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authorMike Frysinger <vapier@gentoo.org>2010-07-27 18:35:08 -0400
committerBen Warren <biggerbadderben@gmail.com>2010-08-09 11:52:29 -0700
commit5700bb63522c2af9276f25a15448b61f19d72841 (patch)
tree61d112f470573e55e8dc32cd02eec52d14020b7c /common/miiphyutil.c
parent78b7a8ef8b37582a37a5c2381191061380b42831 (diff)
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miiphy: constify device name
The driver name does not need to be writable, so constify it. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Diffstat (limited to 'common/miiphyutil.c')
-rw-r--r--common/miiphyutil.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/common/miiphyutil.c b/common/miiphyutil.c
index 4b186dd..a299b12 100644
--- a/common/miiphyutil.c
+++ b/common/miiphyutil.c
@@ -46,10 +46,10 @@
struct mii_dev {
struct list_head link;
- char *name;
- int (*read) (char *devname, unsigned char addr,
+ const char *name;
+ int (*read) (const char *devname, unsigned char addr,
unsigned char reg, unsigned short *value);
- int (*write) (char *devname, unsigned char addr,
+ int (*write) (const char *devname, unsigned char addr,
unsigned char reg, unsigned short value);
};
@@ -60,7 +60,7 @@ static struct mii_dev *current_mii;
*
* Initialize global data. Need to be called before any other miiphy routine.
*/
-void miiphy_init ()
+void miiphy_init(void)
{
INIT_LIST_HEAD (&mii_devs);
current_mii = NULL;
@@ -70,16 +70,17 @@ void miiphy_init ()
*
* Register read and write MII access routines for the device <name>.
*/
-void miiphy_register (char *name,
- int (*read) (char *devname, unsigned char addr,
+void miiphy_register(const char *name,
+ int (*read) (const char *devname, unsigned char addr,
unsigned char reg, unsigned short *value),
- int (*write) (char *devname, unsigned char addr,
+ int (*write) (const char *devname, unsigned char addr,
unsigned char reg, unsigned short value))
{
struct list_head *entry;
struct mii_dev *new_dev;
struct mii_dev *miidev;
unsigned int name_len;
+ char *new_name;
/* check if we have unique name */
list_for_each (entry, &mii_devs) {
@@ -107,9 +108,9 @@ void miiphy_register (char *name,
INIT_LIST_HEAD (&new_dev->link);
new_dev->read = read;
new_dev->write = write;
- new_dev->name = (char *)(new_dev + 1);
- strncpy (new_dev->name, name, name_len);
- new_dev->name[name_len] = '\0';
+ new_dev->name = new_name = (char *)(new_dev + 1);
+ strncpy (new_name, name, name_len);
+ new_name[name_len] = '\0';
debug ("miiphy_register: added '%s', read=0x%08lx, write=0x%08lx\n",
new_dev->name, new_dev->read, new_dev->write);
@@ -121,7 +122,7 @@ void miiphy_register (char *name,
current_mii = new_dev;
}
-int miiphy_set_current_dev (char *devname)
+int miiphy_set_current_dev(const char *devname)
{
struct list_head *entry;
struct mii_dev *dev;
@@ -139,7 +140,7 @@ int miiphy_set_current_dev (char *devname)
return 1;
}
-char *miiphy_get_current_dev ()
+const char *miiphy_get_current_dev(void)
{
if (current_mii)
return current_mii->name;
@@ -155,7 +156,7 @@ char *miiphy_get_current_dev ()
* Returns:
* 0 on success
*/
-int miiphy_read (char *devname, unsigned char addr, unsigned char reg,
+int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
unsigned short *value)
{
struct list_head *entry;
@@ -192,7 +193,7 @@ int miiphy_read (char *devname, unsigned char addr, unsigned char reg,
* Returns:
* 0 on success
*/
-int miiphy_write (char *devname, unsigned char addr, unsigned char reg,
+int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
unsigned short value)
{
struct list_head *entry;
@@ -252,7 +253,7 @@ void miiphy_listdev (void)
* Returns:
* 0 on success
*/
-int miiphy_info (char *devname, unsigned char addr, unsigned int *oui,
+int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
unsigned char *model, unsigned char *rev)
{
unsigned int reg = 0;
@@ -290,7 +291,7 @@ int miiphy_info (char *devname, unsigned char addr, unsigned int *oui,
* Returns:
* 0 on success
*/
-int miiphy_reset (char *devname, unsigned char addr)
+int miiphy_reset(const char *devname, unsigned char addr)
{
unsigned short reg;
int timeout = 500;
@@ -332,7 +333,7 @@ int miiphy_reset (char *devname, unsigned char addr)
*
* Determine the ethernet speed (10/100/1000). Return 10 on error.
*/
-int miiphy_speed (char *devname, unsigned char addr)
+int miiphy_speed(const char *devname, unsigned char addr)
{
u16 bmcr, anlpar;
@@ -386,7 +387,7 @@ miiphy_read_failed:
*
* Determine full/half duplex. Return half on error.
*/
-int miiphy_duplex (char *devname, unsigned char addr)
+int miiphy_duplex(const char *devname, unsigned char addr)
{
u16 bmcr, anlpar;
@@ -446,7 +447,7 @@ miiphy_read_failed:
* Return 1 if PHY supports 1000BASE-X, 0 if PHY supports 10BASE-T/100BASE-TX/
* 1000BASE-T, or on error.
*/
-int miiphy_is_1000base_x (char *devname, unsigned char addr)
+int miiphy_is_1000base_x(const char *devname, unsigned char addr)
{
#if defined(CONFIG_PHY_GIGE)
u16 exsr;
@@ -467,7 +468,7 @@ int miiphy_is_1000base_x (char *devname, unsigned char addr)
*
* Determine link status
*/
-int miiphy_link (char *devname, unsigned char addr)
+int miiphy_link(const char *devname, unsigned char addr)
{
unsigned short reg;