vme.c uses printk() to log messages. To improve and standardize message formatting, use logging mechanisms pr_err()/pr_warn() and 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> --- drivers/staging/vme_user/vme.c | 175 ++++++++++++++++++--------------- 1 file changed, 94 insertions(+), 81 deletions(-) diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c index 6519a7c994a0..e8c2c1e77b7d 100644 --- a/drivers/staging/vme_user/vme.c +++ b/drivers/staging/vme_user/vme.c @@ -9,6 +9,8 @@ * Copyright 2004 Motorola Inc. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/export.h> #include <linux/mm.h> @@ -62,7 +64,7 @@ static struct vme_bridge *find_bridge(struct vme_resource *resource) return list_entry(resource->entry, struct vme_lm_resource, list)->parent; default: - printk(KERN_ERR "Unknown resource type\n"); + pr_err("Unknown resource type\n"); return NULL; } } @@ -84,24 +86,25 @@ void *vme_alloc_consistent(struct vme_resource *resource, size_t size, struct vme_bridge *bridge; if (!resource) { - printk(KERN_ERR "No resource\n"); + pr_err("No resource\n"); return NULL; } bridge = find_bridge(resource); if (!bridge) { - printk(KERN_ERR "Can't find bridge\n"); + pr_err("Can't find bridge\n"); return NULL; } if (!bridge->parent) { - printk(KERN_ERR "Dev entry NULL for bridge %s\n", bridge->name); + pr_err("Dev entry NULL for bridge %s\n", bridge->name); return NULL; } 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; } @@ -124,24 +127,25 @@ void vme_free_consistent(struct vme_resource *resource, size_t size, struct vme_bridge *bridge; if (!resource) { - printk(KERN_ERR "No resource\n"); + pr_err("No resource\n"); return; } bridge = find_bridge(resource); if (!bridge) { - printk(KERN_ERR "Can't find bridge\n"); + pr_err("Can't find bridge\n"); return; } if (!bridge->parent) { - printk(KERN_ERR "Dev entry NULL for bridge %s\n", bridge->name); + pr_err("Dev entry NULL for bridge %s\n", bridge->name); return; } 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; } @@ -184,7 +188,7 @@ size_t vme_get_size(struct vme_resource *resource) case VME_DMA: return 0; default: - printk(KERN_ERR "Unknown resource type\n"); + pr_err("Unknown resource type\n"); return 0; } } @@ -225,7 +229,7 @@ int vme_check_window(u32 aspace, unsigned long long vme_base, /* User Defined */ break; default: - printk(KERN_ERR "Invalid address space\n"); + pr_err("Invalid address space\n"); retval = -EINVAL; break; } @@ -288,14 +292,14 @@ 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"); + pr_err("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"); + pr_err("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"); + pr_err("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"); + pr_err("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; } @@ -438,21 +442,21 @@ void vme_slave_free(struct vme_resource *resource) struct vme_slave_resource *slave_image; if (resource->type != VME_SLAVE) { - printk(KERN_ERR "Not a slave resource\n"); + pr_err("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"); + pr_err("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"); + pr_err("Image is already free\n"); slave_image->locked = 0; mutex_unlock(&slave_image->mtx); @@ -484,14 +488,14 @@ 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"); + pr_err("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 +515,7 @@ 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 +565,21 @@ 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"); + pr_err("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"); + pr_warn("Invalid attributes\n"); return -EINVAL; } @@ -611,14 +615,14 @@ 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"); + pr_err("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 +654,12 @@ 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"); + pr_err("Not a master resource\n"); return -EINVAL; } @@ -664,7 +668,7 @@ 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"); + pr_warn("Invalid Offset\n"); return -EFAULT; } @@ -698,12 +702,12 @@ 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"); + pr_err("Not a master resource\n"); return -EINVAL; } @@ -712,7 +716,7 @@ 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"); + pr_warn("Invalid Offset\n"); return -EFAULT; } @@ -749,12 +753,12 @@ 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"); + pr_err("Not a master resource\n"); return -EINVAL; } @@ -812,21 +816,21 @@ void vme_master_free(struct vme_resource *resource) struct vme_master_resource *master_image; if (resource->type != VME_MASTER) { - printk(KERN_ERR "Not a master resource\n"); + pr_err("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"); + pr_err("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"); + pr_err("Image is already free\n"); master_image->locked = 0; spin_unlock(&master_image->lock); @@ -854,18 +858,19 @@ 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"); + pr_err("No VME resource Attribute tests done\n"); bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + pr_err("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; } @@ -920,7 +925,7 @@ struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource) struct vme_dma_list *dma_list; if (resource->type != VME_DMA) { - printk(KERN_ERR "Not a DMA resource\n"); + pr_err("Not a DMA resource\n"); return NULL; } @@ -1098,12 +1103,13 @@ 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"); + pr_err("Link List already submitted\n"); return -EINVAL; } @@ -1131,7 +1137,8 @@ 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 +1167,13 @@ 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"); + pr_err("Link List in use\n"); return -EBUSY; } @@ -1175,7 +1183,7 @@ 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"); + pr_err("Unable to empty link-list entries\n"); mutex_unlock(&list->mtx); return retval; } @@ -1200,19 +1208,19 @@ int vme_dma_free(struct vme_resource *resource) struct vme_dma_resource *ctrlr; if (resource->type != VME_DMA) { - printk(KERN_ERR "Not a DMA resource\n"); + pr_err("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"); + pr_err("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"); + pr_warn("Resource still processing transfers\n"); mutex_unlock(&ctrlr->mtx); return -EBUSY; } @@ -1290,8 +1298,9 @@ 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 +1328,18 @@ 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"); + pr_err("Can't find VME bus\n"); return -EINVAL; } if ((level < 1) || (level > 7)) { - printk(KERN_ERR "Invalid interrupt level\n"); + pr_err("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 +1347,7 @@ 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 +1378,18 @@ 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"); + pr_err("Can't find VME bus\n"); return; } if ((level < 1) || (level > 7)) { - printk(KERN_ERR "Invalid interrupt level\n"); + pr_err("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 +1426,18 @@ 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"); + pr_err("Can't find VME bus\n"); return -EINVAL; } if ((level < 1) || (level > 7)) { - printk(KERN_WARNING "Invalid interrupt level\n"); + pr_warn("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 +1464,15 @@ struct vme_resource *vme_lm_request(struct vme_dev *vdev) bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + pr_err("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; } @@ -1514,7 +1527,7 @@ int vme_lm_count(struct vme_resource *resource) struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + pr_err("Not a Location Monitor resource\n"); return -EINVAL; } @@ -1545,14 +1558,14 @@ 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"); + pr_err("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 +1594,14 @@ 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"); + pr_err("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 +1631,14 @@ 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"); + pr_err("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 +1664,14 @@ 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"); + pr_err("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; } @@ -1683,7 +1696,7 @@ void vme_lm_free(struct vme_resource *resource) struct vme_lm_resource *lm; if (resource->type != VME_LM) { - printk(KERN_ERR "Not a Location Monitor resource\n"); + pr_err("Not a Location Monitor resource\n"); return; } @@ -1720,12 +1733,12 @@ int vme_slot_num(struct vme_dev *vdev) bridge = vdev->bridge; if (!bridge) { - printk(KERN_ERR "Can't find VME bus\n"); + pr_err("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; } -- 2.42.0