1 // SPDX-License-Identifier: GPL-2.0-or-later
30 	int addr = phy; /* PHY devices addresses start at 0x0 */  in mv88e6xxx_phy_read()
35 		return -EOPNOTSUPP;  in mv88e6xxx_phy_read()
37 	if (!chip->info->ops->phy_read)  in mv88e6xxx_phy_read()
38 		return -EOPNOTSUPP;  in mv88e6xxx_phy_read()
40 	return chip->info->ops->phy_read(chip, bus, addr, reg, val);  in mv88e6xxx_phy_read()
45 	int addr = phy; /* PHY devices addresses start at 0x0 */  in mv88e6xxx_phy_write()
50 		return -EOPNOTSUPP;  in mv88e6xxx_phy_write()
52 	if (!chip->info->ops->phy_write)  in mv88e6xxx_phy_write()
53 		return -EOPNOTSUPP;  in mv88e6xxx_phy_write()
55 	return chip->info->ops->phy_write(chip, bus, addr, reg, val);  in mv88e6xxx_phy_write()
73 		dev_err(chip->dev,  in mv88e6xxx_phy_page_put()
86 		return -EINVAL;  in mv88e6xxx_phy_page_read()
104 		return -EINVAL;  in mv88e6xxx_phy_page_write()
120 	if (!chip->info->ops->ppu_disable)  in mv88e6xxx_phy_ppu_disable()
123 	return chip->info->ops->ppu_disable(chip);  in mv88e6xxx_phy_ppu_disable()
128 	if (!chip->info->ops->ppu_enable)  in mv88e6xxx_phy_ppu_enable()
131 	return chip->info->ops->ppu_enable(chip);  in mv88e6xxx_phy_ppu_enable()
142 	if (mutex_trylock(&chip->ppu_mutex)) {  in mv88e6xxx_phy_ppu_reenable_work()
144 			chip->ppu_disabled = 0;  in mv88e6xxx_phy_ppu_reenable_work()
145 		mutex_unlock(&chip->ppu_mutex);  in mv88e6xxx_phy_ppu_reenable_work()
155 	schedule_work(&chip->ppu_work);  in mv88e6xxx_phy_ppu_reenable_timer()
162 	mutex_lock(&chip->ppu_mutex);  in mv88e6xxx_phy_ppu_access_get()
164 	/* If the PHY polling unit is enabled, disable it so that  in mv88e6xxx_phy_ppu_access_get()
166 	 * disabled, cancel the timer that is going to re-enable  in mv88e6xxx_phy_ppu_access_get()
169 	if (!chip->ppu_disabled) {  in mv88e6xxx_phy_ppu_access_get()
172 			mutex_unlock(&chip->ppu_mutex);  in mv88e6xxx_phy_ppu_access_get()
175 		chip->ppu_disabled = 1;  in mv88e6xxx_phy_ppu_access_get()
177 		del_timer(&chip->ppu_timer);  in mv88e6xxx_phy_ppu_access_get()
186 	/* Schedule a timer to re-enable the PHY polling unit. */  in mv88e6xxx_phy_ppu_access_put()
187 	mod_timer(&chip->ppu_timer, jiffies + msecs_to_jiffies(10));  in mv88e6xxx_phy_ppu_access_put()
188 	mutex_unlock(&chip->ppu_mutex);  in mv88e6xxx_phy_ppu_access_put()
193 	mutex_init(&chip->ppu_mutex);  in mv88e6xxx_phy_ppu_state_init()
194 	INIT_WORK(&chip->ppu_work, mv88e6xxx_phy_ppu_reenable_work);  in mv88e6xxx_phy_ppu_state_init()
195 	timer_setup(&chip->ppu_timer, mv88e6xxx_phy_ppu_reenable_timer, 0);  in mv88e6xxx_phy_ppu_state_init()
200 	del_timer_sync(&chip->ppu_timer);  in mv88e6xxx_phy_ppu_state_destroy()
233 	if (chip->info->ops->ppu_enable && chip->info->ops->ppu_disable)  in mv88e6xxx_phy_init()
239 	if (chip->info->ops->ppu_enable && chip->info->ops->ppu_disable)  in mv88e6xxx_phy_destroy()