提交 11db656a 编写于 作者: D David Howells 提交者: Al Viro

nubus: Don't use create_proc_read_entry()

Don't use create_proc_read_entry() as that is deprecated, but rather use
proc_create_data() and seq_file instead.
Signed-off-by: NDavid Howells <dhowells@redhat.com>
cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 77cd02c1
......@@ -19,7 +19,6 @@
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/hwtest.h>
#include <linux/proc_fs.h>
#include <asm/mac_via.h>
#include <asm/mac_oss.h>
......@@ -954,56 +953,6 @@ void __init nubus_probe_slot(int slot)
}
}
#if defined(CONFIG_PROC_FS)
/* /proc/nubus stuff */
static int sprint_nubus_board(struct nubus_board* board, char* ptr, int len)
{
if(len < 100)
return -1;
sprintf(ptr, "Slot %X: %s\n",
board->slot, board->name);
return strlen(ptr);
}
static int nubus_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int nprinted, len, begin = 0;
int size = PAGE_SIZE;
struct nubus_board* board;
len = sprintf(page, "Nubus devices found:\n");
/* Walk the list of NuBus boards */
for (board = nubus_boards; board != NULL; board = board->next)
{
nprinted = sprint_nubus_board(board, page + len, size - len);
if (nprinted < 0)
break;
len += nprinted;
if (len+begin < off) {
begin += len;
len = 0;
}
if (len+begin >= off+count)
break;
}
if (len+begin < off)
*eof = 1;
off -= begin;
*start = page + off;
len -= off;
if (len>count)
len = count;
if (len<0)
len = 0;
return len;
}
#endif
void __init nubus_scan_bus(void)
{
int slot;
......@@ -1041,11 +990,7 @@ static int __init nubus_init(void)
nubus_devices = NULL;
nubus_boards = NULL;
nubus_scan_bus();
#ifdef CONFIG_PROC_FS
create_proc_read_entry("nubus", 0, NULL, nubus_read_proc, NULL);
nubus_proc_init();
#endif
return 0;
}
......
......@@ -52,7 +52,6 @@ static int nubus_devices_proc_open(struct inode *inode, struct file *file)
}
static const struct file_operations nubus_devices_proc_fops = {
.owner = THIS_MODULE,
.open = nubus_devices_proc_open,
.read = seq_read,
.llseek = seq_lseek,
......@@ -61,6 +60,10 @@ static const struct file_operations nubus_devices_proc_fops = {
static struct proc_dir_entry *proc_bus_nubus_dir;
static const struct file_operations nubus_proc_subdir_fops = {
#warning Need to set some I/O handlers here
};
static void nubus_proc_subdir(struct nubus_dev* dev,
struct proc_dir_entry* parent,
struct nubus_dir* dir)
......@@ -73,10 +76,10 @@ static void nubus_proc_subdir(struct nubus_dev* dev,
struct proc_dir_entry* e;
sprintf(name, "%x", ent.type);
#warning Need to set some I/O handlers here
e = create_proc_read_entry(name, S_IFREG | S_IRUGO | S_IWUSR,
parent, NULL, NULL);
if (!e) return;
e = proc_create(name, S_IFREG | S_IRUGO | S_IWUSR, parent,
&nubus_proc_subdir_fops);
if (!e)
return;
}
}
......@@ -159,6 +162,73 @@ int nubus_proc_detach_device(struct nubus_dev *dev)
}
EXPORT_SYMBOL(nubus_proc_detach_device);
/*
* /proc/nubus stuff
*/
static int nubus_proc_show(struct seq_file *m, void *v)
{
const struct nubus_board *board = v;
/* Display header on line 1 */
if (v == SEQ_START_TOKEN)
seq_puts(m, "Nubus devices found:\n");
else
seq_printf(m, "Slot %X: %s\n", board->slot, board->name);
return 0;
}
static void *nubus_proc_start(struct seq_file *m, loff_t *_pos)
{
struct nubus_board *board;
unsigned pos;
if (*_pos > LONG_MAX)
return NULL;
pos = *_pos;
if (pos == 0)
return SEQ_START_TOKEN;
for (board = nubus_boards; board; board = board->next)
if (--pos == 0)
break;
return board;
}
static void *nubus_proc_next(struct seq_file *p, void *v, loff_t *_pos)
{
/* Walk the list of NuBus boards */
struct nubus_board *board = v;
++*_pos;
if (v == SEQ_START_TOKEN)
board = nubus_boards;
else if (board)
board = board->next;
return board;
}
static void nubus_proc_stop(struct seq_file *p, void *v)
{
}
static const struct seq_operations nubus_proc_seqops = {
.start = nubus_proc_start,
.next = nubus_proc_next,
.stop = nubus_proc_stop,
.show = nubus_proc_show,
};
static int nubus_proc_open(struct inode *inode, struct file *file)
{
return seq_open(file, &nubus_proc_seqops);
}
static const struct file_operations nubus_proc_fops = {
.open = nubus_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
void __init proc_bus_nubus_add_devices(void)
{
struct nubus_dev *dev;
......@@ -169,6 +239,7 @@ void __init proc_bus_nubus_add_devices(void)
void __init nubus_proc_init(void)
{
proc_create("nubus", 0, NULL, &nubus_proc_fops);
if (!MACH_IS_MAC)
return;
proc_bus_nubus_dir = proc_mkdir("bus/nubus", NULL);
......
......@@ -80,7 +80,11 @@ extern struct nubus_board* nubus_boards;
/* Generic NuBus interface functions, modelled after the PCI interface */
void nubus_scan_bus(void);
#ifdef CONFIG_PROC_FS
extern void nubus_proc_init(void);
#else
static inline void nubus_proc_init(void) {}
#endif
int get_nubus_list(char *buf);
int nubus_proc_attach_device(struct nubus_dev *dev);
int nubus_proc_detach_device(struct nubus_dev *dev);
......
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