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Subject[PATCH 8/26] i8042 - fix IRQ printing when either KBD or AUX port
Date
From
Subject: [PATCH] Input: i8042 - fix IRQ printing when either KBD or AUX port
From: Dmitry Torokhov <dtor_core@ameritech.net>
Date: 1125816111 -0500
is absent from ACPI/PNP tables.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

---
drivers/input/serio/i8042-x86ia64io.h | 39 +++++++++++++++++++++------------
1 files changed, 25 insertions(+), 14 deletions(-)
c3d31e7f9a94800ba895a081e143e79954f6c62f
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -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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