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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-28 16:34:20 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 03:22:25 -0400 |
| commit | 470feb113a23de365b6051efde0d69de86d9d2f8 (patch) | |
| tree | 046672a3e12f41d0ef2fd8ffbe82650d7f26ee2d /drivers/pnp/interface.c | |
| parent | 30c016a0c8d2aae10be6a87bb98f0e85db8b09d5 (diff) | |
| download | linux-470feb113a23de365b6051efde0d69de86d9d2f8.tar.gz linux-470feb113a23de365b6051efde0d69de86d9d2f8.tar.bz2 linux-470feb113a23de365b6051efde0d69de86d9d2f8.zip | |
PNP: reduce redundancy in pnp_set_current_resources()
Use a temporary "res" pointer to replace repeated lookups in
the pnp resource tables.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-By: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp/interface.c')
| -rw-r--r-- | drivers/pnp/interface.c | 41 |
1 files changed, 17 insertions, 24 deletions
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index cdc3ecfde6ef..1801df3db1e8 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -323,6 +323,7 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, const char *ubuf, size_t count) { struct pnp_dev *dev = to_pnp_dev(dmdev); + struct resource *res; char *buf = (void *)ubuf; int retval = 0; @@ -382,21 +383,18 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, buf += 2; while (isspace(*buf)) ++buf; - dev->res.port_resource[nport].start = - simple_strtoul(buf, &buf, 0); + res = &dev->res.port_resource[nport]; + res->start = simple_strtoul(buf, &buf, 0); while (isspace(*buf)) ++buf; if (*buf == '-') { buf += 1; while (isspace(*buf)) ++buf; - dev->res.port_resource[nport].end = - simple_strtoul(buf, &buf, 0); + res->end = simple_strtoul(buf, &buf, 0); } else - dev->res.port_resource[nport].end = - dev->res.port_resource[nport].start; - dev->res.port_resource[nport].flags = - IORESOURCE_IO; + res->end = res->start; + res->flags = IORESOURCE_IO; nport++; if (nport >= PNP_MAX_PORT) break; @@ -406,21 +404,18 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, buf += 3; while (isspace(*buf)) ++buf; - dev->res.mem_resource[nmem].start = - simple_strtoul(buf, &buf, 0); + res = &dev->res.mem_resource[nmem]; + res->start = simple_strtoul(buf, &buf, 0); while (isspace(*buf)) ++buf; if (*buf == '-') { buf += 1; while (isspace(*buf)) ++buf; - dev->res.mem_resource[nmem].end = - simple_strtoul(buf, &buf, 0); + res->end = simple_strtoul(buf, &buf, 0); } else - dev->res.mem_resource[nmem].end = - dev->res.mem_resource[nmem].start; - dev->res.mem_resource[nmem].flags = - IORESOURCE_MEM; + res->end = res->start; + res->flags = IORESOURCE_MEM; nmem++; if (nmem >= PNP_MAX_MEM) break; @@ -430,11 +425,10 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, buf += 3; while (isspace(*buf)) ++buf; - dev->res.irq_resource[nirq].start = - dev->res.irq_resource[nirq].end = + res = &dev->res.irq_resource[nirq]; + res->start = res->end = simple_strtoul(buf, &buf, 0); - dev->res.irq_resource[nirq].flags = - IORESOURCE_IRQ; + res->flags = IORESOURCE_IRQ; nirq++; if (nirq >= PNP_MAX_IRQ) break; @@ -444,11 +438,10 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, buf += 3; while (isspace(*buf)) ++buf; - dev->res.dma_resource[ndma].start = - dev->res.dma_resource[ndma].end = + res = &dev->res.dma_resource[ndma]; + res->start = res->end = simple_strtoul(buf, &buf, 0); - dev->res.dma_resource[ndma].flags = - IORESOURCE_DMA; + res->flags = IORESOURCE_DMA; ndma++; if (ndma >= PNP_MAX_DMA) break; |