diff options
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/base.h | 3 | ||||
| -rw-r--r-- | drivers/pnp/interface.c | 1 | ||||
| -rw-r--r-- | drivers/pnp/pnpacpi/rsparser.c | 14 | ||||
| -rw-r--r-- | drivers/pnp/resource.c | 27 | ||||
| -rw-r--r-- | drivers/pnp/support.c | 4 |
5 files changed, 47 insertions, 2 deletions
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index 0b8d14050efa..0bab84ebb15d 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -166,6 +166,9 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t end, int flags); +struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev, + resource_size_t start, + resource_size_t end); extern int pnp_debug; diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index ba437b704de8..cfaf5b73540b 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -278,6 +278,7 @@ static ssize_t pnp_show_current_resources(struct device *dmdev, switch (pnp_resource_type(res)) { case IORESOURCE_IO: case IORESOURCE_MEM: + case IORESOURCE_BUS: pnp_printf(buffer, " %#llx-%#llx%s\n", (unsigned long long) res->start, (unsigned long long) res->end, diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 0d7d61da63fc..54514aa35b09 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -265,6 +265,14 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev, pnp_add_mem_resource(dev, start, end, flags); } +static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev, + u64 start, u64 len) +{ + u64 end = start + len - 1; + + pnp_add_bus_resource(dev, start, end); +} + static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev, struct acpi_resource *res) { @@ -290,6 +298,9 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev, p->minimum, p->address_length, p->granularity == 0xfff ? ACPI_DECODE_10 : ACPI_DECODE_16, window); + else if (p->resource_type == ACPI_BUS_NUMBER_RANGE) + pnpacpi_parse_allocated_busresource(dev, p->minimum, + p->address_length); } static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev, @@ -309,6 +320,9 @@ static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev, p->minimum, p->address_length, p->granularity == 0xfff ? ACPI_DECODE_10 : ACPI_DECODE_16, window); + else if (p->resource_type == ACPI_BUS_NUMBER_RANGE) + pnpacpi_parse_allocated_busresource(dev, p->minimum, + p->address_length); } static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 64d0596bafb5..5b277dbaacde 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -470,7 +470,8 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res) unsigned long pnp_resource_type(struct resource *res) { return res->flags & (IORESOURCE_IO | IORESOURCE_MEM | - IORESOURCE_IRQ | IORESOURCE_DMA); + IORESOURCE_IRQ | IORESOURCE_DMA | + IORESOURCE_BUS); } struct resource *pnp_get_resource(struct pnp_dev *dev, @@ -590,6 +591,30 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, return pnp_res; } +struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev, + resource_size_t start, + resource_size_t end) +{ + struct pnp_resource *pnp_res; + struct resource *res; + + pnp_res = pnp_new_resource(dev); + if (!pnp_res) { + dev_err(&dev->dev, "can't add resource for BUS %#llx-%#llx\n", + (unsigned long long) start, + (unsigned long long) end); + return NULL; + } + + res = &pnp_res->res; + res->flags = IORESOURCE_BUS; + res->start = start; + res->end = end; + + pnp_dbg(&dev->dev, " add %pr\n", res); + return pnp_res; +} + /* * Determine whether the specified resource is a possible configuration * for this device. diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c index 9585c1c1cc36..f5beb24d036a 100644 --- a/drivers/pnp/support.c +++ b/drivers/pnp/support.c @@ -69,8 +69,10 @@ char *pnp_resource_type_name(struct resource *res) return "irq"; case IORESOURCE_DMA: return "dma"; + case IORESOURCE_BUS: + return "bus"; } - return NULL; + return "unknown"; } void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc) |