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fsi: Move fsi_slave structure definition to header

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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>
This commit is contained in:
Eddie James 2023-06-12 14:56:44 -05:00 committed by Joel Stanley
parent 23ad7ec1ed
commit d5d8dfb01e
7 changed files with 37 additions and 25 deletions
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24
drivers/fsi/fsi-core.c
View file

@ -24,6 +24,10 @@
#include <linux/uaccess.h>
#include "fsi-master.h"
#include "fsi-slave.h"
#define CREATE_TRACE_POINTS
#include <trace/events/fsi.h>
#define FSI_SLAVE_CONF_NEXT_MASK GENMASK(31, 31)
#define FSI_SLAVE_CONF_SLOTS_MASK GENMASK(23, 16)
@ -79,26 +83,6 @@ static const int engine_page_size = 0x400;
static DEFINE_IDA(master_ida);
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 CREATE_TRACE_POINTS
#include <trace/events/fsi.h>
#define to_fsi_master(d) container_of(d, struct fsi_master, dev)
#define to_fsi_slave(d) container_of(d, struct fsi_slave, dev)
static const int slave_retries = 2;
static int discard_errors;

2
drivers/fsi/fsi-master-aspeed.c
View file

@ -376,7 +376,7 @@ static int aspeed_master_break(struct fsi_master *master, int link)
static void aspeed_master_release(struct device *dev)
{
struct fsi_master_aspeed *aspeed =
to_fsi_master_aspeed(dev_to_fsi_master(dev));
to_fsi_master_aspeed(to_fsi_master(dev));
kfree(aspeed);
}

2
drivers/fsi/fsi-master-ast-cf.c
View file

@ -1190,7 +1190,7 @@ static int fsi_master_acf_gpio_release(void *data)
static void fsi_master_acf_release(struct device *dev)
{
struct fsi_master_acf *master = to_fsi_master_acf(dev_to_fsi_master(dev));
struct fsi_master_acf *master = to_fsi_master_acf(to_fsi_master(dev));
/* Cleanup, stop coprocessor */
mutex_lock(&master->lock);

2
drivers/fsi/fsi-master-gpio.c
View file

@ -761,7 +761,7 @@ static DEVICE_ATTR(external_mode, 0664,
static void fsi_master_gpio_release(struct device *dev)
{
struct fsi_master_gpio *master = to_fsi_master_gpio(dev_to_fsi_master(dev));
struct fsi_master_gpio *master = to_fsi_master_gpio(to_fsi_master(dev));
of_node_put(dev_of_node(master->dev));

2
drivers/fsi/fsi-master-hub.c
View file

@ -105,7 +105,7 @@ static int hub_master_link_enable(struct fsi_master *master, int link,
static void hub_master_release(struct device *dev)
{
struct fsi_master_hub *hub = to_fsi_master_hub(dev_to_fsi_master(dev));
struct fsi_master_hub *hub = to_fsi_master_hub(to_fsi_master(dev));
kfree(hub);
}

2
drivers/fsi/fsi-master.h
View file

@ -136,7 +136,7 @@ struct fsi_master {
u8 t_send_delay, u8 t_echo_delay);
};
#define dev_to_fsi_master(d) container_of(d, struct fsi_master, dev)
#define to_fsi_master(d) container_of(d, struct fsi_master, dev)
/**
* fsi_master registration & lifetime: the fsi_master_register() and

28
drivers/fsi/fsi-slave.h Normal file
View file

@ -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 */