vme.c uses printk() to log messages. To improve and standardize message formatting, use logging mechanisms dev_err()/dev_warn() instead. Retain the printk log levels of the messages during replacement. Issue found by checkpatch.pl Signed-off-by: Soumya Negi <soumya.negi97@xxxxxxxxx> Acked-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> --- drivers/staging/vme_user/vme.c | 175 +++++++++++++++++++-------------- 1 file changed, 99 insertions(+), 76 deletions(-) diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c index 6519a7c994a0..25f3cac641ed 100644 --- a/drivers/staging/vme_user/vme.c +++ b/drivers/staging/vme_user/vme.c @@ -100,8 +100,9 @@ void *vme_alloc_consistent(struct vme_resource *resource, size_t size, } if (!bridge->alloc_consistent) { - printk(KERN_ERR "alloc_consistent not supported by bridge %s\n", - bridge->name); + dev_err(bridge->parent, + "alloc_consistent not supported by bridge %s\n", + bridge->name); return NULL; } @@ -140,8 +141,9 @@ void vme_free_consistent(struct vme_resource *resource, size_t size, } if (!bridge->free_consistent) { - printk(KERN_ERR "free_consistent not supported by bridge %s\n", - bridge->name); + dev_err(bridge->parent, + "free_consistent not supported by bridge %s\n", + bridge->name); return; } @@ -161,6 +163,7 @@ EXPORT_SYMBOL(vme_free_consistent); */ size_t vme_get_size(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); int enabled, retval; unsigned long long base, size; dma_addr_t buf_base; @@ -184,7 +187,7 @@ size_t vme_get_size(struct vme_resource *resource) case VME_DMA: return 0; default: - printk(KERN_ERR "Unknown resource type\n"); + dev_err(bridge->parent, "Unknown resource type\n"); return 0; } } @@ -288,14 +291,15 @@ struct vme_resource *vme_slave_request(struct vme_dev *vdev, u32 address, bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); goto err_bus; } /* Loop through slave resources */ list_for_each_entry(slave_image, &bridge->slave_resources, list) { if (!slave_image) { - printk(KERN_ERR "Registered NULL Slave resource\n"); + dev_err(bridge->parent, + "Registered NULL Slave resource\n"); continue; } @@ -362,20 +366,20 @@ int vme_slave_set(struct vme_resource *resource, int enabled, int retval; if (resource->type != VME_SLAVE) { - printk(KERN_ERR "Not a slave resource\n"); + dev_err(bridge->parent, "Not a slave resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_slave_resource, list); if (!bridge->slave_set) { - printk(KERN_ERR "Function not supported\n"); + dev_err(bridge->parent, "Function not supported\n"); return -ENOSYS; } if (!(((image->address_attr & aspace) == aspace) && ((image->cycle_attr & cycle) == cycle))) { - printk(KERN_ERR "Invalid attributes\n"); + dev_err(bridge->parent, "Invalid attributes\n"); return -EINVAL; } @@ -411,14 +415,14 @@ int vme_slave_get(struct vme_resource *resource, int *enabled, struct vme_slave_resource *image; if (resource->type != VME_SLAVE) { - printk(KERN_ERR "Not a slave resource\n"); + dev_err(bridge->parent, "Not a slave resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_slave_resource, list); if (!bridge->slave_get) { - printk(KERN_ERR "vme_slave_get not supported\n"); + dev_err(bridge->parent, "vme_slave_get not supported\n"); return -EINVAL; } @@ -435,24 +439,25 @@ EXPORT_SYMBOL(vme_slave_get); */ void vme_slave_free(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_slave_resource *slave_image; if (resource->type != VME_SLAVE) { - printk(KERN_ERR "Not a slave resource\n"); + dev_err(bridge->parent, "Not a slave resource\n"); return; } slave_image = list_entry(resource->entry, struct vme_slave_resource, list); if (!slave_image) { - printk(KERN_ERR "Can't find slave resource\n"); + dev_err(bridge->parent, "Can't find slave resource\n"); return; } /* Unlock image */ mutex_lock(&slave_image->mtx); if (slave_image->locked == 0) - printk(KERN_ERR "Image is already free\n"); + dev_err(bridge->parent, "Image is already free\n"); slave_image->locked = 0; mutex_unlock(&slave_image->mtx); @@ -484,14 +489,15 @@ struct vme_resource *vme_master_request(struct vme_dev *vdev, u32 address, bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); goto err_bus; } /* Loop through master resources */ list_for_each_entry(master_image, &bridge->master_resources, list) { if (!master_image) { - printk(KERN_WARNING "Registered NULL master resource\n"); + dev_warn(bridge->parent, + "Registered NULL master resource\n"); continue; } @@ -511,7 +517,7 @@ struct vme_resource *vme_master_request(struct vme_dev *vdev, u32 address, /* Check to see if we found a resource */ if (!allocated_image) { - printk(KERN_ERR "Can't find a suitable resource\n"); + dev_err(&vdev->dev, "Can't find a suitable resource\n"); goto err_image; } @@ -561,21 +567,21 @@ int vme_master_set(struct vme_resource *resource, int enabled, int retval; if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_master_resource, list); if (!bridge->master_set) { - printk(KERN_WARNING "vme_master_set not supported\n"); + dev_warn(bridge->parent, "vme_master_set not supported\n"); return -EINVAL; } if (!(((image->address_attr & aspace) == aspace) && ((image->cycle_attr & cycle) == cycle) && ((image->width_attr & dwidth) == dwidth))) { - printk(KERN_WARNING "Invalid attributes\n"); + dev_warn(bridge->parent, "Invalid attributes\n"); return -EINVAL; } @@ -611,14 +617,14 @@ int vme_master_get(struct vme_resource *resource, int *enabled, struct vme_master_resource *image; if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return -EINVAL; } image = list_entry(resource->entry, struct vme_master_resource, list); if (!bridge->master_get) { - printk(KERN_WARNING "%s not supported\n", __func__); + dev_warn(bridge->parent, "%s not supported\n", __func__); return -EINVAL; } @@ -650,12 +656,13 @@ ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count, size_t length; if (!bridge->master_read) { - printk(KERN_WARNING "Reading from resource not supported\n"); + dev_warn(bridge->parent, + "Reading from resource not supported\n"); return -EINVAL; } if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return -EINVAL; } @@ -664,7 +671,7 @@ ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count, length = vme_get_size(resource); if (offset > length) { - printk(KERN_WARNING "Invalid Offset\n"); + dev_warn(bridge->parent, "Invalid Offset\n"); return -EFAULT; } @@ -698,12 +705,12 @@ ssize_t vme_master_write(struct vme_resource *resource, void *buf, size_t length; if (!bridge->master_write) { - printk(KERN_WARNING "Writing to resource not supported\n"); + dev_warn(bridge->parent, "Writing to resource not supported\n"); return -EINVAL; } if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return -EINVAL; } @@ -712,7 +719,7 @@ ssize_t vme_master_write(struct vme_resource *resource, void *buf, length = vme_get_size(resource); if (offset > length) { - printk(KERN_WARNING "Invalid Offset\n"); + dev_warn(bridge->parent, "Invalid Offset\n"); return -EFAULT; } @@ -749,12 +756,12 @@ unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask, struct vme_master_resource *image; if (!bridge->master_rmw) { - printk(KERN_WARNING "Writing to resource not supported\n"); + dev_warn(bridge->parent, "Writing to resource not supported\n"); return -EINVAL; } if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return -EINVAL; } @@ -777,12 +784,13 @@ EXPORT_SYMBOL(vme_master_rmw); */ int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_master_resource *image; phys_addr_t phys_addr; unsigned long vma_size; if (resource->type != VME_MASTER) { - pr_err("Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return -EINVAL; } @@ -791,7 +799,7 @@ int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma) vma_size = vma->vm_end - vma->vm_start; if (phys_addr + vma_size > image->bus_resource.end + 1) { - pr_err("Map size cannot exceed the window size\n"); + dev_err(bridge->parent, "Map size cannot exceed the window size\n"); return -EFAULT; } @@ -809,24 +817,25 @@ EXPORT_SYMBOL(vme_master_mmap); */ void vme_master_free(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_master_resource *master_image; if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + dev_err(bridge->parent, "Not a master resource\n"); return; } master_image = list_entry(resource->entry, struct vme_master_resource, list); if (!master_image) { - printk(KERN_ERR "Can't find master resource\n"); + dev_err(bridge->parent, "Can't find master resource\n"); return; } /* Unlock image */ spin_lock(&master_image->lock); if (master_image->locked == 0) - printk(KERN_ERR "Image is already free\n"); + dev_err(bridge->parent, "Image is already free\n"); master_image->locked = 0; spin_unlock(&master_image->lock); @@ -854,18 +863,19 @@ struct vme_resource *vme_dma_request(struct vme_dev *vdev, u32 route) struct vme_resource *resource = NULL; /* XXX Not checking resource attributes */ - printk(KERN_ERR "No VME resource Attribute tests done\n"); + dev_err(&vdev->dev, "No VME resource Attribute tests done\n"); bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); goto err_bus; } /* Loop through DMA resources */ list_for_each_entry(dma_ctrlr, &bridge->dma_resources, list) { if (!dma_ctrlr) { - printk(KERN_ERR "Registered NULL DMA resource\n"); + dev_err(bridge->parent, + "Registered NULL DMA resource\n"); continue; } @@ -917,10 +927,11 @@ EXPORT_SYMBOL(vme_dma_request); */ struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_dma_list *dma_list; if (resource->type != VME_DMA) { - printk(KERN_ERR "Not a DMA resource\n"); + dev_err(bridge->parent, "Not a DMA resource\n"); return NULL; } @@ -1098,12 +1109,13 @@ int vme_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, int retval; if (!bridge->dma_list_add) { - printk(KERN_WARNING "Link List DMA generation not supported\n"); + dev_warn(bridge->parent, + "Link List DMA generation not supported\n"); return -EINVAL; } if (!mutex_trylock(&list->mtx)) { - printk(KERN_ERR "Link List already submitted\n"); + dev_err(bridge->parent, "Link List already submitted\n"); return -EINVAL; } @@ -1131,7 +1143,8 @@ int vme_dma_list_exec(struct vme_dma_list *list) int retval; if (!bridge->dma_list_exec) { - printk(KERN_ERR "Link List DMA execution not supported\n"); + dev_err(bridge->parent, + "Link List DMA execution not supported\n"); return -EINVAL; } @@ -1160,12 +1173,13 @@ int vme_dma_list_free(struct vme_dma_list *list) int retval; if (!bridge->dma_list_empty) { - printk(KERN_WARNING "Emptying of Link Lists not supported\n"); + dev_warn(bridge->parent, + "Emptying of Link Lists not supported\n"); return -EINVAL; } if (!mutex_trylock(&list->mtx)) { - printk(KERN_ERR "Link List in use\n"); + dev_err(bridge->parent, "Link List in use\n"); return -EBUSY; } @@ -1175,7 +1189,7 @@ int vme_dma_list_free(struct vme_dma_list *list) */ retval = bridge->dma_list_empty(list); if (retval) { - printk(KERN_ERR "Unable to empty link-list entries\n"); + dev_err(bridge->parent, "Unable to empty link-list entries\n"); mutex_unlock(&list->mtx); return retval; } @@ -1197,22 +1211,24 @@ EXPORT_SYMBOL(vme_dma_list_free); */ int vme_dma_free(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_dma_resource *ctrlr; if (resource->type != VME_DMA) { - printk(KERN_ERR "Not a DMA resource\n"); + dev_err(bridge->parent, "Not a DMA resource\n"); return -EINVAL; } ctrlr = list_entry(resource->entry, struct vme_dma_resource, list); if (!mutex_trylock(&ctrlr->mtx)) { - printk(KERN_ERR "Resource busy, can't free\n"); + dev_err(bridge->parent, "Resource busy, can't free\n"); return -EBUSY; } if (!(list_empty(&ctrlr->pending) && list_empty(&ctrlr->running))) { - printk(KERN_WARNING "Resource still processing transfers\n"); + dev_warn(bridge->parent, + "Resource still processing transfers\n"); mutex_unlock(&ctrlr->mtx); return -EBUSY; } @@ -1290,8 +1306,9 @@ void vme_irq_handler(struct vme_bridge *bridge, int level, int statid) if (call) call(level, statid, priv_data); else - printk(KERN_WARNING "Spurious VME interrupt, level:%x, vector:%x\n", - level, statid); + dev_warn(bridge->parent, + "Spurious VME interrupt, level:%x, vector:%x\n", level, + statid); } EXPORT_SYMBOL(vme_irq_handler); @@ -1319,17 +1336,18 @@ int vme_irq_request(struct vme_dev *vdev, int level, int statid, bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); return -EINVAL; } if ((level < 1) || (level > 7)) { - printk(KERN_ERR "Invalid interrupt level\n"); + dev_err(bridge->parent, "Invalid interrupt level\n"); return -EINVAL; } if (!bridge->irq_set) { - printk(KERN_ERR "Configuring interrupts not supported\n"); + dev_err(bridge->parent, + "Configuring interrupts not supported\n"); return -EINVAL; } @@ -1337,7 +1355,7 @@ int vme_irq_request(struct vme_dev *vdev, int level, int statid, if (bridge->irq[level - 1].callback[statid].func) { mutex_unlock(&bridge->irq_mtx); - printk(KERN_WARNING "VME Interrupt already taken\n"); + dev_warn(bridge->parent, "VME Interrupt already taken\n"); return -EBUSY; } @@ -1368,17 +1386,18 @@ void vme_irq_free(struct vme_dev *vdev, int level, int statid) bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); return; } if ((level < 1) || (level > 7)) { - printk(KERN_ERR "Invalid interrupt level\n"); + dev_err(bridge->parent, "Invalid interrupt level\n"); return; } if (!bridge->irq_set) { - printk(KERN_ERR "Configuring interrupts not supported\n"); + dev_err(bridge->parent, + "Configuring interrupts not supported\n"); return; } @@ -1415,17 +1434,18 @@ int vme_irq_generate(struct vme_dev *vdev, int level, int statid) bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); return -EINVAL; } if ((level < 1) || (level > 7)) { - printk(KERN_WARNING "Invalid interrupt level\n"); + dev_warn(bridge->parent, "Invalid interrupt level\n"); return -EINVAL; } if (!bridge->irq_generate) { - printk(KERN_WARNING "Interrupt generation not supported\n"); + dev_warn(bridge->parent, + "Interrupt generation not supported\n"); return -EINVAL; } @@ -1452,14 +1472,15 @@ struct vme_resource *vme_lm_request(struct vme_dev *vdev) bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); goto err_bus; } /* Loop through LM resources */ list_for_each_entry(lm, &bridge->lm_resources, list) { if (!lm) { - printk(KERN_ERR "Registered NULL Location Monitor resource\n"); + dev_err(bridge->parent, + "Registered NULL Location Monitor resource\n"); continue; } @@ -1511,10 +1532,11 @@ EXPORT_SYMBOL(vme_lm_request); */ int vme_lm_count(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + dev_err(bridge->parent, "Not a Location Monitor resource\n"); return -EINVAL; } @@ -1545,14 +1567,14 @@ int vme_lm_set(struct vme_resource *resource, unsigned long long lm_base, struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + dev_err(bridge->parent, "Not a Location Monitor resource\n"); return -EINVAL; } lm = list_entry(resource->entry, struct vme_lm_resource, list); if (!bridge->lm_set) { - printk(KERN_ERR "vme_lm_set not supported\n"); + dev_err(bridge->parent, "vme_lm_set not supported\n"); return -EINVAL; } @@ -1581,14 +1603,14 @@ int vme_lm_get(struct vme_resource *resource, unsigned long long *lm_base, struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + dev_err(bridge->parent, "Not a Location Monitor resource\n"); return -EINVAL; } lm = list_entry(resource->entry, struct vme_lm_resource, list); if (!bridge->lm_get) { - printk(KERN_ERR "vme_lm_get not supported\n"); + dev_err(bridge->parent, "vme_lm_get not supported\n"); return -EINVAL; } @@ -1618,14 +1640,14 @@ int vme_lm_attach(struct vme_resource *resource, int monitor, struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + dev_err(bridge->parent, "Not a Location Monitor resource\n"); return -EINVAL; } lm = list_entry(resource->entry, struct vme_lm_resource, list); if (!bridge->lm_attach) { - printk(KERN_ERR "vme_lm_attach not supported\n"); + dev_err(bridge->parent, "vme_lm_attach not supported\n"); return -EINVAL; } @@ -1651,14 +1673,14 @@ int vme_lm_detach(struct vme_resource *resource, int monitor) struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + dev_err(bridge->parent, "Not a Location Monitor resource\n"); return -EINVAL; } lm = list_entry(resource->entry, struct vme_lm_resource, list); if (!bridge->lm_detach) { - printk(KERN_ERR "vme_lm_detach not supported\n"); + dev_err(bridge->parent, "vme_lm_detach not supported\n"); return -EINVAL; } @@ -1680,10 +1702,11 @@ EXPORT_SYMBOL(vme_lm_detach); */ void vme_lm_free(struct vme_resource *resource) { + struct vme_bridge *bridge = find_bridge(resource); struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + dev_err(bridge->parent, "Not a Location Monitor resource\n"); return; } @@ -1720,12 +1743,12 @@ int vme_slot_num(struct vme_dev *vdev) bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); return -EINVAL; } if (!bridge->slot_get) { - printk(KERN_WARNING "vme_slot_num not supported\n"); + dev_warn(bridge->parent, "vme_slot_num not supported\n"); return -EINVAL; } @@ -1748,7 +1771,7 @@ int vme_bus_num(struct vme_dev *vdev) bridge = vdev->bridge; if (!bridge) { - pr_err("Can't find VME bus\n"); + dev_err(&vdev->dev, "Can't find VME bus\n"); return -EINVAL; } -- 2.42.0