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authorJason Gunthorpe <jgg@nvidia.com>2021-02-23 15:17:48 -0400
committerAlex Williamson <alex.williamson@redhat.com>2021-03-16 10:39:28 -0600
commit3b49dfb08c750d4745ad42ec042288aba932b9d5 (patch)
tree49a892f3cfe7b9c567c42c1183ea59a55b81a1b9 /include/linux/amba
parentd3d72a6dfffd3fcaac969786118162b596227f70 (diff)
ARM: amba: Allow some ARM_AMBA users to compile with COMPILE_TEST
CONFIG_VFIO_AMBA has a light use of AMBA, adding some inline fallbacks when AMBA is disabled will allow it to be compiled under COMPILE_TEST and make VFIO easier to maintain. Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Message-Id: <3-v1-df057e0f92c3+91-vfio_arm_compile_test_jgg@nvidia.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/linux/amba')
-rw-r--r--include/linux/amba/bus.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 6cc93ab5b809..c68d87b87283 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -105,8 +105,19 @@ extern struct bus_type amba_bustype;
#define amba_get_drvdata(d) dev_get_drvdata(&d->dev)
#define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p)
+#ifdef CONFIG_ARM_AMBA
int amba_driver_register(struct amba_driver *);
void amba_driver_unregister(struct amba_driver *);
+#else
+static inline int amba_driver_register(struct amba_driver *drv)
+{
+ return -EINVAL;
+}
+static inline void amba_driver_unregister(struct amba_driver *drv)
+{
+}
+#endif
+
struct amba_device *amba_device_alloc(const char *, resource_size_t, size_t);
void amba_device_put(struct amba_device *);
int amba_device_add(struct amba_device *, struct resource *);