl_mc_device(dev), master_np);
} else {
struct of_phandle_args iommu_spec;
int idx = 0;
--
2.17.1
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