*/
static int irq_flags(int triggering, int polarity)
{
- int flag;
if (triggering == ACPI_LEVEL_SENSITIVE) {
if (polarity == ACPI_ACTIVE_LOW)
- flag = IORESOURCE_IRQ_LOWLEVEL;
+ return IORESOURCE_IRQ_LOWLEVEL;
else
- flag = IORESOURCE_IRQ_HIGHLEVEL;
+ return IORESOURCE_IRQ_HIGHLEVEL;
} else {
if (polarity == ACPI_ACTIVE_LOW)
- flag = IORESOURCE_IRQ_LOWEDGE;
+ return IORESOURCE_IRQ_LOWEDGE;
else
- flag = IORESOURCE_IRQ_HIGHEDGE;
+ return IORESOURCE_IRQ_HIGHEDGE;
}
- return flag;
}
static void decode_irq_flags(int flag, int *triggering, int *polarity)
{
int i = 0;
int irq;
+ int p, t;
if (!valid_IRQ(gsi))
return;
while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
i < PNP_MAX_IRQ)
i++;
- if (i >= PNP_MAX_IRQ)
+ if (i >= PNP_MAX_IRQ) {
+ printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ "
+ "resources: %d \n", PNP_MAX_IRQ);
return;
+ }
+ /*
+ * in IO-APIC mode, use overrided attribute. Two reasons:
+ * 1. BIOS bug in DSDT
+ * 2. BIOS uses IO-APIC mode Interrupt Source Override
+ */
+ if (!acpi_get_override_irq(gsi, &t, &p)) {
+ t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
+ p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
+
+ if (triggering != t || polarity != p) {
+ pnp_warn("IRQ %d override to %s, %s",
+ gsi, t ? "edge":"level", p ? "low":"high");
+ triggering = t;
+ polarity = p;
+ }
+ }
res->irq_resource[i].flags = IORESOURCE_IRQ; // Also clears _UNSET flag
res->irq_resource[i].flags |= irq_flags(triggering, polarity);
}
res->dma_resource[i].start = dma;
res->dma_resource[i].end = dma;
+ } else {
+ printk(KERN_ERR "pnpacpi: exceeded the max number of DMA "
+ "resources: %d \n", PNP_MAX_DMA);
}
}
}
res->port_resource[i].start = io;
res->port_resource[i].end = io + len - 1;
+ } else {
+ printk(KERN_ERR "pnpacpi: exceeded the max number of IO "
+ "resources: %d \n", PNP_MAX_PORT);
}
}
res->mem_resource[i].start = mem;
res->mem_resource[i].end = mem + len - 1;
+ } else {
+ printk(KERN_ERR "pnpacpi: exceeded the max number of mem "
+ "resources: %d\n", PNP_MAX_MEM);
}
}
static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
void *data)
{
- struct pnp_resource_table *res_table =
- (struct pnp_resource_table *)data;
+ struct pnp_resource_table *res_table = data;
int i;
switch (res->type) {
void *data)
{
int priority = 0;
- struct acpipnp_parse_option_s *parse_data =
- (struct acpipnp_parse_option_s *)data;
+ struct acpipnp_parse_option_s *parse_data = data;
struct pnp_dev *dev = parse_data->dev;
struct pnp_option *option = parse_data->option;
static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
void *data)
{
- int *res_cnt = (int *)data;
+ int *res_cnt = data;
if (pnpacpi_supported_resource(res))
(*res_cnt)++;
static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
{
- struct acpi_resource **resource = (struct acpi_resource **)data;
+ struct acpi_resource **resource = data;
if (pnpacpi_supported_resource(res)) {
(*resource)->type = res->type;
int i = 0;
/* pnpacpi_build_resource_template allocates extra mem */
int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1;
- struct acpi_resource *resource =
- (struct acpi_resource *)buffer->pointer;
+ struct acpi_resource *resource = buffer->pointer;
int port = 0, irq = 0, dma = 0, mem = 0;
pnp_dbg("res cnt %d", res_cnt);