summaryrefslogtreecommitdiffstats
path: root/drivers/input/serio/hp_sdc.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-29 00:07:55 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-29 00:07:55 +0200
commitcb28a1bbdb4790378e7366d6c9ee1d2340b84f92 (patch)
tree316436f77dac75335fd2c3ef5f109e71606c50d3 /drivers/input/serio/hp_sdc.c
parentb6d4f7e3ef25beb8c658c97867d98883e69dc544 (diff)
parentf934fb19ef34730263e6afc01e8ec27a8a71470f (diff)
Merge branch 'linus' into core/generic-dma-coherent
Conflicts: arch/x86/Kconfig Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/input/serio/hp_sdc.c')
-rw-r--r--drivers/input/serio/hp_sdc.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index edfedd9a166..0d395979b2d 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__)