The SMMUv1/SMMUv2 driver is initialized very early using the
IOMMU_OF_DECLARE() but the actual platform device is probed
via normal DT probing.
This patch uses of_platform_device_create() from arm_smmu_of_setup()
to ensure that SMMU platform device is probed immediately.
Signed-off-by: Anup Patel <anup.patel@xxxxxxxxxxxx>
---
drivers/iommu/arm-smmu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 22b9668..9bdf6b2 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -39,6 +39,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_iommu.h>
+#include <linux/of_platform.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -1915,10 +1916,15 @@ static int __init arm_smmu_init(void)
static int __init arm_smmu_of_setup(struct device_node *np)
{
+ struct platform_device *pdev;
if (!init_done)
arm_smmu_init();
+ pdev = of_platform_device_create(np, NULL, NULL);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
of_iommu_set_ops(np, &arm_smmu_ops);
return 0;
--
1.9.1
--
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