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authorNipun Gupta <nipun.gupta@nxp.com>2018-09-10 19:19:18 +0530
committerJoerg Roedel <jroedel@suse.de>2018-09-25 09:47:53 +0200
commiteab03e2a1a3d9d354943aff5ae5e4254ee1ec967 (patch)
treed4d10dcf2c4f8509c1fc66ac1237044f7fcacfa7 /include/linux/fsl/mc.h
parentfa0656b40e0fb0135d7d229c8ab0261fe741af7b (diff)
iommu/arm-smmu: Add support for the fsl-mc bus
Implement bus specific support for the fsl-mc bus including registering arm_smmu_ops and bus specific device add operations. Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/fsl/mc.h')
-rw-r--r--include/linux/fsl/mc.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index f27cb14088a4..dddaca17d684 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -351,6 +351,14 @@ int mc_send_command(struct fsl_mc_io *mc_io, struct fsl_mc_command *cmd);
#define dev_is_fsl_mc(_dev) (0)
#endif
+/* Macro to check if a device is a container device */
+#define fsl_mc_is_cont_dev(_dev) (to_fsl_mc_device(_dev)->flags & \
+ FSL_MC_IS_DPRC)
+
+/* Macro to get the container device of a MC device */
+#define fsl_mc_cont_dev(_dev) (fsl_mc_is_cont_dev(_dev) ? \
+ (_dev) : (_dev)->parent)
+
/*
* module_fsl_mc_driver() - Helper macro for drivers that don't do
* anything special in module init/exit. This eliminates a lot of