Make physical addresses 'unsigned long'

Rather than having physical addresses be a void * pointer, make them
integer like; they're really just numbers because we can't ever
dereference them and they certainly aren't pointer-like.

1 files changed, 12 insertions, 12 deletions

diff --git a/bmm_lib.c b/bmm_lib.c
index c4d56f6..e39524d 100644
--- a/bmm_lib.c
+++ b/bmm_lib.c
@@ -104,7 +104,7 @@ void bmm_free(void *vaddr)
 	ioctl(bmm_fd, BMM_FREE, &io);
 }
 
-void *bmm_attach(void *paddr, unsigned long len)
+void *bmm_attach(unsigned long paddr, unsigned long len)
 {
 	void *vaddr;
 
@@ -114,7 +114,7 @@ void *bmm_attach(void *paddr, unsigned long len)
 	if(bmm_init() < 0)
 		return NULL;
 
-	vaddr = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED, bmm_fd, (unsigned long)paddr);
+	vaddr = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED, bmm_fd, paddr);
 
 	return ((int)vaddr == -1) ? NULL : vaddr;
 }
@@ -127,7 +127,7 @@ void bmm_detach(void *vaddr, unsigned long len)
 	munmap(vaddr, len);
 }
 
-void *bmm_get_vaddr(void *paddr)
+void *bmm_get_vaddr(unsigned long paddr)
 {
 	int ret;
 	ioctl_arg_t io;
@@ -135,7 +135,7 @@ void *bmm_get_vaddr(void *paddr)
 	if(bmm_init() < 0)
 		return NULL;
 
-	io.input = (unsigned long)paddr;
+	io.input = paddr;
 	io.output = 0;
 	io.arg = 0;
 	ret = ioctl(bmm_fd, BMM_GET_VIRT_ADDR, &io);
@@ -145,13 +145,13 @@ void *bmm_get_vaddr(void *paddr)
 	return (void *)io.output;
 }
 
-void *bmm_get_kern_paddr(void *vaddr, unsigned long size)
+unsigned long bmm_get_kern_paddr(void *vaddr, unsigned long size)
 {
 	int ret;
 	ioctl_arg_t io;
 
 	if(bmm_init() < 0)
-		return NULL;
+		return 0;
 
 	io.input = (unsigned long)vaddr;
 	io.length = (unsigned long)size;
@@ -159,27 +159,27 @@ void *bmm_get_kern_paddr(void *vaddr, unsigned long size)
 	io.arg = 0;
 	ret = ioctl(bmm_fd, BMM_GET_KERN_PHYS_ADDR, &io);
 	if(ret < 0)
-		return NULL;
+		return 0;
 
-	return (void *)io.output;
+	return io.output;
 }
 
-void *bmm_get_paddr(void *vaddr)
+unsigned long bmm_get_paddr(void *vaddr)
 {
 	int ret;
 	ioctl_arg_t io;
 
 	if(bmm_init() < 0)
-		return NULL;
+		return 0;
 
 	io.input = (unsigned long)vaddr;
 	io.output = 0;
 	io.arg = 0;
 	ret = ioctl(bmm_fd,BMM_GET_PHYS_ADDR, &io);
 	if(ret < 0)
-		return NULL;
+		return 0;
 
-	return (void *)io.output;
+	return io.output;
 }
 
 unsigned long bmm_get_mem_size(void *vaddr)