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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-28 16:34:35 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 03:22:28 -0400 |
| commit | dc16f5f2ede8cc2acf8ac22857a7fecf3a4296c2 (patch) | |
| tree | b4ba965b7c5e1e6011697160aa5346b63afbbbf9 /drivers/pnp/pnpbios/rsparser.c | |
| parent | dbddd0383c59d588f8db5e773b062756e39117ec (diff) | |
| download | linux-stable-dc16f5f2ede8cc2acf8ac22857a7fecf3a4296c2.tar.gz linux-stable-dc16f5f2ede8cc2acf8ac22857a7fecf3a4296c2.tar.bz2 linux-stable-dc16f5f2ede8cc2acf8ac22857a7fecf3a4296c2.zip | |
PNP: make generic pnp_add_dma_resource()
Add a pnp_add_dma_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/pnpbios/rsparser.c')
| -rw-r--r-- | drivers/pnp/pnpbios/rsparser.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index 845730c57edc..7f8d65728599 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -54,27 +54,6 @@ inline void pcibios_penalize_isa_irq(int irq, int active) * Allocated Resources */ -static void pnpbios_parse_allocated_dmaresource(struct pnp_dev *dev, int dma) -{ - struct resource *res; - int i; - - for (i = 0; i < PNP_MAX_DMA; i++) { - res = pnp_get_resource(dev, IORESOURCE_DMA, i); - if (!pnp_resource_valid(res)) - break; - } - - if (i < PNP_MAX_DMA) { - res->flags = IORESOURCE_DMA; // Also clears _UNSET flag - if (dma == -1) { - res->flags |= IORESOURCE_DISABLED; - return; - } - res->start = res->end = (unsigned long)dma; - } -} - static void pnpbios_parse_allocated_ioresource(struct pnp_dev *dev, int io, int len) { @@ -199,12 +178,15 @@ static unsigned char *pnpbios_parse_allocated_resource_data(struct pnp_dev *dev, case SMALL_TAG_DMA: if (len != 2) goto len_err; + flags = 0; io = -1; mask = p[1]; for (i = 0; i < 8; i++, mask = mask >> 1) if (mask & 0x01) io = i; - pnpbios_parse_allocated_dmaresource(dev, io); + if (io == -1) + flags = IORESOURCE_DISABLED; + pnp_add_dma_resource(dev, io, flags); break; case SMALL_TAG_PORT: |