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authorDavid S. Miller <davem@davemloft.net>2014-08-16 22:15:21 -0400
committerDavid S. Miller <davem@davemloft.net>2014-08-16 22:15:21 -0400
commited607b82cad5bc72957b4c8c4b35670950c3b0de (patch)
treef30ecee25e4f64fa837c827154ab15095ec3785c
parentc9d26423e56ce1ab4d786f92aebecf859d419293 (diff)
parent82c084f56a01160afa39d4b6899b66c7153d0002 (diff)
Merge branch 'bcm7xxx'
Florian Fainelli says: ==================== net: phy: bcm7xxx internal PHY fixes Here are 3 small fixes for the Broadcom BCM7xxx internal PHY targeting suspend/resume issues. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/bcm7xxx.c42
-rw-r--r--include/linux/brcmphy.h1
2 files changed, 21 insertions, 22 deletions
diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index 526b94cea569..fdce1ea28790 100644
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c
@@ -157,6 +157,23 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
157 return bcm7xxx_28nm_afe_config_init(phydev); 157 return bcm7xxx_28nm_afe_config_init(phydev);
158} 158}
159 159
160static int bcm7xxx_28nm_resume(struct phy_device *phydev)
161{
162 int ret;
163
164 /* Re-apply workarounds coming out suspend/resume */
165 ret = bcm7xxx_28nm_config_init(phydev);
166 if (ret)
167 return ret;
168
169 /* 28nm Gigabit PHYs come out of reset without any half-duplex
170 * or "hub" compliant advertised mode, fix that. This does not
171 * cause any problems with the PHY library since genphy_config_aneg()
172 * gracefully handles auto-negotiated and forced modes.
173 */
174 return genphy_config_aneg(phydev);
175}
176
160static int phy_set_clr_bits(struct phy_device *dev, int location, 177static int phy_set_clr_bits(struct phy_device *dev, int location,
161 int set_mask, int clr_mask) 178 int set_mask, int clr_mask)
162{ 179{
@@ -212,7 +229,7 @@ static int bcm7xxx_config_init(struct phy_device *phydev)
212} 229}
213 230
214/* Workaround for putting the PHY in IDDQ mode, required 231/* Workaround for putting the PHY in IDDQ mode, required
215 * for all BCM7XXX PHYs 232 * for all BCM7XXX 40nm and 65nm PHYs
216 */ 233 */
217static int bcm7xxx_suspend(struct phy_device *phydev) 234static int bcm7xxx_suspend(struct phy_device *phydev)
218{ 235{
@@ -257,8 +274,7 @@ static struct phy_driver bcm7xxx_driver[] = {
257 .config_init = bcm7xxx_28nm_afe_config_init, 274 .config_init = bcm7xxx_28nm_afe_config_init,
258 .config_aneg = genphy_config_aneg, 275 .config_aneg = genphy_config_aneg,
259 .read_status = genphy_read_status, 276 .read_status = genphy_read_status,
260 .suspend = bcm7xxx_suspend, 277 .resume = bcm7xxx_28nm_resume,
261 .resume = bcm7xxx_28nm_afe_config_init,
262 .driver = { .owner = THIS_MODULE }, 278 .driver = { .owner = THIS_MODULE },
263}, { 279}, {
264 .phy_id = PHY_ID_BCM7439, 280 .phy_id = PHY_ID_BCM7439,
@@ -270,8 +286,7 @@ static struct phy_driver bcm7xxx_driver[] = {
270 .config_init = bcm7xxx_28nm_afe_config_init, 286 .config_init = bcm7xxx_28nm_afe_config_init,
271 .config_aneg = genphy_config_aneg, 287 .config_aneg = genphy_config_aneg,
272 .read_status = genphy_read_status, 288 .read_status = genphy_read_status,
273 .suspend = bcm7xxx_suspend, 289 .resume = bcm7xxx_28nm_resume,
274 .resume = bcm7xxx_28nm_afe_config_init,
275 .driver = { .owner = THIS_MODULE }, 290 .driver = { .owner = THIS_MODULE },
276}, { 291}, {
277 .phy_id = PHY_ID_BCM7445, 292 .phy_id = PHY_ID_BCM7445,
@@ -283,21 +298,7 @@ static struct phy_driver bcm7xxx_driver[] = {
283 .config_init = bcm7xxx_28nm_config_init, 298 .config_init = bcm7xxx_28nm_config_init,
284 .config_aneg = genphy_config_aneg, 299 .config_aneg = genphy_config_aneg,
285 .read_status = genphy_read_status, 300 .read_status = genphy_read_status,
286 .suspend = bcm7xxx_suspend, 301 .resume = bcm7xxx_28nm_afe_config_init,
287 .resume = bcm7xxx_28nm_config_init,
288 .driver = { .owner = THIS_MODULE },
289}, {
290 .name = "Broadcom BCM7XXX 28nm",
291 .phy_id = PHY_ID_BCM7XXX_28,
292 .phy_id_mask = PHY_BCM_OUI_MASK,
293 .features = PHY_GBIT_FEATURES |
294 SUPPORTED_Pause | SUPPORTED_Asym_Pause,
295 .flags = PHY_IS_INTERNAL,
296 .config_init = bcm7xxx_28nm_config_init,
297 .config_aneg = genphy_config_aneg,
298 .read_status = genphy_read_status,
299 .suspend = bcm7xxx_suspend,
300 .resume = bcm7xxx_28nm_config_init,
301 .driver = { .owner = THIS_MODULE }, 302 .driver = { .owner = THIS_MODULE },
302}, { 303}, {
303 .phy_id = PHY_BCM_OUI_4, 304 .phy_id = PHY_BCM_OUI_4,
@@ -331,7 +332,6 @@ static struct mdio_device_id __maybe_unused bcm7xxx_tbl[] = {
331 { PHY_ID_BCM7366, 0xfffffff0, }, 332 { PHY_ID_BCM7366, 0xfffffff0, },
332 { PHY_ID_BCM7439, 0xfffffff0, }, 333 { PHY_ID_BCM7439, 0xfffffff0, },
333 { PHY_ID_BCM7445, 0xfffffff0, }, 334 { PHY_ID_BCM7445, 0xfffffff0, },
334 { PHY_ID_BCM7XXX_28, 0xfffffc00 },
335 { PHY_BCM_OUI_4, 0xffff0000 }, 335 { PHY_BCM_OUI_4, 0xffff0000 },
336 { PHY_BCM_OUI_5, 0xffffff00 }, 336 { PHY_BCM_OUI_5, 0xffffff00 },
337 { } 337 { }
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 6f76277baf39..61219b9b3445 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -16,7 +16,6 @@
16#define PHY_ID_BCM7366 0x600d8490 16#define PHY_ID_BCM7366 0x600d8490
17#define PHY_ID_BCM7439 0x600d8480 17#define PHY_ID_BCM7439 0x600d8480
18#define PHY_ID_BCM7445 0x600d8510 18#define PHY_ID_BCM7445 0x600d8510
19#define PHY_ID_BCM7XXX_28 0x600d8400
20 19
21#define PHY_BCM_OUI_MASK 0xfffffc00 20#define PHY_BCM_OUI_MASK 0xfffffc00
22#define PHY_BCM_OUI_1 0x00206000 21#define PHY_BCM_OUI_1 0x00206000