nsp32: switch to ->show_info()
authorAl Viro <viro@zeniv.linux.org.uk>
Sun, 31 Mar 2013 06:11:39 +0000 (02:11 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 9 Apr 2013 18:13:21 +0000 (14:13 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
drivers/scsi/nsp32.c

index 1cc0c1c69c880b1f37d0c89063beff4b5566b697..1e3879dcbdcc70d2d3b8e02d6aa341458a044843 100644 (file)
@@ -192,7 +192,7 @@ static int  __init init_nsp32  (void);
 static void __exit exit_nsp32  (void);
 
 /* struct struct scsi_host_template */
-static int         nsp32_proc_info   (struct Scsi_Host *, char *, char **, off_t, int, int);
+static int         nsp32_show_info   (struct seq_file *, struct Scsi_Host *);
 
 static int         nsp32_detect      (struct pci_dev *pdev);
 static int         nsp32_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
@@ -268,7 +268,7 @@ static void nsp32_dmessage(const char *, int, int,    char *, ...);
 static struct scsi_host_template nsp32_template = {
        .proc_name                      = "nsp32",
        .name                           = "Workbit NinjaSCSI-32Bi/UDE",
-       .proc_info                      = nsp32_proc_info,
+       .show_info                      = nsp32_show_info,
        .info                           = nsp32_info,
        .queuecommand                   = nsp32_queuecommand,
        .can_queue                      = 1,
@@ -1442,19 +1442,10 @@ static irqreturn_t do_nsp32_isr(int irq, void *dev_id)
 }
 
 #undef SPRINTF
-#define SPRINTF(args...) \
-       do { \
-               if(length > (pos - buffer)) { \
-                       pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \
-                       nsp32_dbg(NSP32_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length,  length - (pos - buffer));\
-               } \
-       } while(0)
-
-static int nsp32_proc_info(struct Scsi_Host *host, char *buffer, char **start,
-                          off_t offset, int length, int inout)
+#define SPRINTF(args...) seq_printf(m, ##args)
+
+static int nsp32_show_info(struct seq_file *m, struct Scsi_Host *host)
 {
-       char             *pos = buffer;
-       int               thislength;
        unsigned long     flags;
        nsp32_hw_data    *data;
        int               hostno;
@@ -1463,11 +1454,6 @@ static int nsp32_proc_info(struct Scsi_Host *host, char *buffer, char **start,
        int               id, speed;
        long              model;
 
-       /* Write is not supported, just return. */
-       if (inout == TRUE) {
-               return -EINVAL;
-       }
-
        hostno = host->host_no;
        data = (nsp32_hw_data *)host->hostdata;
        base = host->io_port;
@@ -1527,20 +1513,7 @@ static int nsp32_proc_info(struct Scsi_Host *host, char *buffer, char **start,
                }
                SPRINTF("\n");
        }
-
-
-       thislength = pos - (buffer + offset);
-
-       if(thislength < 0) {
-               *start = NULL;
-                return 0;
-        }
-
-
-       thislength = min(thislength, length);
-       *start = buffer + offset;
-
-       return thislength;
+       return 0;
 }
 #undef SPRINTF