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[linux,v4,07/20] fsi: Add slave defintion

Message ID 1476483282-85971-8-git-send-email-christopher.lee.bostic@gmail.com
State Changes Requested, archived
Headers show

Commit Message

christopher.lee.bostic@gmail.com Oct. 14, 2016, 10:14 p.m. UTC 
From: Jeremy Kerr <jk@ozlabs.org>

Add the initial fsi slave device, which is private to the core code.
This will be a child of the master, and parent to endpoint devices.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 drivers/fsi/fsi-core.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index db1a1ce..7df4291 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -23,6 +23,15 @@ 
 
 static atomic_t master_idx = ATOMIC_INIT(-1);
 
+struct fsi_slave {
+	struct device		dev;
+	struct fsi_master	*master;
+	int			link;
+	uint8_t			id;
+};
+
+#define to_fsi_slave(d) container_of(d, struct fsi_slave, dev)
+
 /* FSI master support */
 
 int fsi_master_register(struct fsi_master *master)