forked from luck/tmp_suning_uos_patched
sparc: convert /proc/io_map, /proc/dvma_map to seq_file
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
75d9e34698
commit
e7a088f935
@ -35,6 +35,7 @@
|
||||
#include <linux/slab.h>
|
||||
#include <linux/pci.h> /* struct pci_dev */
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/scatterlist.h>
|
||||
#include <linux/of_device.h>
|
||||
|
||||
@ -663,26 +664,33 @@ EXPORT_SYMBOL(pci_dma_sync_sg_for_device);
|
||||
|
||||
#ifdef CONFIG_PROC_FS
|
||||
|
||||
static int
|
||||
_sparc_io_get_info(char *buf, char **start, off_t fpos, int length, int *eof,
|
||||
void *data)
|
||||
static int sparc_io_proc_show(struct seq_file *m, void *v)
|
||||
{
|
||||
char *p = buf, *e = buf + length;
|
||||
struct resource *r;
|
||||
struct resource *root = m->private, *r;
|
||||
const char *nm;
|
||||
|
||||
for (r = ((struct resource *)data)->child; r != NULL; r = r->sibling) {
|
||||
if (p + 32 >= e) /* Better than nothing */
|
||||
break;
|
||||
for (r = root->child; r != NULL; r = r->sibling) {
|
||||
if ((nm = r->name) == 0) nm = "???";
|
||||
p += sprintf(p, "%016llx-%016llx: %s\n",
|
||||
seq_printf(m, "%016llx-%016llx: %s\n",
|
||||
(unsigned long long)r->start,
|
||||
(unsigned long long)r->end, nm);
|
||||
}
|
||||
|
||||
return p-buf;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sparc_io_proc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, sparc_io_proc_show, PDE(inode)->data);
|
||||
}
|
||||
|
||||
static const struct file_operations sparc_io_proc_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = sparc_io_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
#endif /* CONFIG_PROC_FS */
|
||||
|
||||
/*
|
||||
@ -707,7 +715,7 @@ static struct resource *_sparc_find_resource(struct resource *root,
|
||||
static void register_proc_sparc_ioport(void)
|
||||
{
|
||||
#ifdef CONFIG_PROC_FS
|
||||
create_proc_read_entry("io_map",0,NULL,_sparc_io_get_info,&sparc_iomap);
|
||||
create_proc_read_entry("dvma_map",0,NULL,_sparc_io_get_info,&_sparc_dvma);
|
||||
proc_create_data("io_map", 0, NULL, &sparc_io_proc_fops, &sparc_iomap);
|
||||
proc_create_data("dvma_map", 0, NULL, &sparc_io_proc_fops, &_sparc_dvma);
|
||||
#endif
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user