| Message ID | 20230217132830.3140439-3-nipun.gupta@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | add support for CDX bus | expand |
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@amd.com> > Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com> > --- > 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 > }; > > /*
On 2/21/2023 5:26 PM, Robin Murphy wrote: > Caution: This message originated from an External Source. Use proper > caution when opening attachments, clicking links, or responding. > > > 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. Sure, will update the subject in the next spin. Thanks, Nipun > > 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@amd.com> >> Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com> >> --- >> 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 >> }; >> >> /*
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 }; /*