From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 31 Mar 2013 07:18:35 +0000 (-0400)
Subject: eata_pio: switch to ->show_info()
X-Git-Tag: v3.12-rc1~937^2~127
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c986544562b667766f42e08a206f6c2e21d272c;p=kernel%2Fkernel-generic.git

eata_pio: switch to ->show_info()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index d5f8362..356def4 100644
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -92,58 +92,22 @@ static unsigned long queue_counter;
 
 static struct scsi_host_template driver_template;
 
-/*
- * eata_proc_info
- * inout : decides on the direction of the dataflow and the meaning of the 
- *         variables
- * buffer: If inout==FALSE data is being written to it else read from it
- * *start: If inout==FALSE start of the valid data in the buffer
- * offset: If inout==FALSE offset from the beginning of the imaginary file 
- *         from which we start writing into the buffer
- * length: If inout==FALSE max number of bytes to be written into the buffer 
- *         else number of bytes in the buffer
- */
-static int eata_pio_proc_info(struct Scsi_Host *shost, char *buffer, char **start, off_t offset,
-			      int length, int rw)
+static int eata_pio_show_info(struct seq_file *m, struct Scsi_Host *shost)
 {
-	int len = 0;
-	off_t begin = 0, pos = 0;
-
-	if (rw)
-		return -ENOSYS;
-
-	len += sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: "
+	seq_printf(m, "EATA (Extended Attachment) PIO driver version: "
 		   "%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB);
-	len += sprintf(buffer + len, "queued commands:     %10ld\n"
+	seq_printf(m, "queued commands:     %10ld\n"
 		   "processed interrupts:%10ld\n", queue_counter, int_counter);
-	len += sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n",
+	seq_printf(m, "\nscsi%-2d: HBA %.10s\n",
 		   shost->host_no, SD(shost)->name);
-	len += sprintf(buffer + len, "Firmware revision: v%s\n",
+	seq_printf(m, "Firmware revision: v%s\n",
 		   SD(shost)->revision);
-	len += sprintf(buffer + len, "IO: PIO\n");
-	len += sprintf(buffer + len, "Base IO : %#.4x\n", (u32) shost->base);
-	len += sprintf(buffer + len, "Host Bus: %s\n",
+	seq_printf(m, "IO: PIO\n");
+	seq_printf(m, "Base IO : %#.4x\n", (u32) shost->base);
+	seq_printf(m, "Host Bus: %s\n",
 		   (SD(shost)->bustype == 'P')?"PCI ":
 		   (SD(shost)->bustype == 'E')?"EISA":"ISA ");
-    
-	pos = begin + len;
-    
-	if (pos < offset) {
-		len = 0;
-		begin = pos;
-	}
-	if (pos > offset + length)
-		goto stop_output;
-    
-stop_output:
-	DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len));
-	*start = buffer + (offset - begin);   /* Start of wanted data */
-	len -= (offset - begin);            /* Start slop */
-	if (len > length)
-		len = length;               /* Ending slop */
-	DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len));
-    
-	return len;
+	return 0;
 }
 
 static int eata_pio_release(struct Scsi_Host *sh)
@@ -985,7 +949,7 @@ static int eata_pio_detect(struct scsi_host_template *tpnt)
 static struct scsi_host_template driver_template = {
 	.proc_name		= "eata_pio",
 	.name              	= "EATA (Extended Attachment) PIO driver",
-	.proc_info         	= eata_pio_proc_info,
+	.show_info         	= eata_pio_show_info,
 	.detect            	= eata_pio_detect,
 	.release           	= eata_pio_release,
 	.queuecommand      	= eata_pio_queue,