diff options
author | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
commit | 4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch) | |
tree | 44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /drivers/staging/vme/vme.c | |
parent | d14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff) | |
parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
download | linux-fsl-qoriq-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.xz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/staging/vme/vme.c')
-rw-r--r-- | drivers/staging/vme/vme.c | 248 |
1 files changed, 122 insertions, 126 deletions
diff --git a/drivers/staging/vme/vme.c b/drivers/staging/vme/vme.c index 994fdb9..d6d84eb 100644 --- a/drivers/staging/vme/vme.c +++ b/drivers/staging/vme/vme.c @@ -1,8 +1,8 @@ /* * VME Bridge Framework * - * Author: Martyn Welch <martyn.welch@gefanuc.com> - * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc. + * Author: Martyn Welch <martyn.welch@ge.com> + * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc. * * Based on work by Tom Armistead and Ajit Prem * Copyright 2004 Motorola Inc. @@ -37,8 +37,8 @@ static unsigned int vme_bus_numbers; DEFINE_MUTEX(vme_bus_num_mtx); -static void __exit vme_exit (void); -static int __init vme_init (void); +static void __exit vme_exit(void); +static int __init vme_init(void); /* @@ -86,26 +86,26 @@ static struct vme_bridge *find_bridge(struct vme_resource *resource) * XXX VME bridges could be available on buses other than PCI. At the momment * this framework only supports PCI devices. */ -void * vme_alloc_consistent(struct vme_resource *resource, size_t size, +void *vme_alloc_consistent(struct vme_resource *resource, size_t size, dma_addr_t *dma) { struct vme_bridge *bridge; struct pci_dev *pdev; - if(resource == NULL) { - printk("No resource\n"); + if (resource == NULL) { + printk(KERN_ERR "No resource\n"); return NULL; } bridge = find_bridge(resource); - if(bridge == NULL) { - printk("Can't find bridge\n"); + if (bridge == NULL) { + printk(KERN_ERR "Can't find bridge\n"); return NULL; } /* Find pci_dev container of dev */ if (bridge->parent == NULL) { - printk("Dev entry NULL\n"); + printk(KERN_ERR "Dev entry NULL\n"); return NULL; } pdev = container_of(bridge->parent, struct pci_dev, dev); @@ -126,14 +126,14 @@ void vme_free_consistent(struct vme_resource *resource, size_t size, struct vme_bridge *bridge; struct pci_dev *pdev; - if(resource == NULL) { - printk("No resource\n"); + if (resource == NULL) { + printk(KERN_ERR "No resource\n"); return; } bridge = find_bridge(resource); - if(bridge == NULL) { - printk("Can't find bridge\n"); + if (bridge == NULL) { + printk(KERN_ERR "Can't find bridge\n"); return; } @@ -216,7 +216,7 @@ static int vme_check_window(vme_address_t aspace, unsigned long long vme_base, /* User Defined */ break; default: - printk("Invalid address space\n"); + printk(KERN_ERR "Invalid address space\n"); retval = -EINVAL; break; } @@ -228,7 +228,7 @@ static int vme_check_window(vme_address_t aspace, unsigned long long vme_base, * Request a slave image with specific attributes, return some unique * identifier. */ -struct vme_resource * vme_slave_request(struct device *dev, +struct vme_resource *vme_slave_request(struct device *dev, vme_address_t address, vme_cycle_t cycle) { struct vme_bridge *bridge; @@ -249,13 +249,13 @@ struct vme_resource * vme_slave_request(struct device *dev, struct vme_slave_resource, list); if (slave_image == NULL) { - printk("Registered NULL Slave resource\n"); + printk(KERN_ERR "Registered NULL Slave resource\n"); continue; } /* Find an unlocked and compatible image */ mutex_lock(&(slave_image->mtx)); - if(((slave_image->address_attr & address) == address) && + if (((slave_image->address_attr & address) == address) && ((slave_image->cycle_attr & cycle) == cycle) && (slave_image->locked == 0)) { @@ -292,7 +292,7 @@ err_bus: } EXPORT_SYMBOL(vme_slave_request); -int vme_slave_set (struct vme_resource *resource, int enabled, +int vme_slave_set(struct vme_resource *resource, int enabled, unsigned long long vme_base, unsigned long long size, dma_addr_t buf_base, vme_address_t aspace, vme_cycle_t cycle) { @@ -301,25 +301,25 @@ int vme_slave_set (struct vme_resource *resource, int enabled, int retval; if (resource->type != VME_SLAVE) { - printk("Not a slave resource\n"); + printk(KERN_ERR "Not a slave resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_slave_resource, list); if (bridge->slave_set == NULL) { - printk("Function not supported\n"); + printk(KERN_ERR "Function not supported\n"); return -ENOSYS; } - if(!(((image->address_attr & aspace) == aspace) && + if (!(((image->address_attr & aspace) == aspace) && ((image->cycle_attr & cycle) == cycle))) { - printk("Invalid attributes\n"); + printk(KERN_ERR "Invalid attributes\n"); return -EINVAL; } retval = vme_check_window(aspace, vme_base, size); - if(retval) + if (retval) return retval; return bridge->slave_set(image, enabled, vme_base, size, buf_base, @@ -327,7 +327,7 @@ int vme_slave_set (struct vme_resource *resource, int enabled, } EXPORT_SYMBOL(vme_slave_set); -int vme_slave_get (struct vme_resource *resource, int *enabled, +int vme_slave_get(struct vme_resource *resource, int *enabled, unsigned long long *vme_base, unsigned long long *size, dma_addr_t *buf_base, vme_address_t *aspace, vme_cycle_t *cycle) { @@ -335,14 +335,14 @@ int vme_slave_get (struct vme_resource *resource, int *enabled, struct vme_slave_resource *image; if (resource->type != VME_SLAVE) { - printk("Not a slave resource\n"); + printk(KERN_ERR "Not a slave resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_slave_resource, list); if (bridge->slave_get == NULL) { - printk("vme_slave_get not supported\n"); + printk(KERN_ERR "vme_slave_get not supported\n"); return -EINVAL; } @@ -356,14 +356,14 @@ void vme_slave_free(struct vme_resource *resource) struct vme_slave_resource *slave_image; if (resource->type != VME_SLAVE) { - printk("Not a slave resource\n"); + printk(KERN_ERR "Not a slave resource\n"); return; } slave_image = list_entry(resource->entry, struct vme_slave_resource, list); if (slave_image == NULL) { - printk("Can't find slave resource\n"); + printk(KERN_ERR "Can't find slave resource\n"); return; } @@ -384,7 +384,7 @@ EXPORT_SYMBOL(vme_slave_free); * Request a master image with specific attributes, return some unique * identifier. */ -struct vme_resource * vme_master_request(struct device *dev, +struct vme_resource *vme_master_request(struct device *dev, vme_address_t address, vme_cycle_t cycle, vme_width_t dwidth) { struct vme_bridge *bridge; @@ -411,7 +411,7 @@ struct vme_resource * vme_master_request(struct device *dev, /* Find an unlocked and compatible image */ spin_lock(&(master_image->lock)); - if(((master_image->address_attr & address) == address) && + if (((master_image->address_attr & address) == address) && ((master_image->cycle_attr & cycle) == cycle) && ((master_image->width_attr & dwidth) == dwidth) && (master_image->locked == 0)) { @@ -452,7 +452,7 @@ err_bus: } EXPORT_SYMBOL(vme_master_request); -int vme_master_set (struct vme_resource *resource, int enabled, +int vme_master_set(struct vme_resource *resource, int enabled, unsigned long long vme_base, unsigned long long size, vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth) { @@ -461,26 +461,26 @@ int vme_master_set (struct vme_resource *resource, int enabled, int retval; if (resource->type != VME_MASTER) { - printk("Not a master resource\n"); + printk(KERN_ERR "Not a master resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_master_resource, list); if (bridge->master_set == NULL) { - printk("vme_master_set not supported\n"); + printk(KERN_WARNING "vme_master_set not supported\n"); return -EINVAL; } - if(!(((image->address_attr & aspace) == aspace) && + if (!(((image->address_attr & aspace) == aspace) && ((image->cycle_attr & cycle) == cycle) && ((image->width_attr & dwidth) == dwidth))) { - printk("Invalid attributes\n"); + printk(KERN_WARNING "Invalid attributes\n"); return -EINVAL; } retval = vme_check_window(aspace, vme_base, size); - if(retval) + if (retval) return retval; return bridge->master_set(image, enabled, vme_base, size, aspace, @@ -488,7 +488,7 @@ int vme_master_set (struct vme_resource *resource, int enabled, } EXPORT_SYMBOL(vme_master_set); -int vme_master_get (struct vme_resource *resource, int *enabled, +int vme_master_get(struct vme_resource *resource, int *enabled, unsigned long long *vme_base, unsigned long long *size, vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth) { @@ -496,14 +496,14 @@ int vme_master_get (struct vme_resource *resource, int *enabled, struct vme_master_resource *image; if (resource->type != VME_MASTER) { - printk("Not a master resource\n"); + printk(KERN_ERR "Not a master resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_master_resource, list); if (bridge->master_get == NULL) { - printk("vme_master_set not supported\n"); + printk(KERN_WARNING "vme_master_set not supported\n"); return -EINVAL; } @@ -515,7 +515,7 @@ EXPORT_SYMBOL(vme_master_get); /* * Read data out of VME space into a buffer. */ -ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count, +ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count, loff_t offset) { struct vme_bridge *bridge = find_bridge(resource); @@ -523,12 +523,12 @@ ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count, size_t length; if (bridge->master_read == NULL) { - printk("Reading from resource not supported\n"); + printk(KERN_WARNING "Reading from resource not supported\n"); return -EINVAL; } if (resource->type != VME_MASTER) { - printk("Not a master resource\n"); + printk(KERN_ERR "Not a master resource\n"); return -EINVAL; } @@ -537,7 +537,7 @@ ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count, length = vme_get_size(resource); if (offset > length) { - printk("Invalid Offset\n"); + printk(KERN_WARNING "Invalid Offset\n"); return -EFAULT; } @@ -552,7 +552,7 @@ EXPORT_SYMBOL(vme_master_read); /* * Write data out to VME space from a buffer. */ -ssize_t vme_master_write (struct vme_resource *resource, void *buf, +ssize_t vme_master_write(struct vme_resource *resource, void *buf, size_t count, loff_t offset) { struct vme_bridge *bridge = find_bridge(resource); @@ -560,12 +560,12 @@ ssize_t vme_master_write (struct vme_resource *resource, void *buf, size_t length; if (bridge->master_write == NULL) { - printk("Writing to resource not supported\n"); + printk(KERN_WARNING "Writing to resource not supported\n"); return -EINVAL; } if (resource->type != VME_MASTER) { - printk("Not a master resource\n"); + printk(KERN_ERR "Not a master resource\n"); return -EINVAL; } @@ -574,7 +574,7 @@ ssize_t vme_master_write (struct vme_resource *resource, void *buf, length = vme_get_size(resource); if (offset > length) { - printk("Invalid Offset\n"); + printk(KERN_WARNING "Invalid Offset\n"); return -EFAULT; } @@ -588,19 +588,19 @@ EXPORT_SYMBOL(vme_master_write); /* * Perform RMW cycle to provided location. */ -unsigned int vme_master_rmw (struct vme_resource *resource, unsigned int mask, +unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask, unsigned int compare, unsigned int swap, loff_t offset) { struct vme_bridge *bridge = find_bridge(resource); struct vme_master_resource *image; if (bridge->master_rmw == NULL) { - printk("Writing to resource not supported\n"); + printk(KERN_WARNING "Writing to resource not supported\n"); return -EINVAL; } if (resource->type != VME_MASTER) { - printk("Not a master resource\n"); + printk(KERN_ERR "Not a master resource\n"); return -EINVAL; } @@ -615,14 +615,14 @@ void vme_master_free(struct vme_resource *resource) struct vme_master_resource *master_image; if (resource->type != VME_MASTER) { - printk("Not a master resource\n"); + printk(KERN_ERR "Not a master resource\n"); return; } master_image = list_entry(resource->entry, struct vme_master_resource, list); if (master_image == NULL) { - printk("Can't find master resource\n"); + printk(KERN_ERR "Can't find master resource\n"); return; } @@ -643,7 +643,7 @@ EXPORT_SYMBOL(vme_master_free); * Request a DMA controller with specific attributes, return some unique * identifier. */ -struct vme_resource *vme_dma_request(struct device *dev) +struct vme_resource *vme_dma_request(struct device *dev, vme_dma_route_t route) { struct vme_bridge *bridge; struct list_head *dma_pos = NULL; @@ -666,13 +666,15 @@ struct vme_resource *vme_dma_request(struct device *dev) struct vme_dma_resource, list); if (dma_ctrlr == NULL) { - printk("Registered NULL DMA resource\n"); + printk(KERN_ERR "Registered NULL DMA resource\n"); continue; } - /* Find an unlocked controller */ + /* Find an unlocked and compatible controller */ mutex_lock(&(dma_ctrlr->mtx)); - if(dma_ctrlr->locked == 0) { + if (((dma_ctrlr->route_attr & route) == route) && + (dma_ctrlr->locked == 0)) { + dma_ctrlr->locked = 1; mutex_unlock(&(dma_ctrlr->mtx)); allocated_ctrlr = dma_ctrlr; @@ -715,16 +717,15 @@ struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource) struct vme_dma_list *dma_list; if (resource->type != VME_DMA) { - printk("Not a DMA resource\n"); + printk(KERN_ERR "Not a DMA resource\n"); return NULL; } ctrlr = list_entry(resource->entry, struct vme_dma_resource, list); - dma_list = (struct vme_dma_list *)kmalloc( - sizeof(struct vme_dma_list), GFP_KERNEL); - if(dma_list == NULL) { - printk("Unable to allocate memory for new dma list\n"); + dma_list = kmalloc(sizeof(struct vme_dma_list), GFP_KERNEL); + if (dma_list == NULL) { + printk(KERN_ERR "Unable to allocate memory for new dma list\n"); return NULL; } INIT_LIST_HEAD(&(dma_list->entries)); @@ -744,17 +745,17 @@ struct vme_dma_attr *vme_dma_pattern_attribute(u32 pattern, struct vme_dma_attr *attributes; struct vme_dma_pattern *pattern_attr; - attributes = (struct vme_dma_attr *)kmalloc( - sizeof(struct vme_dma_attr), GFP_KERNEL); - if(attributes == NULL) { - printk("Unable to allocate memory for attributes structure\n"); + attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL); + if (attributes == NULL) { + printk(KERN_ERR "Unable to allocate memory for attributes " + "structure\n"); goto err_attr; } - pattern_attr = (struct vme_dma_pattern *)kmalloc( - sizeof(struct vme_dma_pattern), GFP_KERNEL); - if(pattern_attr == NULL) { - printk("Unable to allocate memory for pattern attributes\n"); + pattern_attr = kmalloc(sizeof(struct vme_dma_pattern), GFP_KERNEL); + if (pattern_attr == NULL) { + printk(KERN_ERR "Unable to allocate memory for pattern " + "attributes\n"); goto err_pat; } @@ -784,17 +785,17 @@ struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t address) /* XXX Run some sanity checks here */ - attributes = (struct vme_dma_attr *)kmalloc( - sizeof(struct vme_dma_attr), GFP_KERNEL); - if(attributes == NULL) { - printk("Unable to allocate memory for attributes structure\n"); + attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL); + if (attributes == NULL) { + printk(KERN_ERR "Unable to allocate memory for attributes " + "structure\n"); goto err_attr; } - pci_attr = (struct vme_dma_pci *)kmalloc(sizeof(struct vme_dma_pci), - GFP_KERNEL); - if(pci_attr == NULL) { - printk("Unable to allocate memory for pci attributes\n"); + pci_attr = kmalloc(sizeof(struct vme_dma_pci), GFP_KERNEL); + if (pci_attr == NULL) { + printk(KERN_ERR "Unable to allocate memory for pci " + "attributes\n"); goto err_pci; } @@ -824,19 +825,18 @@ struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long address, struct vme_dma_attr *attributes; struct vme_dma_vme *vme_attr; - /* XXX Run some sanity checks here */ - - attributes = (struct vme_dma_attr *)kmalloc( + attributes = kmalloc( sizeof(struct vme_dma_attr), GFP_KERNEL); - if(attributes == NULL) { - printk("Unable to allocate memory for attributes structure\n"); + if (attributes == NULL) { + printk(KERN_ERR "Unable to allocate memory for attributes " + "structure\n"); goto err_attr; } - vme_attr = (struct vme_dma_vme *)kmalloc(sizeof(struct vme_dma_vme), - GFP_KERNEL); - if(vme_attr == NULL) { - printk("Unable to allocate memory for vme attributes\n"); + vme_attr = kmalloc(sizeof(struct vme_dma_vme), GFP_KERNEL); + if (vme_attr == NULL) { + printk(KERN_ERR "Unable to allocate memory for vme " + "attributes\n"); goto err_vme; } @@ -875,12 +875,12 @@ int vme_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, int retval; if (bridge->dma_list_add == NULL) { - printk("Link List DMA generation not supported\n"); + printk(KERN_WARNING "Link List DMA generation not supported\n"); return -EINVAL; } if (!mutex_trylock(&(list->mtx))) { - printk("Link List already submitted\n"); + printk(KERN_ERR "Link List already submitted\n"); return -EINVAL; } @@ -898,7 +898,7 @@ int vme_dma_list_exec(struct vme_dma_list *list) int retval; if (bridge->dma_list_exec == NULL) { - printk("Link List DMA execution not supported\n"); + printk(KERN_ERR "Link List DMA execution not supported\n"); return -EINVAL; } @@ -918,12 +918,12 @@ int vme_dma_list_free(struct vme_dma_list *list) int retval; if (bridge->dma_list_empty == NULL) { - printk("Emptying of Link Lists not supported\n"); + printk(KERN_WARNING "Emptying of Link Lists not supported\n"); return -EINVAL; } if (!mutex_trylock(&(list->mtx))) { - printk("Link List in use\n"); + printk(KERN_ERR "Link List in use\n"); return -EINVAL; } @@ -933,7 +933,7 @@ int vme_dma_list_free(struct vme_dma_list *list) */ retval = bridge->dma_list_empty(list); if (retval) { - printk("Unable to empty link-list entries\n"); + printk(KERN_ERR "Unable to empty link-list entries\n"); mutex_unlock(&(list->mtx)); return retval; } @@ -949,19 +949,19 @@ int vme_dma_free(struct vme_resource *resource) struct vme_dma_resource *ctrlr; if (resource->type != VME_DMA) { - printk("Not a DMA resource\n"); + printk(KERN_ERR "Not a DMA resource\n"); return -EINVAL; } ctrlr = list_entry(resource->entry, struct vme_dma_resource, list); if (!mutex_trylock(&(ctrlr->mtx))) { - printk("Resource busy, can't free\n"); + printk(KERN_ERR "Resource busy, can't free\n"); return -EBUSY; } if (!(list_empty(&(ctrlr->pending)) && list_empty(&(ctrlr->running)))) { - printk("Resource still processing transfers\n"); + printk(KERN_WARNING "Resource still processing transfers\n"); mutex_unlock(&(ctrlr->mtx)); return -EBUSY; } @@ -991,7 +991,7 @@ void vme_irq_handler(struct vme_bridge *bridge, int level, int statid) EXPORT_SYMBOL(vme_irq_handler); int vme_irq_request(struct device *dev, int level, int statid, - void (*callback)(int level, int vector, void *priv_data), + void (*callback)(int, int, void *), void *priv_data) { struct vme_bridge *bridge; @@ -1002,7 +1002,7 @@ int vme_irq_request(struct device *dev, int level, int statid, return -EINVAL; } - if((level < 1) || (level > 7)) { + if ((level < 1) || (level > 7)) { printk(KERN_ERR "Invalid interrupt level\n"); return -EINVAL; } @@ -1025,7 +1025,7 @@ int vme_irq_request(struct device *dev, int level, int statid, bridge->irq[level - 1].callback[statid].func = callback; /* Enable IRQ level */ - bridge->irq_set(level, 1, 1); + bridge->irq_set(bridge, level, 1, 1); mutex_unlock(&(bridge->irq_mtx)); @@ -1043,7 +1043,7 @@ void vme_irq_free(struct device *dev, int level, int statid) return; } - if((level < 1) || (level > 7)) { + if ((level < 1) || (level > 7)) { printk(KERN_ERR "Invalid interrupt level\n"); return; } @@ -1059,7 +1059,7 @@ void vme_irq_free(struct device *dev, int level, int statid) /* Disable IRQ level if no more interrupts attached at this level*/ if (bridge->irq[level - 1].count == 0) - bridge->irq_set(level, 0, 1); + bridge->irq_set(bridge, level, 0, 1); bridge->irq[level - 1].callback[statid].func = NULL; bridge->irq[level - 1].callback[statid].priv_data = NULL; @@ -1078,17 +1078,17 @@ int vme_irq_generate(struct device *dev, int level, int statid) return -EINVAL; } - if((level < 1) || (level > 7)) { + if ((level < 1) || (level > 7)) { printk(KERN_WARNING "Invalid interrupt level\n"); return -EINVAL; } if (bridge->irq_generate == NULL) { - printk("Interrupt generation not supported\n"); + printk(KERN_WARNING "Interrupt generation not supported\n"); return -EINVAL; } - return bridge->irq_generate(level, statid); + return bridge->irq_generate(bridge, level, statid); } EXPORT_SYMBOL(vme_irq_generate); @@ -1189,8 +1189,6 @@ int vme_lm_set(struct vme_resource *resource, unsigned long long lm_base, return -EINVAL; } - /* XXX Check parameters */ - return bridge->lm_set(lm, lm_base, aspace, cycle); } EXPORT_SYMBOL(vme_lm_set); @@ -1297,11 +1295,11 @@ int vme_slot_get(struct device *bus) } if (bridge->slot_get == NULL) { - printk("vme_slot_get not supported\n"); + printk(KERN_WARNING "vme_slot_get not supported\n"); return -EINVAL; } - return bridge->slot_get(); + return bridge->slot_get(bridge); } EXPORT_SYMBOL(vme_slot_get); @@ -1331,7 +1329,7 @@ static void vme_free_bus_num(int bus) mutex_unlock(&vme_bus_num_mtx); } -int vme_register_bridge (struct vme_bridge *bridge) +int vme_register_bridge(struct vme_bridge *bridge) { struct device *dev; int retval; @@ -1358,7 +1356,7 @@ int vme_register_bridge (struct vme_bridge *bridge) dev_set_name(dev, "vme-%x.%x", bridge->num, i + 1); retval = device_register(dev); - if(retval) + if (retval) goto err_reg; } @@ -1375,7 +1373,7 @@ err_reg: } EXPORT_SYMBOL(vme_register_bridge); -void vme_unregister_bridge (struct vme_bridge *bridge) +void vme_unregister_bridge(struct vme_bridge *bridge) { int i; struct device *dev; @@ -1392,7 +1390,7 @@ EXPORT_SYMBOL(vme_unregister_bridge); /* - Driver Registration --------------------------------------------------- */ -int vme_register_driver (struct vme_driver *drv) +int vme_register_driver(struct vme_driver *drv) { drv->driver.name = drv->name; drv->driver.bus = &vme_bus_type; @@ -1401,7 +1399,7 @@ int vme_register_driver (struct vme_driver *drv) } EXPORT_SYMBOL(vme_register_driver); -void vme_unregister_driver (struct vme_driver *drv) +void vme_unregister_driver(struct vme_driver *drv) { driver_unregister(&drv->driver); } @@ -1418,10 +1416,10 @@ int vme_calc_slot(struct device *dev) /* Determine slot number */ num = 0; - while(num < VME_SLOTS_MAX) { - if(&(bridge->dev[num]) == dev) { + while (num < VME_SLOTS_MAX) { + if (&(bridge->dev[num]) == dev) break; - } + num++; } if (num == VME_SLOTS_MAX) { @@ -1437,8 +1435,8 @@ err_dev: static struct vme_driver *dev_to_vme_driver(struct device *dev) { - if(dev->driver == NULL) - printk("Bugger dev->driver is NULL\n"); + if (dev->driver == NULL) + printk(KERN_ERR "Bugger dev->driver is NULL\n"); return container_of(dev->driver, struct vme_driver, driver); } @@ -1462,7 +1460,7 @@ static int vme_bus_match(struct device *dev, struct device_driver *drv) } i = 0; - while((driver->bind_table[i].bus != 0) || + while ((driver->bind_table[i].bus != 0) || (driver->bind_table[i].slot != 0)) { if (bridge->num == driver->bind_table[i].bus) { @@ -1493,9 +1491,8 @@ static int vme_bus_probe(struct device *dev) driver = dev_to_vme_driver(dev); bridge = dev_to_bridge(dev); - if(driver->probe != NULL) { + if (driver->probe != NULL) retval = driver->probe(dev, bridge->num, vme_calc_slot(dev)); - } return retval; } @@ -1509,9 +1506,8 @@ static int vme_bus_remove(struct device *dev) driver = dev_to_vme_driver(dev); bridge = dev_to_bridge(dev); - if(driver->remove != NULL) { + if (driver->remove != NULL) retval = driver->remove(dev, bridge->num, vme_calc_slot(dev)); - } return retval; } @@ -1524,18 +1520,18 @@ struct bus_type vme_bus_type = { }; EXPORT_SYMBOL(vme_bus_type); -static int __init vme_init (void) +static int __init vme_init(void) { return bus_register(&vme_bus_type); } -static void __exit vme_exit (void) +static void __exit vme_exit(void) { bus_unregister(&vme_bus_type); } MODULE_DESCRIPTION("VME bridge driver framework"); -MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com"); +MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com"); MODULE_LICENSE("GPL"); module_init(vme_init); |