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authorEddie James <eajames@linux.ibm.com>2023-06-12 22:56:44 +0300
committerJoel Stanley <joel@jms.id.au>2023-08-09 09:11:59 +0300
commitd5d8dfb01e1041836cef4d2d69b1c1c991c850fb (patch)
tree8c666d6f499e6cd2affc9a39db61427cab1ccef8 /drivers/fsi/fsi-slave.h
parent23ad7ec1ed79b270a63004f43a301591647f65e8 (diff)
downloadlinux-d5d8dfb01e1041836cef4d2d69b1c1c991c850fb.tar.xz
fsi: Move fsi_slave structure definition to header
Some FSI drivers may have need of the slave definition, so move it to a header file. Also use one macro for obtaining a pointer to the fsi_master structure. Signed-off-by: Eddie James <eajames@linux.ibm.com> Link: https://lore.kernel.org/r/20230612195657.245125-2-eajames@linux.ibm.com Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/fsi/fsi-slave.h')
-rw-r--r--drivers/fsi/fsi-slave.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/fsi/fsi-slave.h b/drivers/fsi/fsi-slave.h
new file mode 100644
index 000000000000..1d63a585829d
--- /dev/null
+++ b/drivers/fsi/fsi-slave.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (C) IBM Corporation 2023 */
+
+#ifndef DRIVERS_FSI_SLAVE_H
+#define DRIVERS_FSI_SLAVE_H
+
+#include <linux/cdev.h>
+#include <linux/device.h>
+
+struct fsi_master;
+
+struct fsi_slave {
+ struct device dev;
+ struct fsi_master *master;
+ struct cdev cdev;
+ int cdev_idx;
+ int id; /* FSI address */
+ int link; /* FSI link# */
+ u32 cfam_id;
+ int chip_id;
+ uint32_t size; /* size of slave address space */
+ u8 t_send_delay;
+ u8 t_echo_delay;
+};
+
+#define to_fsi_slave(d) container_of(d, struct fsi_slave, dev)
+
+#endif /* DRIVERS_FSI_SLAVE_H */