X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Finput%2Fserio%2Fhp_sdc.c;h=0d395979b2d19c2a35ddb31e6d8c915c363fcfd9;hb=4fb8af10d0fd09372d52966b76922b9e82bbc950;hp=edfedd9a166cef53a42d5c17846fe9adbb77bb21;hpb=a815752ac0ffdb910e92958d41d28f4fb28e5296;p=linux-2.6

diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index edfedd9a16..0d395979b2 100644
--- 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__)