aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/phy/phy_device.c
diff options
context:
space:
mode:
authorJeff Garzik <jgarzik@pobox.com>2005-08-11 02:47:54 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-08-11 02:47:54 -0400
commit2bf69b5fe90b3246ab50064c5a690a363e8c53e2 (patch)
treefcae64d1ea5670ca8cb33d5711e181708927e883 /drivers/net/phy/phy_device.c
parent67c4f3fa25502ce7ed82fb0307e09cf36f1f81da (diff)
phy subsystem: more cleanups
- unexport symbols never used outside of home module - remove dead code - remove CONFIG_PHYCONTROL, make it unconditionally enabled
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r--drivers/net/phy/phy_device.c130
1 files changed, 1 insertions, 129 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index c11138330fed..c44d54f6310a 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -124,133 +124,6 @@ void phy_prepare_link(struct phy_device *phydev,
124 phydev->adjust_link = handler; 124 phydev->adjust_link = handler;
125} 125}
126 126
127#ifdef CONFIG_PHYCONTROL
128/* phy_connect:
129 *
130 * description: Convenience function for connecting ethernet
131 * devices to PHY devices. The default behavior is for
132 * the PHY infrastructure to handle everything, and only notify
133 * the connected driver when the link status changes. If you
134 * don't want, or can't use the provided functionality, you may
135 * choose to call only the subset of functions which provide
136 * the desired functionality.
137 */
138struct phy_device * phy_connect(struct net_device *dev, const char *phy_id,
139 void (*handler)(struct net_device *), u32 flags)
140{
141 struct phy_device *phydev;
142
143 phydev = phy_attach(dev, phy_id, flags);
144
145 if (IS_ERR(phydev))
146 return phydev;
147
148 phy_prepare_link(phydev, handler);
149
150 phy_start_machine(phydev, NULL);
151
152 if (phydev->irq > 0)
153 phy_start_interrupts(phydev);
154
155 return phydev;
156}
157EXPORT_SYMBOL(phy_connect);
158
159void phy_disconnect(struct phy_device *phydev)
160{
161 if (phydev->irq > 0)
162 phy_stop_interrupts(phydev);
163
164 phy_stop_machine(phydev);
165
166 phydev->adjust_link = NULL;
167
168 phy_detach(phydev);
169}
170EXPORT_SYMBOL(phy_disconnect);
171
172#endif /* CONFIG_PHYCONTROL */
173
174/* phy_attach:
175 *
176 * description: Called by drivers to attach to a particular PHY
177 * device. The phy_device is found, and properly hooked up
178 * to the phy_driver. If no driver is attached, then the
179 * genphy_driver is used. The phy_device is given a ptr to
180 * the attaching device, and given a callback for link status
181 * change. The phy_device is returned to the attaching
182 * driver.
183 */
184static int phy_compare_id(struct device *dev, void *data)
185{
186 return strcmp((char *)data, dev->bus_id) ? 0 : 1;
187}
188
189struct phy_device *phy_attach(struct net_device *dev,
190 const char *phy_id, u32 flags)
191{
192 struct bus_type *bus = &mdio_bus_type;
193 struct phy_device *phydev;
194 struct device *d;
195
196 /* Search the list of PHY devices on the mdio bus for the
197 * PHY with the requested name */
198 d = bus_find_device(bus, NULL, (void *)phy_id, phy_compare_id);
199
200 if (d) {
201 phydev = to_phy_device(d);
202 } else {
203 printk(KERN_ERR "%s not found\n", phy_id);
204 return ERR_PTR(-ENODEV);
205 }
206
207 /* Assume that if there is no driver, that it doesn't
208 * exist, and we should use the genphy driver. */
209 if (NULL == d->driver) {
210 int err;
211 down_write(&d->bus->subsys.rwsem);
212 d->driver = &genphy_driver.driver;
213
214 err = d->driver->probe(d);
215
216 if (err < 0)
217 return ERR_PTR(err);
218
219 device_bind_driver(d);
220 up_write(&d->bus->subsys.rwsem);
221 }
222
223 if (phydev->attached_dev) {
224 printk(KERN_ERR "%s: %s already attached\n",
225 dev->name, phy_id);
226 return ERR_PTR(-EBUSY);
227 }
228
229 phydev->attached_dev = dev;
230
231 phydev->dev_flags = flags;
232
233 return phydev;
234}
235EXPORT_SYMBOL(phy_attach);
236
237void phy_detach(struct phy_device *phydev)
238{
239 phydev->attached_dev = NULL;
240
241 /* If the device had no specific driver before (i.e. - it
242 * was using the generic driver), we unbind the device
243 * from the generic driver so that there's a chance a
244 * real driver could be loaded */
245 if (phydev->dev.driver == &genphy_driver.driver) {
246 down_write(&phydev->dev.bus->subsys.rwsem);
247 device_release_driver(&phydev->dev);
248 up_write(&phydev->dev.bus->subsys.rwsem);
249 }
250}
251EXPORT_SYMBOL(phy_detach);
252
253
254/* Generic PHY support and helper functions */ 127/* Generic PHY support and helper functions */
255 128
256/* genphy_config_advert 129/* genphy_config_advert
@@ -259,7 +132,7 @@ EXPORT_SYMBOL(phy_detach);
259 * after sanitizing the values to make sure we only advertise 132 * after sanitizing the values to make sure we only advertise
260 * what is supported 133 * what is supported
261 */ 134 */
262int genphy_config_advert(struct phy_device *phydev) 135static int genphy_config_advert(struct phy_device *phydev)
263{ 136{
264 u32 advertise; 137 u32 advertise;
265 int adv; 138 int adv;
@@ -317,7 +190,6 @@ int genphy_config_advert(struct phy_device *phydev)
317 190
318 return adv; 191 return adv;
319} 192}
320EXPORT_SYMBOL(genphy_config_advert);
321 193
322/* genphy_setup_forced 194/* genphy_setup_forced
323 * 195 *