[PATCH 17/36] ip2: Add module parameter.

From: Greg Kroah-Hartman
Date: Tue Mar 02 2010 - 18:50:20 EST


From: Rakib Mullick <rakib.mullick@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/char/ip2/ip2main.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 2913d05..c2c915a 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
--
1.7.0.1

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