switch: improve error messages

This is in part based on a patch send by Nathan Hintz <nlhintz@hotmail.com>

SVN-Revision: 34991

diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
index 3751653a6d95fa95b9c54a82b68d6aa117a0cc9c..f9b306cf101be1d999d6cf3080b398b8b7bcb798 100644 (file)
--- a/package/switch/src/switch-robo.c
+++ b/package/switch/src/switch-robo.c
@@ -103,8 +103,7 @@ static u16 mdio_read(__u16 phy_id, __u8 reg)
 
        err = do_ioctl(SIOCGMIIREG);
        if (err < 0) {
-               printk(KERN_ERR PFX
-                      "[%s:%d] SIOCGMIIREG failed! err: %i\n", __FILE__, __LINE__, err);
+               printk(KERN_ERR PFX "failed to read mdio reg %i with err %i.\n", reg, err);
 
                return 0xffff;
        }
@@ -123,8 +122,7 @@ static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
 
        err = do_ioctl(SIOCSMIIREG);
        if (err < 0) {
-               printk(KERN_ERR PFX
-                      "[%s:%d] SIOCSMIIREG failed! err: %i\n", __FILE__, __LINE__, err);
+               printk(KERN_ERR PFX "failed to write mdio reg: %i with err %i.\n", reg, err);
                return;
        }
 }
@@ -147,7 +145,7 @@ static int robo_reg(__u8 page, __u8 reg, __u8 op)
                        return 0;
        }
 
-       printk(KERN_ERR PFX "[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
+       printk(KERN_ERR PFX "timeout in robo_reg on page %i and reg %i with op %i.\n", page, reg, op);
 
        return 0;
 }
@@ -224,7 +222,7 @@ static int robo_switch_enable(void)
                robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
                val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
                if (!(val & (1 << 1))) {
-                       printk("Failed to enable switch\n");
+                       printk(KERN_ERR PFX "Failed to enable switch\n");
                        return -EBUSY;
                }
 
@@ -262,15 +260,15 @@ static int robo_probe(char *devname)
        unsigned int i;
        int err = 1;
 
-       printk(KERN_INFO PFX "Probing device %s: ", devname);
+       printk(KERN_INFO PFX "Probing device '%s'\n", devname);
        strcpy(robo.ifr.ifr_name, devname);
 
        if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
-               printk("No such device\n");
+               printk(KERN_ERR PFX "No such device\n");
                return 1;
        }
        if (!robo.dev->netdev_ops || !robo.dev->netdev_ops->ndo_do_ioctl) {
-               printk("ndo_do_ioctl not implemented in ethernet driver\n");
+               printk(KERN_ERR PFX "ndo_do_ioctl not implemented in ethernet driver\n");
                return 1;
        }
 
@@ -280,8 +278,9 @@ static int robo_probe(char *devname)
        robo.port[5] = 8;
 
        /* try access using MII ioctls - get phy address */
-       if (do_ioctl(SIOCGMIIPHY) < 0) {
-               printk("error while accessing MII phy registers with ioctls\n");
+       err = do_ioctl(SIOCGMIIPHY);
+       if (err < 0) {
+               printk(KERN_ERR PFX "error (%i) while accessing MII phy registers with ioctls\n", err);
                goto done;
        }
 
@@ -290,7 +289,7 @@ static int robo_probe(char *devname)
        if ((mii->phy_id != ROBO_PHY_ADDR) &&
            (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
            (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
-               printk("Invalid phy address (%d)\n", mii->phy_id);
+               printk(KERN_ERR PFX "Invalid phy address (%d)\n", mii->phy_id);
                goto done;
        }
 
@@ -298,7 +297,7 @@ static int robo_probe(char *devname)
                (mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
 
        if (phyid == 0xffffffff || phyid == 0x55210022) {
-               printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
+               printk(KERN_ERR PFX "No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
                goto done;
        }
 
@@ -319,8 +318,8 @@ static int robo_probe(char *devname)
                goto done;
        err = 0;
 
-       printk("found a 5%s%x!%s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
-               robo.is_5350 ? " It's a 5350." : "");
+       printk(KERN_INFO PFX "found a 5%s%x!%s at %s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
+               robo.is_5350 ? " It's a 5350." : "", devname);
 
 done:
        if (err) {