diff options
Diffstat (limited to 'drivers/pnp/isapnp')
| -rw-r--r-- | drivers/pnp/isapnp/core.c | 66 |
1 files changed, 29 insertions, 37 deletions
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index f08399497e4..a3f1566ccea 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -929,62 +929,54 @@ EXPORT_SYMBOL(isapnp_cfg_begin); EXPORT_SYMBOL(isapnp_cfg_end); EXPORT_SYMBOL(isapnp_write_byte); -static int isapnp_read_resources(struct pnp_dev *dev) +static int isapnp_get_resources(struct pnp_dev *dev) { struct pnp_resource *pnp_res; - int tmp, ret; + int i, ret; + dev_dbg(&dev->dev, "get resources\n"); + pnp_init_resources(dev); + isapnp_cfg_begin(dev->card->number, dev->number); dev->active = isapnp_read_byte(ISAPNP_CFG_ACTIVATE); - if (dev->active) { - for (tmp = 0; tmp < ISAPNP_MAX_PORT; tmp++) { - ret = isapnp_read_word(ISAPNP_CFG_PORT + (tmp << 1)); - if (!ret) - continue; + if (!dev->active) + goto __end; + + for (i = 0; i < ISAPNP_MAX_PORT; i++) { + ret = isapnp_read_word(ISAPNP_CFG_PORT + (i << 1)); + if (ret) { pnp_res = pnp_add_io_resource(dev, ret, ret, 0); if (pnp_res) - pnp_res->index = tmp; + pnp_res->index = i; } - for (tmp = 0; tmp < ISAPNP_MAX_MEM; tmp++) { - ret = - isapnp_read_word(ISAPNP_CFG_MEM + (tmp << 3)) << 8; - if (!ret) - continue; + } + for (i = 0; i < ISAPNP_MAX_MEM; i++) { + ret = isapnp_read_word(ISAPNP_CFG_MEM + (i << 3)) << 8; + if (ret) { pnp_res = pnp_add_mem_resource(dev, ret, ret, 0); if (pnp_res) - pnp_res->index = tmp; + pnp_res->index = i; } - for (tmp = 0; tmp < ISAPNP_MAX_IRQ; tmp++) { - ret = - (isapnp_read_word(ISAPNP_CFG_IRQ + (tmp << 1)) >> - 8); - if (!ret) - continue; + } + for (i = 0; i < ISAPNP_MAX_IRQ; i++) { + ret = isapnp_read_word(ISAPNP_CFG_IRQ + (i << 1)) >> 8; + if (ret) { pnp_res = pnp_add_irq_resource(dev, ret, 0); if (pnp_res) - pnp_res->index = tmp; + pnp_res->index = i; } - for (tmp = 0; tmp < ISAPNP_MAX_DMA; tmp++) { - ret = isapnp_read_byte(ISAPNP_CFG_DMA + tmp); - if (ret == 4) - continue; + } + for (i = 0; i < ISAPNP_MAX_DMA; i++) { + ret = isapnp_read_byte(ISAPNP_CFG_DMA + i); + if (ret != 4) { pnp_res = pnp_add_dma_resource(dev, ret, 0); if (pnp_res) - pnp_res->index = tmp; + pnp_res->index = i; } } - return 0; -} -static int isapnp_get_resources(struct pnp_dev *dev) -{ - int ret; - - dev_dbg(&dev->dev, "get resources\n"); - pnp_init_resources(dev); - isapnp_cfg_begin(dev->card->number, dev->number); - ret = isapnp_read_resources(dev); +__end: isapnp_cfg_end(); - return ret; + return 0; } static int isapnp_set_resources(struct pnp_dev *dev) |