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path: root/drivers/pnp/support.c
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Diffstat (limited to 'drivers/pnp/support.c')
-rw-r--r--drivers/pnp/support.c79
1 files changed, 35 insertions, 44 deletions
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index eb07345f5cf7..1566e4a73849 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -16,6 +16,10 @@
16 */ 16 */
17int pnp_is_active(struct pnp_dev *dev) 17int pnp_is_active(struct pnp_dev *dev)
18{ 18{
19 /*
20 * I don't think this is very reliable because pnp_disable_dev()
21 * only clears out auto-assigned resources.
22 */
19 if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 && 23 if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
20 !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 && 24 !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
21 pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1) 25 pnp_irq(dev, 0) == -1 && pnp_dma(dev, 0) == -1)
@@ -70,54 +74,41 @@ char *pnp_resource_type_name(struct resource *res)
70void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc) 74void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
71{ 75{
72#ifdef DEBUG 76#ifdef DEBUG
77 char buf[128];
78 int len = 0;
79 struct pnp_resource *pnp_res;
73 struct resource *res; 80 struct resource *res;
74 int i;
75 81
76 dev_dbg(&dev->dev, "current resources: %s\n", desc); 82 dev_dbg(&dev->dev, "current resources: %s\n", desc);
83 list_for_each_entry(pnp_res, &dev->resources, list) {
84 res = &pnp_res->res;
77 85
78 for (i = 0; i < PNP_MAX_IRQ; i++) { 86 len += snprintf(buf + len, sizeof(buf) - len, " %-3s ",
79 res = pnp_get_resource(dev, IORESOURCE_IRQ, i); 87 pnp_resource_type_name(res));
80 if (res && !(res->flags & IORESOURCE_UNSET)) 88
81 dev_dbg(&dev->dev, " irq %lld flags %#lx%s%s\n", 89 if (res->flags & IORESOURCE_DISABLED) {
82 (unsigned long long) res->start, res->flags, 90 dev_dbg(&dev->dev, "%sdisabled\n", buf);
83 res->flags & IORESOURCE_DISABLED ? 91 continue;
84 " DISABLED" : "", 92 }
85 res->flags & IORESOURCE_AUTO ? 93
86 " AUTO" : ""); 94 switch (pnp_resource_type(res)) {
87 } 95 case IORESOURCE_IO:
88 for (i = 0; i < PNP_MAX_DMA; i++) { 96 case IORESOURCE_MEM:
89 res = pnp_get_resource(dev, IORESOURCE_DMA, i); 97 len += snprintf(buf + len, sizeof(buf) - len,
90 if (res && !(res->flags & IORESOURCE_UNSET)) 98 "%#llx-%#llx flags %#lx",
91 dev_dbg(&dev->dev, " dma %lld flags %#lx%s%s\n", 99 (unsigned long long) res->start,
92 (unsigned long long) res->start, res->flags, 100 (unsigned long long) res->end,
93 res->flags & IORESOURCE_DISABLED ? 101 res->flags);
94 " DISABLED" : "", 102 break;
95 res->flags & IORESOURCE_AUTO ? 103 case IORESOURCE_IRQ:
96 " AUTO" : ""); 104 case IORESOURCE_DMA:
97 } 105 len += snprintf(buf + len, sizeof(buf) - len,
98 for (i = 0; i < PNP_MAX_PORT; i++) { 106 "%lld flags %#lx",
99 res = pnp_get_resource(dev, IORESOURCE_IO, i); 107 (unsigned long long) res->start,
100 if (res && !(res->flags & IORESOURCE_UNSET)) 108 res->flags);
101 dev_dbg(&dev->dev, " io %#llx-%#llx flags %#lx" 109 break;
102 "%s%s\n", 110 }
103 (unsigned long long) res->start, 111 dev_dbg(&dev->dev, "%s\n", buf);
104 (unsigned long long) res->end, res->flags,
105 res->flags & IORESOURCE_DISABLED ?
106 " DISABLED" : "",
107 res->flags & IORESOURCE_AUTO ?
108 " AUTO" : "");
109 }
110 for (i = 0; i < PNP_MAX_MEM; i++) {
111 res = pnp_get_resource(dev, IORESOURCE_MEM, i);
112 if (res && !(res->flags & IORESOURCE_UNSET))
113 dev_dbg(&dev->dev, " mem %#llx-%#llx flags %#lx"
114 "%s%s\n",
115 (unsigned long long) res->start,
116 (unsigned long long) res->end, res->flags,
117 res->flags & IORESOURCE_DISABLED ?
118 " DISABLED" : "",
119 res->flags & IORESOURCE_AUTO ?
120 " AUTO" : "");
121 } 112 }
122#endif 113#endif
123} 114}