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[v2,04/18] drivers/fsi: Add slave definition

Message ID 1484259928-79186-1-git-send-email-christopher.lee.bostic@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Bostic Jan. 12, 2017, 10:25 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>
Signed-off-by: Chris Bostic <cbostic@us.ibm.com>
---
 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 c7469fe..78d9c558 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -22,6 +22,15 @@ 
 
 static DEFINE_IDA(master_ida);
 
+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)