[SCSI] gdth: kill unneeded 'irq' argument

[linux-2.6-omap-h63xx.git] / drivers / pnp / manager.c

diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index 3bda513a6bd36cb92ea092ef3fd4ae13c7a6ad19..c6b3d4e63ccc62a9ae6e4df684c016eb598fe184 100644 (file)
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -1,7 +1,7 @@
 /*
  * manager.c - Resource Management, Conflict Resolution, Activation and Disabling of Devices
  *
- * based on isapnp.c resource management (c) Jaroslav Kysela <perex@suse.cz>
+ * based on isapnp.c resource management (c) Jaroslav Kysela <perex@perex.cz>
  * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
  */
 
@@ -21,12 +21,8 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
        resource_size_t *start, *end;
        unsigned long *flags;
 
-       if (!dev || !rule)
-               return -EINVAL;
-
        if (idx >= PNP_MAX_PORT) {
-               pnp_err
-                   ("More than 4 ports is incompatible with pnp specifications.");
+               dev_err(&dev->dev, "too many I/O port resources\n");
                /* pretend we were successful so at least the manager won't try again */
                return 1;
        }
@@ -66,12 +62,8 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
        resource_size_t *start, *end;
        unsigned long *flags;
 
-       if (!dev || !rule)
-               return -EINVAL;
-
        if (idx >= PNP_MAX_MEM) {
-               pnp_err
-                   ("More than 8 mems is incompatible with pnp specifications.");
+               dev_err(&dev->dev, "too many memory resources\n");
                /* pretend we were successful so at least the manager won't try again */
                return 1;
        }
@@ -127,12 +119,8 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
                5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2
        };
 
-       if (!dev || !rule)
-               return -EINVAL;
-
        if (idx >= PNP_MAX_IRQ) {
-               pnp_err
-                   ("More than 2 irqs is incompatible with pnp specifications.");
+               dev_err(&dev->dev, "too many IRQ resources\n");
                /* pretend we were successful so at least the manager won't try again */
                return 1;
        }
@@ -170,7 +158,7 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
        return 0;
 }
 
-static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
+static void pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
 {
        resource_size_t *start, *end;
        unsigned long *flags;
@@ -181,19 +169,14 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
                1, 3, 5, 6, 7, 0, 2, 4
        };
 
-       if (!dev || !rule)
-               return -EINVAL;
-
        if (idx >= PNP_MAX_DMA) {
-               pnp_err
-                   ("More than 2 dmas is incompatible with pnp specifications.");
-               /* pretend we were successful so at least the manager won't try again */
-               return 1;
+               dev_err(&dev->dev, "too many DMA resources\n");
+               return;
        }
 
        /* check if this resource has been manually set, if so skip */
        if (!(dev->res.dma_resource[idx].flags & IORESOURCE_AUTO))
-               return 1;
+               return;
 
        start = &dev->res.dma_resource[idx].start;
        end = &dev->res.dma_resource[idx].end;
@@ -203,19 +186,17 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
        *flags |= rule->flags | IORESOURCE_DMA;
        *flags &= ~IORESOURCE_UNSET;
 
-       if (!rule->map) {
-               *flags |= IORESOURCE_DISABLED;
-               return 1;       /* skip disabled resource requests */
-       }
-
        for (i = 0; i < 8; i++) {
                if (rule->map & (1 << xtab[i])) {
                        *start = *end = xtab[i];
                        if (pnp_check_dma(dev, idx))
-                               return 1;
+                               return;
                }
        }
-       return 0;
+#ifdef MAX_DMA_CHANNELS
+       *start = *end = MAX_DMA_CHANNELS;
+#endif
+       *flags |= IORESOURCE_UNSET | IORESOURCE_DISABLED;
 }
 
 /**
@@ -342,8 +323,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum)
                        irq = irq->next;
                }
                while (dma) {
-                       if (!pnp_assign_dma(dev, dma, ndma))
-                               goto fail;
+                       pnp_assign_dma(dev, dma, ndma);
                        ndma++;
                        dma = dma->next;
                }
@@ -379,8 +359,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum)
                        irq = irq->next;
                }
                while (dma) {
-                       if (!pnp_assign_dma(dev, dma, ndma))
-                               goto fail;
+                       pnp_assign_dma(dev, dma, ndma);
                        ndma++;
                        dma = dma->next;
                }
@@ -390,7 +369,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum)
        up(&pnp_res_mutex);
        return 1;
 
-      fail:
+fail:
        pnp_clean_resource_table(&dev->res);
        up(&pnp_res_mutex);
        return 0;
@@ -410,8 +389,6 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res,
        int i;
        struct pnp_resource_table *bak;
 
-       if (!dev || !res)
-               return -EINVAL;
        if (!pnp_can_configure(dev))
                return -ENODEV;
        bak = pnp_alloc(sizeof(struct pnp_resource_table));
@@ -444,7 +421,7 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res,
        kfree(bak);
        return 0;
 
-      fail:
+fail:
        dev->res = *bak;
        up(&pnp_res_mutex);
        kfree(bak);
@@ -460,12 +437,8 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
        struct pnp_option *dep;
        int i = 1;
 
-       if (!dev)
-               return -EINVAL;
-
        if (!pnp_can_configure(dev)) {
-               pnp_dbg("Device %s does not support resource configuration.",
-                       dev->dev.bus_id);
+               dev_dbg(&dev->dev, "configuration not supported\n");
                return -ENODEV;
        }
 
@@ -482,7 +455,7 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
                } while (dep);
        }
 
-       pnp_err("Unable to assign resources to device %s.", dev->dev.bus_id);
+       dev_err(&dev->dev, "unable to assign resources\n");
        return -EBUSY;
 }
 
@@ -495,17 +468,16 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
 int pnp_start_dev(struct pnp_dev *dev)
 {
        if (!pnp_can_write(dev)) {
-               pnp_dbg("Device %s does not support activation.",
-                       dev->dev.bus_id);
+               dev_dbg(&dev->dev, "activation not supported\n");
                return -EINVAL;
        }
 
        if (dev->protocol->set(dev, &dev->res) < 0) {
-               pnp_err("Failed to activate device %s.", dev->dev.bus_id);
+               dev_err(&dev->dev, "activation failed\n");
                return -EIO;
        }
 
-       pnp_info("Device %s activated.", dev->dev.bus_id);
+       dev_info(&dev->dev, "activated\n");
        return 0;
 }
 
@@ -518,16 +490,15 @@ int pnp_start_dev(struct pnp_dev *dev)
 int pnp_stop_dev(struct pnp_dev *dev)
 {
        if (!pnp_can_disable(dev)) {
-               pnp_dbg("Device %s does not support disabling.",
-                       dev->dev.bus_id);
+               dev_dbg(&dev->dev, "disabling not supported\n");
                return -EINVAL;
        }
        if (dev->protocol->disable(dev) < 0) {
-               pnp_err("Failed to disable device %s.", dev->dev.bus_id);
+               dev_err(&dev->dev, "disable failed\n");
                return -EIO;
        }
 
-       pnp_info("Device %s disabled.", dev->dev.bus_id);
+       dev_info(&dev->dev, "disabled\n");
        return 0;
 }
 
@@ -541,8 +512,6 @@ int pnp_activate_dev(struct pnp_dev *dev)
 {
        int error;
 
-       if (!dev)
-               return -EINVAL;
        if (dev->active)
                return 0;       /* the device is already active */
 
@@ -568,8 +537,6 @@ int pnp_disable_dev(struct pnp_dev *dev)
 {
        int error;
 
-       if (!dev)
-               return -EINVAL;
        if (!dev->active)
                return 0;       /* the device is already disabled */
 
@@ -596,8 +563,6 @@ int pnp_disable_dev(struct pnp_dev *dev)
 void pnp_resource_change(struct resource *resource, resource_size_t start,
                         resource_size_t size)
 {
-       if (resource == NULL)
-               return;
        resource->flags &= ~(IORESOURCE_AUTO | IORESOURCE_UNSET);
        resource->start = start;
        resource->end = start + size - 1;