提交 c3d31e7f 编写于 作者: D Dmitry Torokhov

Input: i8042 - fix IRQ printing when either KBD or AUX port

       is absent from ACPI/PNP tables.
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
上级 8d5987a6
......@@ -258,7 +258,8 @@ static void i8042_pnp_exit(void)
static int __init i8042_pnp_init(void)
{
int result_kbd, result_aux;
int result_kbd = 0, result_aux = 0;
char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
if (i8042_nopnp) {
printk(KERN_INFO "i8042: PNP detection disabled\n");
......@@ -267,6 +268,7 @@ static int __init i8042_pnp_init(void)
if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
i8042_pnp_kbd_registered = 1;
if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
i8042_pnp_aux_registered = 1;
......@@ -280,6 +282,25 @@ static int __init i8042_pnp_init(void)
#endif
}
if (result_kbd > 0)
snprintf(kbd_irq_str, sizeof(kbd_irq_str),
"%d", i8042_pnp_kbd_irq);
if (result_aux > 0)
snprintf(aux_irq_str, sizeof(aux_irq_str),
"%d", i8042_pnp_aux_irq);
printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "",
i8042_pnp_aux_name,
i8042_pnp_data_reg, i8042_pnp_command_reg,
kbd_irq_str, (result_kbd > 0 && result_aux > 0) ? "," : "",
aux_irq_str);
#if defined(__ia64__)
if (result_aux <= 0)
i8042_noaux = 1;
#endif
if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
......@@ -295,30 +316,20 @@ static int __init i8042_pnp_init(void)
}
if (!i8042_pnp_kbd_irq) {
printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %#x\n", i8042_kbd_irq);
printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
i8042_pnp_kbd_irq = i8042_kbd_irq;
}
if (!i8042_pnp_aux_irq) {
printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %#x\n", i8042_aux_irq);
if (!i8042_noaux && !i8042_pnp_aux_irq) {
printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
i8042_pnp_aux_irq = i8042_aux_irq;
}
#if defined(__ia64__)
if (result_aux <= 0)
i8042_noaux = 1;
#endif
i8042_data_reg = i8042_pnp_data_reg;
i8042_command_reg = i8042_pnp_command_reg;
i8042_kbd_irq = i8042_pnp_kbd_irq;
i8042_aux_irq = i8042_pnp_aux_irq;
printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %d%s%d\n",
i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "", i8042_pnp_aux_name,
i8042_data_reg, i8042_command_reg, i8042_kbd_irq,
(result_aux > 0) ? "," : "", i8042_aux_irq);
return 0;
}
......
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