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path: root/drivers/pnp/system.c
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-rw-r--r--drivers/pnp/system.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index d42015c382af..fd17c7173c7b 100644
--- a/drivers/pnp/system.c
+++ b/drivers/pnp/system.c
@@ -3,7 +3,8 @@
3 * 3 *
4 * Some code is based on pnpbios_core.c 4 * Some code is based on pnpbios_core.c
5 * Copyright 2002 Adam Belay <ambx1@neo.rr.com> 5 * Copyright 2002 Adam Belay <ambx1@neo.rr.com>
6 * 6 * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
7 * Bjorn Helgaas <bjorn.helgaas@hp.com>
7 */ 8 */
8 9
9#include <linux/pnp.h> 10#include <linux/pnp.h>
@@ -21,7 +22,7 @@ static const struct pnp_device_id pnp_dev_table[] = {
21 { "", 0 } 22 { "", 0 }
22}; 23};
23 24
24static void reserve_ioport_range(char *pnpid, int start, int end) 25static void reserve_range(char *pnpid, int start, int end, int port)
25{ 26{
26 struct resource *res; 27 struct resource *res;
27 char *regionid; 28 char *regionid;
@@ -30,7 +31,10 @@ static void reserve_ioport_range(char *pnpid, int start, int end)
30 if ( regionid == NULL ) 31 if ( regionid == NULL )
31 return; 32 return;
32 snprintf(regionid, 16, "pnp %s", pnpid); 33 snprintf(regionid, 16, "pnp %s", pnpid);
33 res = request_region(start,end-start+1,regionid); 34 if (port)
35 res = request_region(start,end-start+1,regionid);
36 else
37 res = request_mem_region(start,end-start+1,regionid);
34 if ( res == NULL ) 38 if ( res == NULL )
35 kfree( regionid ); 39 kfree( regionid );
36 else 40 else
@@ -41,8 +45,8 @@ static void reserve_ioport_range(char *pnpid, int start, int end)
41 * have double reservations. 45 * have double reservations.
42 */ 46 */
43 printk(KERN_INFO 47 printk(KERN_INFO
44 "pnp: %s: ioport range 0x%x-0x%x %s reserved\n", 48 "pnp: %s: %s range 0x%x-0x%x %s reserved\n",
45 pnpid, start, end, 49 pnpid, port ? "ioport" : "iomem", start, end,
46 NULL != res ? "has been" : "could not be" 50 NULL != res ? "has been" : "could not be"
47 ); 51 );
48 52
@@ -75,13 +79,21 @@ static void reserve_resources_of_dev( struct pnp_dev *dev )
75 /* invalid endpoint */ 79 /* invalid endpoint */
76 /* Do nothing */ 80 /* Do nothing */
77 continue; 81 continue;
78 reserve_ioport_range( 82 reserve_range(
79 dev->dev.bus_id, 83 dev->dev.bus_id,
80 pnp_port_start(dev, i), 84 pnp_port_start(dev, i),
81 pnp_port_end(dev, i) 85 pnp_port_end(dev, i), 1
82 ); 86 );
83 } 87 }
84 88
89 for (i = 0; i < PNP_MAX_MEM; i++) {
90 if (!pnp_mem_valid(dev, i))
91 continue;
92
93 reserve_range(dev->dev.bus_id, pnp_mem_start(dev, i),
94 pnp_mem_end(dev, i), 0);
95 }
96
85 return; 97 return;
86} 98}
87 99