openwrt/target/linux/brcm2708/patches-3.10/0145-vc_mem-tidy-up-debug-printing.patch

From 3d55e3e65ac2277c2b9a1803c39847fc6b9a0a5d Mon Sep 17 00:00:00 2001
From: Luke Diamand <luked@broadcom.com>
Date: Sat, 28 Dec 2013 07:39:51 +0000
Subject: [PATCH 145/174] vc_mem: tidy up debug printing

Replace explicit use of printk() with pr_XXX() calls to
better conform to kernel coding style.

Signed-off-by: Luke Diamand <luked@broadcom.com>
---
 arch/arm/mach-bcm2708/vc_mem.c | 47 +++++++++++++++++-------------------------
 1 file changed, 19 insertions(+), 28 deletions(-)

--- a/arch/arm/mach-bcm2708/vc_mem.c
+++ b/arch/arm/mach-bcm2708/vc_mem.c
@@ -35,16 +35,6 @@
 
 #define DRIVER_NAME  "vc-mem"
 
-// Uncomment to enable debug logging
-// #define ENABLE_DBG
-
-#if defined(ENABLE_DBG)
-#define LOG_DBG( fmt, ... )  printk( KERN_INFO fmt "\n", ##__VA_ARGS__ )
-#else
-#define LOG_DBG( fmt, ... )
-#endif
-#define LOG_ERR( fmt, ... )  printk( KERN_ERR fmt "\n", ##__VA_ARGS__ )
-
 // Device (/dev) related variables
 static dev_t vc_mem_devnum = 0;
 static struct class *vc_mem_class = NULL;
@@ -95,7 +85,7 @@ vc_mem_open(struct inode *inode, struct
 	(void) inode;
 	(void) file;
 
-	LOG_DBG("%s: called file = 0x%p", __func__, file);
+	pr_debug("%s: called file = 0x%p\n", __func__, file);
 
 	return 0;
 }
@@ -112,7 +102,7 @@ vc_mem_release(struct inode *inode, stru
 	(void) inode;
 	(void) file;
 
-	LOG_DBG("%s: called file = 0x%p", __func__, file);
+	pr_debug("%s: called file = 0x%p\n", __func__, file);
 
 	return 0;
 }
@@ -167,12 +157,12 @@ vc_mem_ioctl(struct file *file, unsigned
 	(void) cmd;
 	(void) arg;
 
-	LOG_DBG("%s: called file = 0x%p", __func__, file);
+	pr_debug("%s: called file = 0x%p\n", __func__, file);
 
 	switch (cmd) {
 	case VC_MEM_IOC_MEM_PHYS_ADDR:
 		{
-			LOG_DBG("%s: VC_MEM_IOC_MEM_PHYS_ADDR=0x%p",
+			pr_debug("%s: VC_MEM_IOC_MEM_PHYS_ADDR=0x%p\n",
 				__func__, (void *) mm_vc_mem_phys_addr);
 
 			if (copy_to_user((void *) arg, &mm_vc_mem_phys_addr,
@@ -186,7 +176,7 @@ vc_mem_ioctl(struct file *file, unsigned
 			// Get the videocore memory size first
 			vc_mem_get_size();
 
-			LOG_DBG("%s: VC_MEM_IOC_MEM_SIZE=%u", __func__,
+			pr_debug("%s: VC_MEM_IOC_MEM_SIZE=%u\n", __func__,
 				mm_vc_mem_size);
 
 			if (copy_to_user((void *) arg, &mm_vc_mem_size,
@@ -200,7 +190,7 @@ vc_mem_ioctl(struct file *file, unsigned
 			// Get the videocore memory base
 			vc_mem_get_base();
 
-			LOG_DBG("%s: VC_MEM_IOC_MEM_BASE=%u", __func__,
+			pr_debug("%s: VC_MEM_IOC_MEM_BASE=%u\n", __func__,
 				mm_vc_mem_base);
 
 			if (copy_to_user((void *) arg, &mm_vc_mem_base,
@@ -214,7 +204,7 @@ vc_mem_ioctl(struct file *file, unsigned
 			// Get the videocore memory base
 			vc_mem_get_base();
 
-			LOG_DBG("%s: VC_MEM_IOC_MEM_LOAD=%u", __func__,
+			pr_debug("%s: VC_MEM_IOC_MEM_LOAD=%u\n", __func__,
 				mm_vc_mem_base);
 
 			if (copy_to_user((void *) arg, &mm_vc_mem_base,
@@ -228,7 +218,7 @@ vc_mem_ioctl(struct file *file, unsigned
 			return -ENOTTY;
 		}
 	}
-	LOG_DBG("%s: file = 0x%p returning %d", __func__, file, rc);
+	pr_debug("%s: file = 0x%p returning %d\n", __func__, file, rc);
 
 	return rc;
 }
@@ -246,12 +236,12 @@ vc_mem_mmap(struct file *filp, struct vm
 	unsigned long length = vma->vm_end - vma->vm_start;
 	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
 
-	LOG_DBG("%s: vm_start = 0x%08lx vm_end = 0x%08lx vm_pgoff = 0x%08lx",
+	pr_debug("%s: vm_start = 0x%08lx vm_end = 0x%08lx vm_pgoff = 0x%08lx\n",
 		__func__, (long) vma->vm_start, (long) vma->vm_end,
 		(long) vma->vm_pgoff);
 
 	if (offset + length > mm_vc_mem_size) {
-		LOG_ERR("%s: length %ld is too big", __func__, length);
+		pr_err("%s: length %ld is too big\n", __func__, length);
 		return -EINVAL;
 	}
 	// Do not cache the memory map
@@ -261,7 +251,7 @@ vc_mem_mmap(struct file *filp, struct vm
 			     (mm_vc_mem_phys_addr >> PAGE_SHIFT) +
 			     vma->vm_pgoff, length, vma->vm_page_prot);
 	if (rc != 0) {
-		LOG_ERR("%s: remap_pfn_range failed (rc=%d)", __func__, rc);
+		pr_err("%s: remap_pfn_range failed (rc=%d)\n", __func__, rc);
 	}
 
 	return rc;
@@ -347,7 +337,7 @@ vc_mem_init(void)
 	int rc = -EFAULT;
 	struct device *dev;
 
-	LOG_DBG("%s: called", __func__);
+	pr_debug("%s: called\n", __func__);
 
 	mm_vc_mem_phys_addr = phys_addr;
 	mm_vc_mem_size = mem_size;
@@ -355,24 +345,25 @@ vc_mem_init(void)
 
 	vc_mem_get_size();
 
-	printk("vc-mem: phys_addr:0x%08lx mem_base=0x%08x mem_size:0x%08x(%u MiB)\n",
+	pr_info("vc-mem: phys_addr:0x%08lx mem_base=0x%08x mem_size:0x%08x(%u MiB)\n",
 		mm_vc_mem_phys_addr, mm_vc_mem_base, mm_vc_mem_size, mm_vc_mem_size / (1024 * 1024));
 
 	if ((rc = alloc_chrdev_region(&vc_mem_devnum, 0, 1, DRIVER_NAME)) < 0) {
-		LOG_ERR("%s: alloc_chrdev_region failed (rc=%d)", __func__, rc);
+		pr_err("%s: alloc_chrdev_region failed (rc=%d)\n",
+		       __func__, rc);
 		goto out_err;
 	}
 
 	cdev_init(&vc_mem_cdev, &vc_mem_fops);
 	if ((rc = cdev_add(&vc_mem_cdev, vc_mem_devnum, 1)) != 0) {
-		LOG_ERR("%s: cdev_add failed (rc=%d)", __func__, rc);
+		pr_err("%s: cdev_add failed (rc=%d)\n", __func__, rc);
 		goto out_unregister;
 	}
 
 	vc_mem_class = class_create(THIS_MODULE, DRIVER_NAME);
 	if (IS_ERR(vc_mem_class)) {
 		rc = PTR_ERR(vc_mem_class);
-		LOG_ERR("%s: class_create failed (rc=%d)", __func__, rc);
+		pr_err("%s: class_create failed (rc=%d)\n", __func__, rc);
 		goto out_cdev_del;
 	}
 
@@ -380,7 +371,7 @@ vc_mem_init(void)
 			    DRIVER_NAME);
 	if (IS_ERR(dev)) {
 		rc = PTR_ERR(dev);
-		LOG_ERR("%s: device_create failed (rc=%d)", __func__, rc);
+		pr_err("%s: device_create failed (rc=%d)\n", __func__, rc);
 		goto out_class_destroy;
 	}
 
@@ -417,7 +408,7 @@ vc_mem_init(void)
 static void __exit
 vc_mem_exit(void)
 {
-	LOG_DBG("%s: called", __func__);
+	pr_debug("%s: called\n", __func__);
 
 	if (vc_mem_inited) {
 #if CONFIG_DEBUG_FS