diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/vme/bridges/vme_tsi148.c | 264 |
1 files changed, 133 insertions, 131 deletions
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c index 492ddb2d5108..26ea42fa784d 100644 --- a/drivers/staging/vme/bridges/vme_tsi148.c +++ b/drivers/staging/vme/bridges/vme_tsi148.c @@ -46,7 +46,7 @@ static int geoid; static char driver_name[] = "vme_tsi148"; -static const struct pci_device_id tsi148_ids[] = { +static DEFINE_PCI_DEVICE_TABLE(tsi148_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_TSI148) }, { }, }; @@ -81,11 +81,11 @@ static u32 tsi148_DMA_irqhandler(struct tsi148_driver *bridge, u32 serviced = 0; if (channel_mask & TSI148_LCSR_INTS_DMA0S) { - wake_up(&(bridge->dma_queue[0])); + wake_up(&bridge->dma_queue[0]); serviced |= TSI148_LCSR_INTC_DMA0C; } if (channel_mask & TSI148_LCSR_INTS_DMA1S) { - wake_up(&(bridge->dma_queue[1])); + wake_up(&bridge->dma_queue[1]); serviced |= TSI148_LCSR_INTC_DMA1C; } @@ -191,7 +191,7 @@ static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge) if (error) { error->address = error_addr; error->attributes = error_attrib; - list_add_tail(&(error->list), &(tsi148_bridge->vme_errors)); + list_add_tail(&error->list, &tsi148_bridge->vme_errors); } else { dev_err(tsi148_bridge->parent, "Unable to alloc memory for " "VMEbus Error reporting\n"); @@ -210,7 +210,7 @@ static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge) */ static u32 tsi148_IACK_irqhandler(struct tsi148_driver *bridge) { - wake_up(&(bridge->iack_queue)); + wake_up(&bridge->iack_queue); return TSI148_LCSR_INTC_IACKC; } @@ -320,9 +320,9 @@ static int tsi148_irq_init(struct vme_bridge *tsi148_bridge) bridge = tsi148_bridge->driver_priv; /* Initialise list for VME bus errors */ - INIT_LIST_HEAD(&(tsi148_bridge->vme_errors)); + INIT_LIST_HEAD(&tsi148_bridge->vme_errors); - mutex_init(&(tsi148_bridge->irq_mtx)); + mutex_init(&tsi148_bridge->irq_mtx); result = request_irq(pdev->irq, tsi148_irqhandler, @@ -374,8 +374,11 @@ static int tsi148_irq_init(struct vme_bridge *tsi148_bridge) return 0; } -static void tsi148_irq_exit(struct tsi148_driver *bridge, struct pci_dev *pdev) +static void tsi148_irq_exit(struct vme_bridge *tsi148_bridge, + struct pci_dev *pdev) { + struct tsi148_driver *bridge = tsi148_bridge->driver_priv; + /* Turn off interrupts */ iowrite32be(0x0, bridge->base + TSI148_LCSR_INTEO); iowrite32be(0x0, bridge->base + TSI148_LCSR_INTEN); @@ -384,13 +387,13 @@ static void tsi148_irq_exit(struct tsi148_driver *bridge, struct pci_dev *pdev) iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_INTC); /* Detach interrupt handler */ - free_irq(pdev->irq, pdev); + free_irq(pdev->irq, tsi148_bridge); } /* * Check to see if an IACk has been received, return true (1) or false (0). */ -int tsi148_iack_received(struct tsi148_driver *bridge) +static int tsi148_iack_received(struct tsi148_driver *bridge) { u32 tmp; @@ -405,7 +408,7 @@ int tsi148_iack_received(struct tsi148_driver *bridge) /* * Configure VME interrupt */ -void tsi148_irq_set(struct vme_bridge *tsi148_bridge, int level, +static void tsi148_irq_set(struct vme_bridge *tsi148_bridge, int level, int state, int sync) { struct pci_dev *pdev; @@ -445,14 +448,15 @@ void tsi148_irq_set(struct vme_bridge *tsi148_bridge, int level, * Generate a VME bus interrupt at the requested level & vector. Wait for * interrupt to be acked. */ -int tsi148_irq_generate(struct vme_bridge *tsi148_bridge, int level, int statid) +static int tsi148_irq_generate(struct vme_bridge *tsi148_bridge, int level, + int statid) { u32 tmp; struct tsi148_driver *bridge; bridge = tsi148_bridge->driver_priv; - mutex_lock(&(bridge->vme_int)); + mutex_lock(&bridge->vme_int); /* Read VICR register */ tmp = ioread32be(bridge->base + TSI148_LCSR_VICR); @@ -470,7 +474,7 @@ int tsi148_irq_generate(struct vme_bridge *tsi148_bridge, int level, int statid) wait_event_interruptible(bridge->iack_queue, tsi148_iack_received(bridge)); - mutex_unlock(&(bridge->vme_int)); + mutex_unlock(&bridge->vme_int); return 0; } @@ -496,7 +500,7 @@ static struct vme_bus_error *tsi148_find_error(struct vme_bridge *tsi148_bridge, */ err_pos = NULL; /* Iterate through errors */ - list_for_each(err_pos, &(tsi148_bridge->vme_errors)) { + list_for_each(err_pos, &tsi148_bridge->vme_errors) { vme_err = list_entry(err_pos, struct vme_bus_error, list); if ((vme_err->address >= address) && (vme_err->address < bound)) { @@ -530,7 +534,7 @@ static void tsi148_clear_errors(struct vme_bridge *tsi148_bridge, */ err_pos = NULL; /* Iterate through errors */ - list_for_each_safe(err_pos, temp, &(tsi148_bridge->vme_errors)) { + list_for_each_safe(err_pos, temp, &tsi148_bridge->vme_errors) { vme_err = list_entry(err_pos, struct vme_bus_error, list); if ((vme_err->address >= address) && @@ -545,7 +549,7 @@ static void tsi148_clear_errors(struct vme_bridge *tsi148_bridge, /* * Initialize a slave window with the requested attributes. */ -int tsi148_slave_set(struct vme_slave_resource *image, int enabled, +static int tsi148_slave_set(struct vme_slave_resource *image, int enabled, unsigned long long vme_base, unsigned long long size, dma_addr_t pci_base, vme_address_t aspace, vme_cycle_t cycle) { @@ -695,7 +699,7 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled, /* * Get slave window configuration. */ -int tsi148_slave_get(struct vme_slave_resource *image, int *enabled, +static int tsi148_slave_get(struct vme_slave_resource *image, int *enabled, unsigned long long *vme_base, unsigned long long *size, dma_addr_t *pci_base, vme_address_t *aspace, vme_cycle_t *cycle) { @@ -819,8 +823,8 @@ static int tsi148_alloc_resource(struct vme_master_resource *image, image->kern_base = NULL; if (image->bus_resource.name != NULL) kfree(image->bus_resource.name); - release_resource(&(image->bus_resource)); - memset(&(image->bus_resource), 0, sizeof(struct resource)); + release_resource(&image->bus_resource); + memset(&image->bus_resource, 0, sizeof(struct resource)); } /* Exit here if size is zero */ @@ -845,7 +849,7 @@ static int tsi148_alloc_resource(struct vme_master_resource *image, image->bus_resource.flags = IORESOURCE_MEM; retval = pci_bus_alloc_resource(pdev->bus, - &(image->bus_resource), size, size, PCIBIOS_MIN_MEM, + &image->bus_resource, size, size, PCIBIOS_MIN_MEM, 0, NULL, NULL); if (retval) { dev_err(tsi148_bridge->parent, "Failed to allocate mem " @@ -868,10 +872,10 @@ static int tsi148_alloc_resource(struct vme_master_resource *image, iounmap(image->kern_base); image->kern_base = NULL; err_remap: - release_resource(&(image->bus_resource)); + release_resource(&image->bus_resource); err_resource: kfree(image->bus_resource.name); - memset(&(image->bus_resource), 0, sizeof(struct resource)); + memset(&image->bus_resource, 0, sizeof(struct resource)); err_name: return retval; } @@ -883,15 +887,15 @@ static void tsi148_free_resource(struct vme_master_resource *image) { iounmap(image->kern_base); image->kern_base = NULL; - release_resource(&(image->bus_resource)); + release_resource(&image->bus_resource); kfree(image->bus_resource.name); - memset(&(image->bus_resource), 0, sizeof(struct resource)); + memset(&image->bus_resource, 0, sizeof(struct resource)); } /* * Set the attributes of an outbound window. */ -int tsi148_master_set(struct vme_master_resource *image, int enabled, +static int tsi148_master_set(struct vme_master_resource *image, int enabled, unsigned long long vme_base, unsigned long long size, vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth) { @@ -924,7 +928,7 @@ int tsi148_master_set(struct vme_master_resource *image, int enabled, goto err_window; } - spin_lock(&(image->lock)); + spin_lock(&image->lock); /* Let's allocate the resource here rather than further up the stack as * it avoids pushing loads of bus dependant stuff up the stack. If size @@ -932,7 +936,7 @@ int tsi148_master_set(struct vme_master_resource *image, int enabled, */ retval = tsi148_alloc_resource(image, size); if (retval) { - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); dev_err(tsi148_bridge->parent, "Unable to allocate memory for " "resource\n"); goto err_res; @@ -959,19 +963,19 @@ int tsi148_master_set(struct vme_master_resource *image, int enabled, reg_split(vme_offset, &vme_offset_high, &vme_offset_low); if (pci_base_low & 0xFFFF) { - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); dev_err(tsi148_bridge->parent, "Invalid PCI base alignment\n"); retval = -EINVAL; goto err_gran; } if (pci_bound_low & 0xFFFF) { - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); dev_err(tsi148_bridge->parent, "Invalid PCI bound alignment\n"); retval = -EINVAL; goto err_gran; } if (vme_offset_low & 0xFFFF) { - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); dev_err(tsi148_bridge->parent, "Invalid VME Offset " "alignment\n"); retval = -EINVAL; @@ -1035,7 +1039,7 @@ int tsi148_master_set(struct vme_master_resource *image, int enabled, temp_ctl |= TSI148_LCSR_OTAT_DBW_32; break; default: - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); dev_err(tsi148_bridge->parent, "Invalid data width\n"); retval = -EINVAL; goto err_dwidth; @@ -1072,7 +1076,7 @@ int tsi148_master_set(struct vme_master_resource *image, int enabled, temp_ctl |= TSI148_LCSR_OTAT_AMODE_USER4; break; default: - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); dev_err(tsi148_bridge->parent, "Invalid address space\n"); retval = -EINVAL; goto err_aspace; @@ -1109,7 +1113,7 @@ int tsi148_master_set(struct vme_master_resource *image, int enabled, iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] + TSI148_LCSR_OFFSET_OTAT); - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); return 0; err_aspace: @@ -1127,7 +1131,7 @@ err_window: * * XXX Not parsing prefetch information. */ -int __tsi148_master_get(struct vme_master_resource *image, int *enabled, +static int __tsi148_master_get(struct vme_master_resource *image, int *enabled, unsigned long long *vme_base, unsigned long long *size, vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth) { @@ -1237,23 +1241,23 @@ int __tsi148_master_get(struct vme_master_resource *image, int *enabled, } -int tsi148_master_get(struct vme_master_resource *image, int *enabled, +static int tsi148_master_get(struct vme_master_resource *image, int *enabled, unsigned long long *vme_base, unsigned long long *size, vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth) { int retval; - spin_lock(&(image->lock)); + spin_lock(&image->lock); retval = __tsi148_master_get(image, enabled, vme_base, size, aspace, cycle, dwidth); - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); return retval; } -ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf, +static ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf, size_t count, loff_t offset) { int retval, enabled; @@ -1266,7 +1270,7 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf, tsi148_bridge = image->parent; - spin_lock(&(image->lock)); + spin_lock(&image->lock); memcpy_fromio(buf, image->kern_base + offset, (unsigned int)count); retval = count; @@ -1289,13 +1293,13 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf, } skip_chk: - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); return retval; } -ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf, +static ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf, size_t count, loff_t offset) { int retval = 0, enabled; @@ -1312,7 +1316,7 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf, bridge = tsi148_bridge->driver_priv; - spin_lock(&(image->lock)); + spin_lock(&image->lock); memcpy_toio(image->kern_base + offset, buf, (unsigned int)count); retval = count; @@ -1352,7 +1356,7 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf, } skip_chk: - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); return retval; } @@ -1362,7 +1366,7 @@ skip_chk: * * Requires a previously configured master window, returns final value. */ -unsigned int tsi148_master_rmw(struct vme_master_resource *image, +static unsigned int tsi148_master_rmw(struct vme_master_resource *image, unsigned int mask, unsigned int compare, unsigned int swap, loff_t offset) { @@ -1378,10 +1382,10 @@ unsigned int tsi148_master_rmw(struct vme_master_resource *image, i = image->number; /* Locking as we can only do one of these at a time */ - mutex_lock(&(bridge->vme_rmw)); + mutex_lock(&bridge->vme_rmw); /* Lock image */ - spin_lock(&(image->lock)); + spin_lock(&image->lock); pci_addr_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] + TSI148_LCSR_OFFSET_OTSAU); @@ -1411,9 +1415,9 @@ unsigned int tsi148_master_rmw(struct vme_master_resource *image, tmp &= ~TSI148_LCSR_VMCTRL_RMWEN; iowrite32be(tmp, bridge->base + TSI148_LCSR_VMCTRL); - spin_unlock(&(image->lock)); + spin_unlock(&image->lock); - mutex_unlock(&(bridge->vme_rmw)); + mutex_unlock(&bridge->vme_rmw); return result; } @@ -1609,8 +1613,8 @@ static int tsi148_dma_set_vme_dest_attributes(struct device *dev, u32 *attr, /* * Add a link list descriptor to the list */ -int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, - struct vme_dma_attr *dest, size_t count) +static int tsi148_dma_list_add(struct vme_dma_list *list, + struct vme_dma_attr *src, struct vme_dma_attr *dest, size_t count) { struct tsi148_dma_entry *entry, *prev; u32 address_high, address_low; @@ -1633,10 +1637,10 @@ int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, } /* Test descriptor alignment */ - if ((unsigned long)&(entry->descriptor) & 0x7) { + if ((unsigned long)&entry->descriptor & 0x7) { dev_err(tsi148_bridge->parent, "Descriptor not aligned to 8 " "byte boundary as required: %p\n", - &(entry->descriptor)); + &entry->descriptor); retval = -EINVAL; goto err_align; } @@ -1644,7 +1648,7 @@ int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, /* Given we are going to fill out the structure, we probably don't * need to zero it, but better safe than sorry for now. */ - memset(&(entry->descriptor), 0, sizeof(struct tsi148_dma_descriptor)); + memset(&entry->descriptor, 0, sizeof(struct tsi148_dma_descriptor)); /* Fill out source part */ switch (src->type) { @@ -1681,7 +1685,7 @@ int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, entry->descriptor.dsat = TSI148_LCSR_DSAT_TYP_VME; retval = tsi148_dma_set_vme_src_attributes( - tsi148_bridge->parent, &(entry->descriptor.dsat), + tsi148_bridge->parent, &entry->descriptor.dsat, vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth); if (retval < 0) goto err_source; @@ -1719,7 +1723,7 @@ int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, entry->descriptor.ddat = TSI148_LCSR_DDAT_TYP_VME; retval = tsi148_dma_set_vme_dest_attributes( - tsi148_bridge->parent, &(entry->descriptor.ddat), + tsi148_bridge->parent, &entry->descriptor.ddat, vme_attr->aspace, vme_attr->cycle, vme_attr->dwidth); if (retval < 0) goto err_dest; @@ -1735,16 +1739,16 @@ int tsi148_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, entry->descriptor.dcnt = (u32)count; /* Add to list */ - list_add_tail(&(entry->list), &(list->entries)); + list_add_tail(&entry->list, &list->entries); /* Fill out previous descriptors "Next Address" */ - if (entry->list.prev != &(list->entries)) { + if (entry->list.prev != &list->entries) { prev = list_entry(entry->list.prev, struct tsi148_dma_entry, list); /* We need the bus address for the pointer */ - desc_ptr = virt_to_bus(&(entry->descriptor)); - reg_split(desc_ptr, &(prev->descriptor.dnlau), - &(prev->descriptor.dnlal)); + desc_ptr = virt_to_bus(&entry->descriptor); + reg_split(desc_ptr, &prev->descriptor.dnlau, + &prev->descriptor.dnlal); } return 0; @@ -1782,7 +1786,7 @@ static int tsi148_dma_busy(struct vme_bridge *tsi148_bridge, int channel) * * XXX Need to provide control register configuration. */ -int tsi148_dma_list_exec(struct vme_dma_list *list) +static int tsi148_dma_list_exec(struct vme_dma_list *list) { struct vme_dma_resource *ctrlr; int channel, retval = 0; @@ -1799,30 +1803,30 @@ int tsi148_dma_list_exec(struct vme_dma_list *list) bridge = tsi148_bridge->driver_priv; - mutex_lock(&(ctrlr->mtx)); + mutex_lock(&ctrlr->mtx); channel = ctrlr->number; - if (!list_empty(&(ctrlr->running))) { + if (!list_empty(&ctrlr->running)) { /* * XXX We have an active DMA transfer and currently haven't * sorted out the mechanism for "pending" DMA transfers. * Return busy. */ /* Need to add to pending here */ - mutex_unlock(&(ctrlr->mtx)); + mutex_unlock(&ctrlr->mtx); return -EBUSY; } else { - list_add(&(list->list), &(ctrlr->running)); + list_add(&list->list, &ctrlr->running); } /* Get first bus address and write into registers */ - entry = list_first_entry(&(list->entries), struct tsi148_dma_entry, + entry = list_first_entry(&list->entries, struct tsi148_dma_entry, list); - bus_addr = virt_to_bus(&(entry->descriptor)); + bus_addr = virt_to_bus(&entry->descriptor); - mutex_unlock(&(ctrlr->mtx)); + mutex_unlock(&ctrlr->mtx); reg_split(bus_addr, &bus_addr_high, &bus_addr_low); @@ -1850,9 +1854,9 @@ int tsi148_dma_list_exec(struct vme_dma_list *list) } /* Remove list from running list */ - mutex_lock(&(ctrlr->mtx)); - list_del(&(list->list)); - mutex_unlock(&(ctrlr->mtx)); + mutex_lock(&ctrlr->mtx); + list_del(&list->list); + mutex_unlock(&ctrlr->mtx); return retval; } @@ -1862,13 +1866,13 @@ int tsi148_dma_list_exec(struct vme_dma_list *list) * * We have a separate function, don't assume that the chain can't be reused. */ -int tsi148_dma_list_empty(struct vme_dma_list *list) +static int tsi148_dma_list_empty(struct vme_dma_list *list) { struct list_head *pos, *temp; struct tsi148_dma_entry *entry; /* detach and free each entry */ - list_for_each_safe(pos, temp, &(list->entries)) { + list_for_each_safe(pos, temp, &list->entries) { list_del(pos); entry = list_entry(pos, struct tsi148_dma_entry, list); kfree(entry); @@ -1884,7 +1888,7 @@ int tsi148_dma_list_empty(struct vme_dma_list *list) * This does not enable the LM monitor - that should be done when the first * callback is attached and disabled when the last callback is removed. */ -int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base, +static int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base, vme_address_t aspace, vme_cycle_t cycle) { u32 lm_base_high, lm_base_low, lm_ctl = 0; @@ -1896,12 +1900,12 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base, bridge = tsi148_bridge->driver_priv; - mutex_lock(&(lm->mtx)); + mutex_lock(&lm->mtx); /* If we already have a callback attached, we can't move it! */ for (i = 0; i < lm->monitors; i++) { if (bridge->lm_callback[i] != NULL) { - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); dev_err(tsi148_bridge->parent, "Location monitor " "callback attached, can't reset\n"); return -EBUSY; @@ -1922,7 +1926,7 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base, lm_ctl |= TSI148_LCSR_LMAT_AS_A64; break; default: - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); dev_err(tsi148_bridge->parent, "Invalid address space\n"); return -EINVAL; break; @@ -1943,7 +1947,7 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base, iowrite32be(lm_base_low, bridge->base + TSI148_LCSR_LMBAL); iowrite32be(lm_ctl, bridge->base + TSI148_LCSR_LMAT); - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); return 0; } @@ -1951,15 +1955,15 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base, /* Get configuration of the callback monitor and return whether it is enabled * or disabled. */ -int tsi148_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base, - vme_address_t *aspace, vme_cycle_t *cycle) +static int tsi148_lm_get(struct vme_lm_resource *lm, + unsigned long long *lm_base, vme_address_t *aspace, vme_cycle_t *cycle) { u32 lm_base_high, lm_base_low, lm_ctl, enabled = 0; struct tsi148_driver *bridge; bridge = lm->parent->driver_priv; - mutex_lock(&(lm->mtx)); + mutex_lock(&lm->mtx); lm_base_high = ioread32be(bridge->base + TSI148_LCSR_LMBAU); lm_base_low = ioread32be(bridge->base + TSI148_LCSR_LMBAL); @@ -1992,7 +1996,7 @@ int tsi148_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base, if (lm_ctl & TSI148_LCSR_LMAT_DATA) *cycle |= VME_DATA; - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); return enabled; } @@ -2002,7 +2006,7 @@ int tsi148_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base, * * Callback will be passed the monitor triggered. */ -int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor, +static int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor, void (*callback)(int)) { u32 lm_ctl, tmp; @@ -2013,12 +2017,12 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor, bridge = tsi148_bridge->driver_priv; - mutex_lock(&(lm->mtx)); + mutex_lock(&lm->mtx); /* Ensure that the location monitor is configured - need PGM or DATA */ lm_ctl = ioread32be(bridge->base + TSI148_LCSR_LMAT); if ((lm_ctl & (TSI148_LCSR_LMAT_PGM | TSI148_LCSR_LMAT_DATA)) == 0) { - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); dev_err(tsi148_bridge->parent, "Location monitor not properly " "configured\n"); return -EINVAL; @@ -2026,7 +2030,7 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor, /* Check that a callback isn't already attached */ if (bridge->lm_callback[monitor] != NULL) { - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); dev_err(tsi148_bridge->parent, "Existing callback attached\n"); return -EBUSY; } @@ -2049,7 +2053,7 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor, iowrite32be(lm_ctl, bridge->base + TSI148_LCSR_LMAT); } - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); return 0; } @@ -2057,14 +2061,14 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor, /* * Detach a callback function forn a specific location monitor. */ -int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor) +static int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor) { u32 lm_en, tmp; struct tsi148_driver *bridge; bridge = lm->parent->driver_priv; - mutex_lock(&(lm->mtx)); + mutex_lock(&lm->mtx); /* Disable Location Monitor and ensure previous interrupts are clear */ lm_en = ioread32be(bridge->base + TSI148_LCSR_INTEN); @@ -2089,7 +2093,7 @@ int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor) iowrite32be(tmp, bridge->base + TSI148_LCSR_LMAT); } - mutex_unlock(&(lm->mtx)); + mutex_unlock(&lm->mtx); return 0; } @@ -2097,7 +2101,7 @@ int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor) /* * Determine Geographical Addressing */ -int tsi148_slot_get(struct vme_bridge *tsi148_bridge) +static int tsi148_slot_get(struct vme_bridge *tsi148_bridge) { u32 slot = 0; struct tsi148_driver *bridge; @@ -2142,7 +2146,7 @@ static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge, /* Allocate mem for CR/CSR image */ bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE, - &(bridge->crcsr_bus)); + &bridge->crcsr_bus); if (bridge->crcsr_kernel == NULL) { dev_err(tsi148_bridge->parent, "Failed to allocate memory for " "CR/CSR image\n"); @@ -2280,13 +2284,13 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) } /* Initialize wait queues & mutual exclusion flags */ - init_waitqueue_head(&(tsi148_device->dma_queue[0])); - init_waitqueue_head(&(tsi148_device->dma_queue[1])); - init_waitqueue_head(&(tsi148_device->iack_queue)); - mutex_init(&(tsi148_device->vme_int)); - mutex_init(&(tsi148_device->vme_rmw)); + init_waitqueue_head(&tsi148_device->dma_queue[0]); + init_waitqueue_head(&tsi148_device->dma_queue[1]); + init_waitqueue_head(&tsi148_device->iack_queue); + mutex_init(&tsi148_device->vme_int); + mutex_init(&tsi148_device->vme_rmw); - tsi148_bridge->parent = &(pdev->dev); + tsi148_bridge->parent = &pdev->dev; strcpy(tsi148_bridge->name, driver_name); /* Setup IRQ */ @@ -2314,7 +2318,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_master; } tsi148_device->flush_image->parent = tsi148_bridge; - spin_lock_init(&(tsi148_device->flush_image->lock)); + spin_lock_init(&tsi148_device->flush_image->lock); tsi148_device->flush_image->locked = 1; tsi148_device->flush_image->number = master_num; tsi148_device->flush_image->address_attr = VME_A16 | VME_A24 | @@ -2324,13 +2328,13 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) VME_2eSST160 | VME_2eSST267 | VME_2eSST320 | VME_SUPER | VME_USER | VME_PROG | VME_DATA; tsi148_device->flush_image->width_attr = VME_D16 | VME_D32; - memset(&(tsi148_device->flush_image->bus_resource), 0, + memset(&tsi148_device->flush_image->bus_resource, 0, sizeof(struct resource)); tsi148_device->flush_image->kern_base = NULL; } /* Add master windows to list */ - INIT_LIST_HEAD(&(tsi148_bridge->master_resources)); + INIT_LIST_HEAD(&tsi148_bridge->master_resources); for (i = 0; i < master_num; i++) { master_image = kmalloc(sizeof(struct vme_master_resource), GFP_KERNEL); @@ -2341,7 +2345,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_master; } master_image->parent = tsi148_bridge; - spin_lock_init(&(master_image->lock)); + spin_lock_init(&master_image->lock); master_image->locked = 0; master_image->number = i; master_image->address_attr = VME_A16 | VME_A24 | VME_A32 | @@ -2351,15 +2355,15 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) VME_2eSST267 | VME_2eSST320 | VME_SUPER | VME_USER | VME_PROG | VME_DATA; master_image->width_attr = VME_D16 | VME_D32; - memset(&(master_image->bus_resource), 0, + memset(&master_image->bus_resource, 0, sizeof(struct resource)); master_image->kern_base = NULL; - list_add_tail(&(master_image->list), - &(tsi148_bridge->master_resources)); + list_add_tail(&master_image->list, + &tsi148_bridge->master_resources); } /* Add slave windows to list */ - INIT_LIST_HEAD(&(tsi148_bridge->slave_resources)); + INIT_LIST_HEAD(&tsi148_bridge->slave_resources); for (i = 0; i < TSI148_MAX_SLAVE; i++) { slave_image = kmalloc(sizeof(struct vme_slave_resource), GFP_KERNEL); @@ -2370,7 +2374,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_slave; } slave_image->parent = tsi148_bridge; - mutex_init(&(slave_image->mtx)); + mutex_init(&slave_image->mtx); slave_image->locked = 0; slave_image->number = i; slave_image->address_attr = VME_A16 | VME_A24 | VME_A32 | @@ -2380,12 +2384,12 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) VME_2eVME | VME_2eSST | VME_2eSSTB | VME_2eSST160 | VME_2eSST267 | VME_2eSST320 | VME_SUPER | VME_USER | VME_PROG | VME_DATA; - list_add_tail(&(slave_image->list), - &(tsi148_bridge->slave_resources)); + list_add_tail(&slave_image->list, + &tsi148_bridge->slave_resources); } /* Add dma engines to list */ - INIT_LIST_HEAD(&(tsi148_bridge->dma_resources)); + INIT_LIST_HEAD(&tsi148_bridge->dma_resources); for (i = 0; i < TSI148_MAX_DMA; i++) { dma_ctrlr = kmalloc(sizeof(struct vme_dma_resource), GFP_KERNEL); @@ -2396,21 +2400,21 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_dma; } dma_ctrlr->parent = tsi148_bridge; - mutex_init(&(dma_ctrlr->mtx)); + mutex_init(&dma_ctrlr->mtx); dma_ctrlr->locked = 0; dma_ctrlr->number = i; dma_ctrlr->route_attr = VME_DMA_VME_TO_MEM | VME_DMA_MEM_TO_VME | VME_DMA_VME_TO_VME | VME_DMA_MEM_TO_MEM | VME_DMA_PATTERN_TO_VME | VME_DMA_PATTERN_TO_MEM; - INIT_LIST_HEAD(&(dma_ctrlr->pending)); - INIT_LIST_HEAD(&(dma_ctrlr->running)); - list_add_tail(&(dma_ctrlr->list), - &(tsi148_bridge->dma_resources)); + INIT_LIST_HEAD(&dma_ctrlr->pending); + INIT_LIST_HEAD(&dma_ctrlr->running); + list_add_tail(&dma_ctrlr->list, + &tsi148_bridge->dma_resources); } /* Add location monitor to list */ - INIT_LIST_HEAD(&(tsi148_bridge->lm_resources)); + INIT_LIST_HEAD(&tsi148_bridge->lm_resources); lm = kmalloc(sizeof(struct vme_lm_resource), GFP_KERNEL); if (lm == NULL) { dev_err(&pdev->dev, "Failed to allocate memory for " @@ -2419,11 +2423,11 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_lm; } lm->parent = tsi148_bridge; - mutex_init(&(lm->mtx)); + mutex_init(&lm->mtx); lm->locked = 0; lm->number = 1; lm->monitors = 4; - list_add_tail(&(lm->list), &(tsi148_bridge->lm_resources)); + list_add_tail(&lm->list, &tsi148_bridge->lm_resources); tsi148_bridge->slave_get = tsi148_slave_get; tsi148_bridge->slave_set = tsi148_slave_set; @@ -2477,41 +2481,40 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; - vme_unregister_bridge(tsi148_bridge); err_reg: tsi148_crcsr_exit(tsi148_bridge, pdev); err_crcsr: err_lm: /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->lm_resources)) { + list_for_each(pos, &tsi148_bridge->lm_resources) { lm = list_entry(pos, struct vme_lm_resource, list); list_del(pos); kfree(lm); } err_dma: /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->dma_resources)) { + list_for_each(pos, &tsi148_bridge->dma_resources) { dma_ctrlr = list_entry(pos, struct vme_dma_resource, list); list_del(pos); kfree(dma_ctrlr); } err_slave: /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->slave_resources)) { + list_for_each(pos, &tsi148_bridge->slave_resources) { slave_image = list_entry(pos, struct vme_slave_resource, list); list_del(pos); kfree(slave_image); } err_master: /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->master_resources)) { + list_for_each(pos, &tsi148_bridge->master_resources) { master_image = list_entry(pos, struct vme_master_resource, list); list_del(pos); kfree(master_image); } - tsi148_irq_exit(tsi148_device, pdev); + tsi148_irq_exit(tsi148_bridge, pdev); err_irq: err_test: iounmap(tsi148_device->base); @@ -2531,6 +2534,7 @@ err_struct: static void tsi148_remove(struct pci_dev *pdev) { struct list_head *pos = NULL; + struct list_head *tmplist; struct vme_master_resource *master_image; struct vme_slave_resource *slave_image; struct vme_dma_resource *dma_ctrlr; @@ -2582,36 +2586,34 @@ static void tsi148_remove(struct pci_dev *pdev) iowrite32be(0x0, bridge->base + TSI148_LCSR_INTM1); iowrite32be(0x0, bridge->base + TSI148_LCSR_INTM2); - tsi148_irq_exit(bridge, pdev); + tsi148_irq_exit(tsi148_bridge, pdev); vme_unregister_bridge(tsi148_bridge); tsi148_crcsr_exit(tsi148_bridge, pdev); /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->dma_resources)) { + list_for_each_safe(pos, tmplist, &tsi148_bridge->dma_resources) { dma_ctrlr = list_entry(pos, struct vme_dma_resource, list); list_del(pos); kfree(dma_ctrlr); } /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->slave_resources)) { + list_for_each_safe(pos, tmplist, &tsi148_bridge->slave_resources) { slave_image = list_entry(pos, struct vme_slave_resource, list); list_del(pos); kfree(slave_image); } /* resources are stored in link list */ - list_for_each(pos, &(tsi148_bridge->master_resources)) { + list_for_each_safe(pos, tmplist, &tsi148_bridge->master_resources) { master_image = list_entry(pos, struct vme_master_resource, list); list_del(pos); kfree(master_image); } - tsi148_irq_exit(bridge, pdev); - iounmap(bridge->base); pci_release_regions(pdev); |