diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-29 02:34:36 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 11:22:29 +0400 |
| commit | cc8c2e308194f0997c718c7c735550ff06754d20 (patch) | |
| tree | 1464d278291fd285653ff026f62c5f4f6d75286c /drivers/pnp/pnpacpi/rsparser.c | |
| parent | dc16f5f2ede8cc2acf8ac22857a7fecf3a4296c2 (diff) | |
| download | linux-cc8c2e308194f0997c718c7c735550ff06754d20.tar.xz | |
PNP: make generic pnp_add_io_resource()
Add a pnp_add_io_resource() that can be used by all the PNP
backends. This consolidates a little more pnp_resource_table
knowledge into one place.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp/pnpacpi/rsparser.c')
| -rw-r--r-- | drivers/pnp/pnpacpi/rsparser.c | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index fc7cf73b7a7e..d3ca8e035c19 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -158,33 +158,18 @@ static int dma_flags(int type, int bus_master, int transfer) return flags; } -static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, - u64 io, u64 len, int io_decode) +static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start, + u64 len, int io_decode) { - struct resource *res; - int i; - static unsigned char warned; + int flags = 0; + u64 end = start + len - 1; - for (i = 0; i < PNP_MAX_PORT; i++) { - res = pnp_get_resource(dev, IORESOURCE_IO, i); - if (!pnp_resource_valid(res)) - break; - } - if (i < PNP_MAX_PORT) { - res->flags = IORESOURCE_IO; // Also clears _UNSET flag - if (io_decode == ACPI_DECODE_16) - res->flags |= PNP_PORT_FLAG_16BITADDR; - if (len <= 0 || (io + len - 1) >= 0x10003) { - res->flags |= IORESOURCE_DISABLED; - return; - } - res->start = io; - res->end = io + len - 1; - } else if (!warned) { - printk(KERN_WARNING "pnpacpi: exceeded the max number of IO " - "resources: %d \n", PNP_MAX_PORT); - warned = 1; - } + if (io_decode == ACPI_DECODE_16) + flags |= PNP_PORT_FLAG_16BITADDR; + if (len == 0 || end >= 0x10003) + flags |= IORESOURCE_DISABLED; + + pnp_add_io_resource(dev, start, end, flags); } static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev, |