diff options
| author | Michael Chan <mchan@broadcom.com> | 2006-09-27 16:03:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-09-28 18:01:39 -0700 |
| commit | 7a6f4369449a471a6e5718a87c53ac75a46960ba (patch) | |
| tree | 16de5bf219d8c9730ff4ac0f4a06eb9b0e975f73 | |
| parent | 126a336822a6594662f5898f1ddf33e6d048fcc7 (diff) | |
| download | linux-3.10-7a6f4369449a471a6e5718a87c53ac75a46960ba.tar.gz linux-3.10-7a6f4369449a471a6e5718a87c53ac75a46960ba.tar.bz2 linux-3.10-7a6f4369449a471a6e5718a87c53ac75a46960ba.zip | |
[TG3]: Add tg3_poll_fw().
Put the firmware polling logic into a separate function. This makes
the code cleaner.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tg3.c | 54 |
1 files changed, 33 insertions, 21 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index d443b737232..eafca2a0dd0 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) } } +static int tg3_poll_fw(struct tg3 *tp) +{ + int i; + u32 val; + + /* Wait for firmware initialization to complete. */ + for (i = 0; i < 100000; i++) { + tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val); + if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) + break; + udelay(10); + } + + /* Chip might not be fitted with firmware. Some Sun onboard + * parts are configured like that. So don't signal the timeout + * of the above loop as an error, but do report the lack of + * running firmware once. + */ + if (i >= 100000 && + !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) { + tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED; + + printk(KERN_INFO PFX "%s: No firmware running.\n", + tp->dev->name); + } + + return 0; +} + static void tg3_stop_fw(struct tg3 *); /* tp->lock is held. */ @@ -4669,7 +4698,7 @@ static int tg3_chip_reset(struct tg3 *tp) { u32 val; void (*write_op)(struct tg3 *, u32, u32); - int i; + int err; tg3_nvram_lock(tp); @@ -4829,26 +4858,9 @@ static int tg3_chip_reset(struct tg3 *tp) tw32_f(MAC_MODE, 0); udelay(40); - /* Wait for firmware initialization to complete. */ - for (i = 0; i < 100000; i++) { - tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val); - if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) - break; - udelay(10); - } - - /* Chip might not be fitted with firmare. Some Sun onboard - * parts are configured like that. So don't signal the timeout - * of the above loop as an error, but do report the lack of - * running firmware once. - */ - if (i >= 100000 && - !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) { - tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED; - - printk(KERN_INFO PFX "%s: No firmware running.\n", - tp->dev->name); - } + err = tg3_poll_fw(tp); + if (err) + return err; if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) { |