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-rw-r--r--drivers/net/tg3.c54
1 files changed, 33 insertions, 21 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index d443b7372325..eafca2a0dd00 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4662,6 +4662,35 @@ static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4662 } 4662 }
4663} 4663}
4664 4664
4665static int tg3_poll_fw(struct tg3 *tp)
4666{
4667 int i;
4668 u32 val;
4669
4670 /* Wait for firmware initialization to complete. */
4671 for (i = 0; i < 100000; i++) {
4672 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4673 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4674 break;
4675 udelay(10);
4676 }
4677
4678 /* Chip might not be fitted with firmware. Some Sun onboard
4679 * parts are configured like that. So don't signal the timeout
4680 * of the above loop as an error, but do report the lack of
4681 * running firmware once.
4682 */
4683 if (i >= 100000 &&
4684 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4685 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4686
4687 printk(KERN_INFO PFX "%s: No firmware running.\n",
4688 tp->dev->name);
4689 }
4690
4691 return 0;
4692}
4693
4665static void tg3_stop_fw(struct tg3 *); 4694static void tg3_stop_fw(struct tg3 *);
4666 4695
4667/* tp->lock is held. */ 4696/* tp->lock is held. */
@@ -4669,7 +4698,7 @@ static int tg3_chip_reset(struct tg3 *tp)
4669{ 4698{
4670 u32 val; 4699 u32 val;
4671 void (*write_op)(struct tg3 *, u32, u32); 4700 void (*write_op)(struct tg3 *, u32, u32);
4672 int i; 4701 int err;
4673 4702
4674 tg3_nvram_lock(tp); 4703 tg3_nvram_lock(tp);
4675 4704
@@ -4829,26 +4858,9 @@ static int tg3_chip_reset(struct tg3 *tp)
4829 tw32_f(MAC_MODE, 0); 4858 tw32_f(MAC_MODE, 0);
4830 udelay(40); 4859 udelay(40);
4831 4860
4832 /* Wait for firmware initialization to complete. */ 4861 err = tg3_poll_fw(tp);
4833 for (i = 0; i < 100000; i++) { 4862 if (err)
4834 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val); 4863 return err;
4835 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4836 break;
4837 udelay(10);
4838 }
4839
4840 /* Chip might not be fitted with firmare. Some Sun onboard
4841 * parts are configured like that. So don't signal the timeout
4842 * of the above loop as an error, but do report the lack of
4843 * running firmware once.
4844 */
4845 if (i >= 100000 &&
4846 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4847 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4848
4849 printk(KERN_INFO PFX "%s: No firmware running.\n",
4850 tp->dev->name);
4851 }
4852 4864
4853 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && 4865 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
4854 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) { 4866 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {