37  * hp_sdc_put does all writing to the SDC.  ISR can run on a different
41  * All data coming back from the SDC is sent via interrupt and can be read
43  * The problem is with output, due to the slow clock speed of the SDC
52  * to reading data back from the SDC, but otherwise will not touch the
57  * to minimize the amount of IO needed to the SDC.  However these values
89 #define PREFIX "HP SDC: "
92 MODULE_DESCRIPTION("HP i8042-based SDC Driver");
109 MODULE_PARM_DESC(no_hpsdc, "Do not enable HP SDC driver.");
227 	/* For now we are ignoring these until we get the SDC to behave. */  in hp_sdc_isr()
261 			printk(KERN_INFO PREFIX "HP SDC reports successful PUP.\n");  in hp_sdc_isr()
879 			"HP SDC", &hp_sdc))  in hp_sdc_init()
884 			"HP SDC NMI", &hp_sdc))  in hp_sdc_init()
887 	pr_info(PREFIX "HP SDC at 0x%08lx, IRQ %d (NMI IRQ %d)\n",  in hp_sdc_init()
920 	printk(KERN_WARNING PREFIX ": %s SDC IO=0x%p IRQ=0x%x NMI=0x%x\n",  in hp_sdc_init()
941 		return 1;	/* We only expect one SDC */  in hp_sdc_init_hppa()
953 	/* after successful initialization give SDC some time to settle  in hp_sdc_init_hppa()
966 	/* do nothing if we don't have a SDC */  in hp_sdc_exit()
990 		printk(KERN_WARNING PREFIX "Error unregistering HP SDC");  in hp_sdc_exit()
1004 		printk(KERN_WARNING PREFIX "HP SDC driver disabled by no_hpsdc=1.\n");  in hp_sdc_register()
1012 		printk(KERN_WARNING PREFIX "Error registering SDC with system bus tree.\n");  in hp_sdc_register()
1029 		printk(KERN_WARNING PREFIX "No SDC found.\n");  in hp_sdc_register()
1061 		printk(KERN_INFO PREFIX "New style SDC\n");  in hp_sdc_register()
1095 		printk(KERN_INFO PREFIX "Old style SDC (1820-%s).\n",  in hp_sdc_register()