[POWERPC] Sky Cpu and Nexus: use seq_file/single_open on proc interface
This patch changes proc interface to be used with single_file/seq_open
calls.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c
index cc81853..2887b21 100644
--- a/drivers/misc/hdpuftrs/hdpu_nexus.c
+++ b/drivers/misc/hdpuftrs/hdpu_nexus.c
@@ -18,18 +18,38 @@
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/hdpu_features.h>
-
#include <linux/platform_device.h>
+#include <linux/seq_file.h>
#include <asm/io.h>
static int hdpu_nexus_probe(struct platform_device *pdev);
static int hdpu_nexus_remove(struct platform_device *pdev);
+static int hdpu_slot_id_open(struct inode *inode, struct file *file);
+static int hdpu_slot_id_read(struct seq_file *seq, void *offset);
+static int hdpu_chassis_id_open(struct inode *inode, struct file *file);
+static int hdpu_chassis_id_read(struct seq_file *seq, void *offset);
static struct proc_dir_entry *hdpu_slot_id;
static struct proc_dir_entry *hdpu_chassis_id;
static int slot_id = -1;
static int chassis_id = -1;
+static const struct file_operations proc_slot_id = {
+ .open = hdpu_slot_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static const struct file_operations proc_chassis_id = {
+ .open = hdpu_chassis_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
static struct platform_driver hdpu_nexus_driver = {
.probe = hdpu_nexus_probe,
.remove = hdpu_nexus_remove,
@@ -38,22 +58,26 @@
},
};
-int hdpu_slot_id_read(char *buffer, char **buffer_location, off_t offset,
- int buffer_length, int *zero, void *ptr)
+static int hdpu_slot_id_open(struct inode *inode, struct file *file)
{
- if (offset > 0)
- return 0;
-
- return sprintf(buffer, "%d\n", slot_id);
+ return single_open(file, hdpu_slot_id_read, NULL);
}
-int hdpu_chassis_id_read(char *buffer, char **buffer_location, off_t offset,
- int buffer_length, int *zero, void *ptr)
+static int hdpu_slot_id_read(struct seq_file *seq, void *offset)
{
- if (offset > 0)
- return 0;
+ seq_printf(seq, "%d\n", slot_id);
+ return 0;
+}
- return sprintf(buffer, "%d\n", chassis_id);
+static int hdpu_chassis_id_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, hdpu_chassis_id_read, NULL);
+}
+
+static int hdpu_chassis_id_read(struct seq_file *seq, void *offset)
+{
+ seq_printf(seq, "%d\n", chassis_id);
+ return 0;
}
static int hdpu_nexus_probe(struct platform_device *pdev)
@@ -82,7 +106,8 @@
printk(KERN_WARNING "sky_nexus: "
"Unable to create proc dir entry: sky_slot_id\n");
} else {
- hdpu_slot_id->read_proc = hdpu_slot_id_read;
+ hdpu_slot_id->proc_fops = &proc_slot_id;
+ hdpu_slot_id->owner = THIS_MODULE;
}
hdpu_chassis_id = create_proc_entry("sky_chassis_id", 0666, &proc_root);
@@ -90,7 +115,8 @@
printk(KERN_WARNING "sky_nexus: "
"Unable to create proc dir entry: sky_chassis_id\n");
} else {
- hdpu_chassis_id->read_proc = hdpu_chassis_id_read;
+ hdpu_chassis_id->proc_fops = &proc_chassis_id;
+ hdpu_chassis_id->owner = THIS_MODULE;
}
return 0;