Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

[linux-2.6] / drivers / input / serio / hp_sdc.c

diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index edfedd9a166cef53a42d5c17846fe9adbb77bb21..0d395979b2d19c2a35ddb31e6d8c915c363fcfd9 100644 (file)
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -67,9 +67,9 @@
 #include <linux/module.h>
 #include <linux/ioport.h>
 #include <linux/time.h>
+#include <linux/semaphore.h>
 #include <linux/slab.h>
 #include <linux/hil.h>
-#include <linux/semaphore.h>
 #include <asm/io.h>
 #include <asm/system.h>
 
@@ -105,6 +105,10 @@ EXPORT_SYMBOL(__hp_sdc_enqueue_transaction);
 EXPORT_SYMBOL(hp_sdc_enqueue_transaction);
 EXPORT_SYMBOL(hp_sdc_dequeue_transaction);
 
+static unsigned int hp_sdc_disabled;
+module_param_named(no_hpsdc, hp_sdc_disabled, bool, 0);
+MODULE_PARM_DESC(no_hpsdc, "Do not enable HP SDC driver.");
+
 static hp_i8042_sdc    hp_sdc; /* All driver state is kept in here. */
 
 /*************** primitives for use in any context *********************/
@@ -980,6 +984,11 @@ static int __init hp_sdc_register(void)
        unsigned char i;
 #endif
 
+       if (hp_sdc_disabled) {
+               printk(KERN_WARNING PREFIX "HP SDC driver disabled by no_hpsdc=1.\n");
+               return -ENODEV;
+       }
+
        hp_sdc.dev = NULL;
        hp_sdc.dev_err = 0;
 #if defined(__hppa__)