From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Chan" Subject: [PATCH 5/9][TG3]: Add tg3_poll_fw(). Date: Wed, 27 Sep 2006 13:34:49 -0700 Message-ID: <1159389289.3411.22.camel@rh4> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:23570 "EHLO mms2.broadcom.com") by vger.kernel.org with ESMTP id S1030791AbWI0UiO (ORCPT ); Wed, 27 Sep 2006 16:38:14 -0400 To: davem@davemloft.net, linville@tuxdriver.com Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org [TG3]: Add tg3_poll_fw(). Put the firmware polling logic into a separate function. This makes the code cleaner. Signed-off-by: Michael Chan diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index d443b73..eafca2a 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -4662,6 +4662,35 @@ static void tg3_write_sig_legacy(struct } } +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) {