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openwrt/target/linux/brcm2708/patches-3.10/0145-vc_mem-tidy-up-debug-printing.patch
Florian Fainelli bb39b8d99a brcm2708: update against latest rpi-3.10.y branch 
Update our copies of the brcm2708 patches to the latest rpi-3.10-y
rebased against linux-3.10.y stable (3.10.32). This should hopefully
make it easier for us in the future to leverage the raspberry/rpi-*
branches.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 39770
2014-02-28 20:30:08 +00:00

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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
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