ip2: Add module parameter.

Stephen Rothwell found the following warning (x86_64 allmodconfig):

drivers/char/ip2/ip2main.c:511: warning: 'ip2_setup' defined but not used

This patch adds module parameter to fix the above warning.


Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 2913d05e8257..c2c915a97667 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -208,6 +208,7 @@ static int DumpFifoBuffer( char __user *, int);
 
 static void ip2_init_board(int, const struct firmware *);
 static unsigned short find_eisa_board(int);
+static int ip2_setup(char *str);
 
 /***************/
 /* Static Data */
@@ -285,7 +286,10 @@ MODULE_AUTHOR("Doug McNash");
 MODULE_DESCRIPTION("Computone IntelliPort Plus Driver");
 MODULE_LICENSE("GPL");
 
+#define MAX_CMD_STR     50
+
 static int poll_only;
+static char cmd[MAX_CMD_STR];
 
 static int Eisa_irq;
 static int Eisa_slot;
@@ -309,6 +313,8 @@ module_param_array(io, int, NULL, 0);
 MODULE_PARM_DESC(io, "I/O ports for IntelliPort Cards");
 module_param(poll_only, bool, 0);
 MODULE_PARM_DESC(poll_only, "Do not use card interrupts");
+module_param_string(ip2, cmd, MAX_CMD_STR, 0);
+MODULE_PARM_DESC(ip2, "Contains module parameter passed with 'ip2='");
 
 /* for sysfs class support */
 static struct class *ip2_class;
@@ -538,12 +544,19 @@ static int __init ip2_loadmain(void)
         i2eBordStrPtr pB = NULL;
         int rc = -1;
         const struct firmware *fw = NULL;
+        char *str;
+
+        str = cmd;
 
         if (poll_only) {
                 /* Hard lock the interrupts to zero */
                 irq[0] = irq[1] = irq[2] = irq[3] = poll_only = 0;
         }
 
+        /* Check module parameter with 'ip2=' has been passed or not */
+        if (!poll_only && (!strncmp(str, "ip2=", 4)))
+                ip2_setup(str);
+
         ip2trace(ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0);
 
         /* process command line arguments to modprobe or