1 files changed, 25 insertions, 7 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e03d1ae50c3e..88829eb9568e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -69,8 +69,8 @@
 
 #define DRV_MODULE_NAME         "tg3"
 #define PFX DRV_MODULE_NAME     ": "
-#define DRV_MODULE_VERSION      "3.52"
-#define DRV_MODULE_RELDATE      "Mar 06, 2006"
+#define DRV_MODULE_VERSION      "3.53"
+#define DRV_MODULE_RELDATE      "Mar 22, 2006"
 
 #define TG3_DEF_MAC_MODE        0
 #define TG3_DEF_RX_MODE         0
@@ -1148,6 +1148,19 @@ static int tg3_halt_cpu(struct tg3 *, u32);
 static int tg3_nvram_lock(struct tg3 *);
 static void tg3_nvram_unlock(struct tg3 *);
 
+static void tg3_power_down_phy(struct tg3 *tp)
+{
+        /* The PHY should not be powered down on some chips because
+         * of bugs.
+         */
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
+            (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
+             (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
+                return;
+        tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+}
+
 static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
 {
         u32 misc_host_ctrl;
@@ -1327,8 +1340,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
                         tg3_writephy(tp, MII_TG3_EXT_CTRL,
                                      MII_TG3_EXT_CTRL_FORCE_LED_OFF);
                         tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
-                        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
-                                tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+                        tg3_power_down_phy(tp);
                 }
         }
 
@@ -9436,12 +9448,18 @@ static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
         return NULL;
 }
 
-/* Since this function may be called in D3-hot power state during
- * tg3_init_one(), only config cycles are allowed.
- */
 static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
 {
         u32 val;
+        u16 pmcsr;
+
+        /* On some early chips the SRAM cannot be accessed in D3hot state,
+         * so need make sure we're in D0.
+         */
+        pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
+        pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+        pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
+        msleep(1);
 
         /* Make sure register accesses (indirect or otherwise)
          * will function correctly.