diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-28 18:34:20 -0400 |
|---|---|---|
| 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) | |
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, | |||
| 323 | const char *ubuf, size_t count) | 323 | const char *ubuf, size_t count) |
| 324 | { | 324 | { |
| 325 | struct pnp_dev *dev = to_pnp_dev(dmdev); | 325 | struct pnp_dev *dev = to_pnp_dev(dmdev); |
| 326 | struct resource *res; | ||
| 326 | char *buf = (void *)ubuf; | 327 | char *buf = (void *)ubuf; |
| 327 | int retval = 0; | 328 | int retval = 0; |
| 328 | 329 | ||
| @@ -382,21 +383,18 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, | |||
| 382 | buf += 2; | 383 | buf += 2; |
| 383 | while (isspace(*buf)) | 384 | while (isspace(*buf)) |
| 384 | ++buf; | 385 | ++buf; |
| 385 | dev->res.port_resource[nport].start = | 386 | res = &dev->res.port_resource[nport]; |
| 386 | simple_strtoul(buf, &buf, 0); | 387 | res->start = simple_strtoul(buf, &buf, 0); |
| 387 | while (isspace(*buf)) | 388 | while (isspace(*buf)) |
| 388 | ++buf; | 389 | ++buf; |
| 389 | if (*buf == '-') { | 390 | if (*buf == '-') { |
| 390 | buf += 1; | 391 | buf += 1; |
| 391 | while (isspace(*buf)) | 392 | while (isspace(*buf)) |
| 392 | ++buf; | 393 | ++buf; |
| 393 | dev->res.port_resource[nport].end = | 394 | res->end = simple_strtoul(buf, &buf, 0); |
| 394 | simple_strtoul(buf, &buf, 0); | ||
| 395 | } else | 395 | } else |
| 396 | dev->res.port_resource[nport].end = | 396 | res->end = res->start; |
| 397 | dev->res.port_resource[nport].start; | 397 | res->flags = IORESOURCE_IO; |
| 398 | dev->res.port_resource[nport].flags = | ||
| 399 | IORESOURCE_IO; | ||
| 400 | nport++; | 398 | nport++; |
| 401 | if (nport >= PNP_MAX_PORT) | 399 | if (nport >= PNP_MAX_PORT) |
| 402 | break; | 400 | break; |
| @@ -406,21 +404,18 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, | |||
| 406 | buf += 3; | 404 | buf += 3; |
| 407 | while (isspace(*buf)) | 405 | while (isspace(*buf)) |
| 408 | ++buf; | 406 | ++buf; |
| 409 | dev->res.mem_resource[nmem].start = | 407 | res = &dev->res.mem_resource[nmem]; |
| 410 | simple_strtoul(buf, &buf, 0); | 408 | res->start = simple_strtoul(buf, &buf, 0); |
| 411 | while (isspace(*buf)) | 409 | while (isspace(*buf)) |
| 412 | ++buf; | 410 | ++buf; |
| 413 | if (*buf == '-') { | 411 | if (*buf == '-') { |
| 414 | buf += 1; | 412 | buf += 1; |
| 415 | while (isspace(*buf)) | 413 | while (isspace(*buf)) |
| 416 | ++buf; | 414 | ++buf; |
| 417 | dev->res.mem_resource[nmem].end = | 415 | res->end = simple_strtoul(buf, &buf, 0); |
| 418 | simple_strtoul(buf, &buf, 0); | ||
| 419 | } else | 416 | } else |
| 420 | dev->res.mem_resource[nmem].end = | 417 | res->end = res->start; |
| 421 | dev->res.mem_resource[nmem].start; | 418 | res->flags = IORESOURCE_MEM; |
| 422 | dev->res.mem_resource[nmem].flags = | ||
| 423 | IORESOURCE_MEM; | ||
| 424 | nmem++; | 419 | nmem++; |
| 425 | if (nmem >= PNP_MAX_MEM) | 420 | if (nmem >= PNP_MAX_MEM) |
| 426 | break; | 421 | break; |
| @@ -430,11 +425,10 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, | |||
| 430 | buf += 3; | 425 | buf += 3; |
| 431 | while (isspace(*buf)) | 426 | while (isspace(*buf)) |
| 432 | ++buf; | 427 | ++buf; |
| 433 | dev->res.irq_resource[nirq].start = | 428 | res = &dev->res.irq_resource[nirq]; |
| 434 | dev->res.irq_resource[nirq].end = | 429 | res->start = res->end = |
| 435 | simple_strtoul(buf, &buf, 0); | 430 | simple_strtoul(buf, &buf, 0); |
| 436 | dev->res.irq_resource[nirq].flags = | 431 | res->flags = IORESOURCE_IRQ; |
| 437 | IORESOURCE_IRQ; | ||
| 438 | nirq++; | 432 | nirq++; |
| 439 | if (nirq >= PNP_MAX_IRQ) | 433 | if (nirq >= PNP_MAX_IRQ) |
| 440 | break; | 434 | break; |
| @@ -444,11 +438,10 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, | |||
| 444 | buf += 3; | 438 | buf += 3; |
| 445 | while (isspace(*buf)) | 439 | while (isspace(*buf)) |
| 446 | ++buf; | 440 | ++buf; |
| 447 | dev->res.dma_resource[ndma].start = | 441 | res = &dev->res.dma_resource[ndma]; |
| 448 | dev->res.dma_resource[ndma].end = | 442 | res->start = res->end = |
| 449 | simple_strtoul(buf, &buf, 0); | 443 | simple_strtoul(buf, &buf, 0); |
| 450 | dev->res.dma_resource[ndma].flags = | 444 | res->flags = IORESOURCE_DMA; |
| 451 | IORESOURCE_DMA; | ||
| 452 | ndma++; | 445 | ndma++; |
| 453 | if (ndma >= PNP_MAX_DMA) | 446 | if (ndma >= PNP_MAX_DMA) |
| 454 | break; | 447 | break; |