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path: root/drivers/input/serio/hp_sdc.c
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Diffstat (limited to 'drivers/input/serio/hp_sdc.c')
-rw-r--r--drivers/input/serio/hp_sdc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index edfedd9a166c..7b233a492ad5 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -105,6 +105,10 @@ EXPORT_SYMBOL(__hp_sdc_enqueue_transaction);
105EXPORT_SYMBOL(hp_sdc_enqueue_transaction); 105EXPORT_SYMBOL(hp_sdc_enqueue_transaction);
106EXPORT_SYMBOL(hp_sdc_dequeue_transaction); 106EXPORT_SYMBOL(hp_sdc_dequeue_transaction);
107 107
108static unsigned int hp_sdc_disabled;
109module_param_named(no_hpsdc, hp_sdc_disabled, bool, 0);
110MODULE_PARM_DESC(no_hpsdc, "Do not enable HP SDC driver.");
111
108static hp_i8042_sdc hp_sdc; /* All driver state is kept in here. */ 112static hp_i8042_sdc hp_sdc; /* All driver state is kept in here. */
109 113
110/*************** primitives for use in any context *********************/ 114/*************** primitives for use in any context *********************/
@@ -980,6 +984,11 @@ static int __init hp_sdc_register(void)
980 unsigned char i; 984 unsigned char i;
981#endif 985#endif
982 986
987 if (hp_sdc_disabled) {
988 printk(KERN_WARNING PREFIX "HP SDC driver disabled by no_hpsdc=1.\n");
989 return -ENODEV;
990 }
991
983 hp_sdc.dev = NULL; 992 hp_sdc.dev = NULL;
984 hp_sdc.dev_err = 0; 993 hp_sdc.dev_err = 0;
985#if defined(__hppa__) 994#if defined(__hppa__)