linux-kernel - [PATCH 06/16] drivers/fsi: Add slave definition

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Message-Id: <1481069677-53660-7-git-send-email-christopher.lee.bostic@gmail.com>
Date:   Tue,  6 Dec 2016 18:14:27 -0600
From:   Chris Bostic <christopher.lee.bostic@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
        gregkh@...uxfoundation.org, sre@...nel.org,
        mturquette@...libre.com, geert+renesas@...der.be,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Jeremy Kerr <jk@...abs.org>, joel@....id.au,
        linux-kernel@...r.kernel.org, andrew@...id.au,
        alistair@...ple.id.au, benh@...nel.crashing.org,
        Chris Bostic <cbostic@...ibm.com>
Subject: [PATCH 06/16] drivers/fsi: Add slave definition

From: Jeremy Kerr <jk@...abs.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@...abs.org>
Signed-off-by: Chris Bostic <cbostic@...ibm.com>
---
 drivers/fsi/fsi-core.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index ce9428d..60a6d91 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -21,6 +21,15 @@
 
 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)
-- 
1.8.2.2