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-rw-r--r--arch/powerpc/platforms/pseries/setup.c6
-rw-r--r--drivers/input/serio/i8042-io.h15
-rw-r--r--drivers/parport/parport_pc.c4
-rw-r--r--drivers/pnp/pnpbios/core.c8
-rw-r--r--include/asm-powerpc/io.h2
5 files changed, 26 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index a6398fbe530..8ed36214045 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -415,6 +415,12 @@ static int pSeries_check_legacy_ioport(unsigned int baseport)
return -ENODEV;
of_node_put(np);
break;
+ case PARALLEL_BASE:
+ np = of_find_node_by_type(NULL, "parallel");
+ if (np == NULL)
+ return -ENODEV;
+ of_node_put(np);
+ break;
}
return 0;
}
diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h
index cc21914fbc7..3b4e13b9ce1 100644
--- a/drivers/input/serio/i8042-io.h
+++ b/drivers/input/serio/i8042-io.h
@@ -67,25 +67,22 @@ static inline int i8042_platform_init(void)
* On some platforms touching the i8042 data register region can do really
* bad things. Because of this the region is always reserved on such boxes.
*/
-#if !defined(__sh__) && !defined(__alpha__) && !defined(__mips__) && !defined(CONFIG_PPC_MERGE)
- if (!request_region(I8042_DATA_REG, 16, "i8042"))
- return -EBUSY;
-#endif
-
- i8042_reset = 1;
-
#if defined(CONFIG_PPC_MERGE)
if (check_legacy_ioport(I8042_DATA_REG))
- return -EBUSY;
+ return -ENODEV;
+#endif
+#if !defined(__sh__) && !defined(__alpha__) && !defined(__mips__)
if (!request_region(I8042_DATA_REG, 16, "i8042"))
return -EBUSY;
#endif
+
+ i8042_reset = 1;
return 0;
}
static inline void i8042_platform_exit(void)
{
-#if !defined(__sh__) && !defined(__alpha__) && !defined(CONFIG_PPC64)
+#if !defined(__sh__) && !defined(__alpha__)
release_region(I8042_DATA_REG, 16);
#endif
}
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index fe800dc0be9..43894ddec7d 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -3374,6 +3374,10 @@ __setup("parport_init_mode=",parport_init_mode_setup);
static int __init parport_pc_init(void)
{
+#if defined(CONFIG_PPC_MERGE)
+ if (check_legacy_ioport(PARALLEL_BASE))
+ return -ENODEV;
+#endif
if (parse_parport_params())
return -EINVAL;
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 551f58e2981..81a6c83d89a 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -526,6 +526,10 @@ static int __init pnpbios_init(void)
{
int ret;
+#if defined(CONFIG_PPC_MERGE)
+ if (check_legacy_ioport(PNPBIOS_BASE))
+ return -ENODEV;
+#endif
if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table)) {
printk(KERN_INFO "PnPBIOS: Disabled\n");
return -ENODEV;
@@ -575,6 +579,10 @@ subsys_initcall(pnpbios_init);
static int __init pnpbios_thread_init(void)
{
+#if defined(CONFIG_PPC_MERGE)
+ if (check_legacy_ioport(PNPBIOS_BASE))
+ return 0;
+#endif
if (pnpbios_disabled)
return 0;
#ifdef CONFIG_HOTPLUG
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index 46bae1cf385..19b2ec1ec66 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -11,6 +11,8 @@
/* Check of existence of legacy devices */
extern int check_legacy_ioport(unsigned long base_port);
+#define PARALLEL_BASE 0x378
+#define PNPBIOS_BASE 0xf000 /* only relevant for PReP */
#ifndef CONFIG_PPC64
#include <asm-ppc/io.h>