Signed-off-by: Alexey Dobriyan
---

arch/arm/kernel/ecard.c | 54 +++++++++++++++++++++++-------------------------
1 file changed, 26 insertions(+), 28 deletions(-)

--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -37,6 +37,7 @@
#include
#include
#include
+#include
#include
#include
#include
@@ -723,17 +724,14 @@ unsigned int __ecard_address(ecard_t *ec, card_type_t type, card_speed_t speed)
return address;
}

-static int ecard_prints(char *buffer, ecard_t *ec)
+static int ecard_prints(struct seq_file *m, ecard_t *ec)
{
- char *start = buffer;
-
- buffer += sprintf(buffer, " %d: %s ", ec->slot_no,
- ec->easi ? "EASI" : " ");
+ seq_printf(m, " %d: %s ", ec->slot_no, ec->easi ? "EASI" : " ");

if (ec->cid.id == 0) {
struct in_chunk_dir incd;

- buffer += sprintf(buffer, "[%04X:%04X] ",
+ seq_printf(m, "[%04X:%04X] ",
ec->cid.manufacturer, ec->cid.product);

if (!ec->card_desc && ec->cid.cd &&
@@ -744,43 +742,43 @@ static int ecard_prints(char *buffer, ecard_t *ec)
strcpy((char *)ec->card_desc, incd.d.string);
}

- buffer += sprintf(buffer, "%s\n", ec->card_desc ? ec->card_desc : "*unknown*");
+ seq_printf(m, "%s\n", ec->card_desc ? ec->card_desc : "*unknown*");
} else
- buffer += sprintf(buffer, "Simple card %d\n", ec->cid.id);
+ seq_printf(m, "Simple card %d\n", ec->cid.id);

- return buffer - start;
+ return 0;
}

-static int get_ecard_dev_info(char *buf, char **start, off_t pos, int count)
+static int ecard_devices_proc_show(struct seq_file *m, void *v)
{
ecard_t *ec = cards;
- off_t at = 0;
- int len, cnt;
-
- cnt = 0;
- while (ec && count > cnt) {
- len = ecard_prints(buf, ec);
- at += len;
- if (at >= pos) {
- if (!*start) {
- *start = buf + (pos - (at - len));
- cnt = at - pos;
- } else
- cnt += len;
- buf += len;
- }
+
+ while (ec) {
+ ecard_prints(m, ec);
ec = ec->next;
}
- return (count > cnt) ? cnt : count;
+ return 0;
}

+static int ecard_devices_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ecard_devices_proc_show, NULL);
+}
+
+static const struct file_operations bus_ecard_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = ecard_devices_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static struct proc_dir_entry *proc_bus_ecard_dir = NULL;

static void ecard_proc_init(void)
{
proc_bus_ecard_dir = proc_mkdir("bus/ecard", NULL);
- create_proc_info_entry("devices", 0, proc_bus_ecard_dir,
- get_ecard_dev_info);
+ proc_create("devices", 0, proc_bus_ecard_dir, &bus_ecard_proc_fops);
}

#define ec_set_resource(ec,nr,st,sz) \
--
1.5.4.3

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