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>

3 files changed, 10 insertions, 10 deletions

diff --git a/arch/powerpc/cpu/mpc8220/fec.c b/arch/powerpc/cpu/mpc8220/fec.c
index 9a6d434dba6..00879dff5c9 100644
--- a/arch/powerpc/cpu/mpc8220/fec.c
+++ b/arch/powerpc/cpu/mpc8220/fec.c
@@ -34,8 +34,8 @@ typedef struct {
 	u8 head[16];		/* MAC header(6 + 6 + 2) + 2(aligned) */
 } NBUF;
 
-int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal);
-int fec8220_miiphy_write (char *devname, u8 phyAddr, u8 regAddr, u16 data);
+int fec8220_miiphy_read (const char *devname, u8 phyAddr, u8 regAddr, u16 *retVal);
+int fec8220_miiphy_write (const char *devname, u8 phyAddr, u8 regAddr, u16 data);
 
 /********************************************************************/
 #ifdef DEBUG
@@ -881,7 +881,7 @@ int mpc8220_fec_initialize (bd_t * bis)
 
 /* MII-interface related functions */
 /********************************************************************/
-int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal)
+int fec8220_miiphy_read (const char *devname, u8 phyAddr, u8 regAddr, u16 *retVal)
 {
 	ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1;
 	u32 reg;		/* convenient holder for the PHY register */
@@ -925,7 +925,7 @@ int fec8220_miiphy_read (char *devname, u8 phyAddr, u8 regAddr, u16 * retVal)
 }
 
 /********************************************************************/
-int fec8220_miiphy_write (char *devname, u8 phyAddr, u8 regAddr, u16 data)
+int fec8220_miiphy_write(const char *devname, u8 phyAddr, u8 regAddr, u16 data)
 {
 	ethernet_regs *eth = (ethernet_regs *) MMAP_FEC1;
 	u32 reg;		/* convenient holder for the PHY register */
diff --git a/arch/powerpc/cpu/mpc8xx/fec.c b/arch/powerpc/cpu/mpc8xx/fec.c
index 754f8db9ed1..d4abeb1b2f1 100644
--- a/arch/powerpc/cpu/mpc8xx/fec.c
+++ b/arch/powerpc/cpu/mpc8xx/fec.c
@@ -63,9 +63,9 @@ DECLARE_GLOBAL_DATA_PTR;
 static int mii_discover_phy(struct eth_device *dev);
 #endif
 
-int fec8xx_miiphy_read(char *devname, unsigned char addr,
+int fec8xx_miiphy_read(const char *devname, unsigned char addr,
 		unsigned char  reg, unsigned short *value);
-int fec8xx_miiphy_write(char *devname, unsigned char  addr,
+int fec8xx_miiphy_write(const char *devname, unsigned char  addr,
 		unsigned char  reg, unsigned short value);
 
 static struct ether_fcc_info_s
@@ -990,7 +990,7 @@ void mii_init (void)
  *	  Otherwise they hang in mii_send() !!! Sorry!
  *****************************************************************************/
 
-int fec8xx_miiphy_read(char *devname, unsigned char addr,
+int fec8xx_miiphy_read(const char *devname, unsigned char addr,
 		unsigned char  reg, unsigned short *value)
 {
 	short rdreg;    /* register working value */
@@ -1007,7 +1007,7 @@ int fec8xx_miiphy_read(char *devname, unsigned char addr,
 	return 0;
 }
 
-int fec8xx_miiphy_write(char *devname, unsigned char  addr,
+int fec8xx_miiphy_write(const char *devname, unsigned char  addr,
 		unsigned char  reg, unsigned short value)
 {
 	short rdreg;    /* register working value */
diff --git a/arch/powerpc/cpu/ppc4xx/miiphy.c b/arch/powerpc/cpu/ppc4xx/miiphy.c
index 22ed5c25ea1..4fec126f40b 100644
--- a/arch/powerpc/cpu/ppc4xx/miiphy.c
+++ b/arch/powerpc/cpu/ppc4xx/miiphy.c
@@ -338,7 +338,7 @@ static int emac_miiphy_command(u8 addr, u8 reg, int cmd, u16 value)
 	return 0;
 }
 
-int emac4xx_miiphy_read (char *devname, unsigned char addr, unsigned char reg,
+int emac4xx_miiphy_read (const char *devname, unsigned char addr, unsigned char reg,
 			 unsigned short *value)
 {
 	unsigned long sta_reg;
@@ -359,7 +359,7 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr, unsigned char reg,
 /* write a phy reg and return the value with a rc	    */
 /***********************************************************/
 
-int emac4xx_miiphy_write (char *devname, unsigned char addr, unsigned char reg,
+int emac4xx_miiphy_write (const char *devname, unsigned char addr, unsigned char reg,
 			  unsigned short value)
 {
 	return emac_miiphy_command(addr, reg, EMAC_STACR_WRITE, value);