Re: [PATCH v8 2/7] iommu/arm-smmu-v3: support ops registration for CDX bus

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On 2023-02-17 13:28, Nipun Gupta wrote:

Nit: subject should be "iommu: Support ops registration for CDX bus", since this is no longer a driver-specific thing.

Thanks,
Robin.

With new CDX bus supported for AMD FPGA devices on ARM
platform, the bus requires registration for the SMMU v3
driver.

Signed-off-by: Nipun Gupta <nipun.gupta@xxxxxxx>
Tested-by: Nikhil Agarwal <nikhil.agarwal@xxxxxxx>
---
  drivers/iommu/iommu.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 1fbe53354532..c2ff7754a4b3 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -28,6 +28,7 @@
  #include <linux/fsl/mc.h>
  #include <linux/module.h>
  #include <linux/cc_platform.h>
+#include <linux/cdx/cdx_bus.h>
  #include <trace/events/iommu.h>
  #include <linux/sched/mm.h>
  #include <linux/msi.h>
@@ -129,6 +130,9 @@ static struct bus_type * const iommu_buses[] = {
  #ifdef CONFIG_TEGRA_HOST1X_CONTEXT_BUS
  	&host1x_context_device_bus_type,
  #endif
+#ifdef CONFIG_CDX_BUS
+	&cdx_bus_type,
+#endif
  };
/*



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