On Wed, 25 Oct 2006 15:27:09 -0700 David Brownell wrote:
> Instead, "usbnet.c" should #ifdef the relevant ethtool hooks
> according to CONFIG_MII ... since it's completely legit to
> use usbnet with peripherals that don't need MII.
---
From: Randy Dunlap <[EMAIL PROTECTED]>
usbnet driver should use mii_*() interfaces if they are available
in the kernel (config enabled) but usbnet does not require or depend
on these interfaces.
Build tested with CONFIG_MII=y, m, n.
Signed-off-by: Randy Dunlap <[EMAIL PROTECTED]>
---
drivers/usb/net/usbnet.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
--- linux-2619-rc3-pv.orig/drivers/usb/net/usbnet.c
+++ linux-2619-rc3-pv/drivers/usb/net/usbnet.c
@@ -47,6 +47,12 @@
#define DRIVER_VERSION "22-Aug-2005"
+#if defined(CONFIG_MII) || defined(CONFIG_MII_MODULE)
+#define HAVE_MII 1
+#else
+#define HAVE_MII 0
+#endif
+
/*-------------------------------------------------------------------------*/
@@ -676,7 +682,10 @@ int usbnet_get_settings (struct net_devi
if (!dev->mii.mdio_read)
return -EOPNOTSUPP;
+#if HAVE_MII
return mii_ethtool_gset(&dev->mii, cmd);
+#endif
+ return -EOPNOTSUPP;
}
EXPORT_SYMBOL_GPL(usbnet_get_settings);
@@ -688,7 +697,11 @@ int usbnet_set_settings (struct net_devi
if (!dev->mii.mdio_write)
return -EOPNOTSUPP;
+#if HAVE_MII
retval = mii_ethtool_sset(&dev->mii, cmd);
+#else
+ retval = -EOPNOTSUPP;
+#endif
/* link speed/duplex might have changed */
if (dev->driver_info->link_reset)
@@ -721,9 +734,11 @@ u32 usbnet_get_link (struct net_device *
if (dev->driver_info->check_connect)
return dev->driver_info->check_connect (dev) == 0;
+#if HAVE_MII
/* if the device has mii operations, use those */
if (dev->mii.mdio_read)
return mii_link_ok(&dev->mii);
+#endif
/* Otherwise, say we're up (to avoid breaking scripts) */
return 1;
@@ -753,7 +768,10 @@ int usbnet_nway_reset(struct net_device
if (!dev->mii.mdio_write)
return -EOPNOTSUPP;
+#if HAVE_MII
return mii_nway_restart(&dev->mii);
+#endif
+ return -EOPNOTSUPP;
}
EXPORT_SYMBOL_GPL(usbnet_nway_reset);
-
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