[PATCH v3 9/9] vfio: Add AMBA driver_override support

Alex Williamson
2017-06-20T15:49:02Z

AMBA also supports driver_override, but amba_bustype was not exported
to be able to identify an amba device.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
drivers/vfio/vfio.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 20e57fecf652..36f0fcfded0b 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -36,6 +36,7 @@
#include <linux/uuid.h>
#include <linux/vfio.h>
#include <linux/wait.h>
+#include <linux/amba/bus.h>

#define DRIVER_VERSION "0.3"
#define DRIVER_AUTHOR "Alex Williamson <alex.williamson@redhat.com>"
@@ -743,6 +744,11 @@ static char **vfio_find_driver_override(struct device *dev)
} else if (dev->bus == &platform_bus_type) {
struct platform_device *pdev = to_platform_device(dev);
return &pdev->driver_override;
+#ifdef CONFIG_ARM_AMBA
+ } else if (dev->bus == &amba_bustype) {
+ struct amba_device *adev = to_amba_device(dev);
+ return &adev->driver_override;
+#endif
}

return NULL;