From 488c3ee77ea0e63c9ae4736b1610aaf39c6527ee Mon Sep 17 00:00:00 2001 From: Daniel Drake Date: Wed, 18 Apr 2012 20:09:44 +0100 Subject: libertas CS: convert to asynchronous firmware loading Signed-off-by: Daniel Drake Tested-by: Dan Williams Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/if_cs.c | 88 +++++++++++++++++++---------------- 1 file changed, 49 insertions(+), 39 deletions(-) (limited to 'drivers/net/wireless/libertas') diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c index cee50528522..16beaf39dc5 100644 --- a/drivers/net/wireless/libertas/if_cs.c +++ b/drivers/net/wireless/libertas/if_cs.c @@ -738,6 +738,50 @@ done: return ret; } +static void if_cs_prog_firmware(struct lbs_private *priv, int ret, + const struct firmware *helper, + const struct firmware *mainfw) +{ + struct if_cs_card *card = priv->card; + + if (ret) { + pr_err("failed to find firmware (%d)\n", ret); + return; + } + + /* Load the firmware */ + ret = if_cs_prog_helper(card, helper); + if (ret == 0 && (card->model != MODEL_8305)) + ret = if_cs_prog_real(card, mainfw); + if (ret) + goto out; + + /* Now actually get the IRQ */ + ret = request_irq(card->p_dev->irq, if_cs_interrupt, + IRQF_SHARED, DRV_NAME, card); + if (ret) { + pr_err("error in request_irq\n"); + goto out; + } + + /* + * Clear any interrupt cause that happened while sending + * firmware/initializing card + */ + if_cs_write16(card, IF_CS_CARD_INT_CAUSE, IF_CS_BIT_MASK); + if_cs_enable_ints(card); + + /* And finally bring the card up */ + priv->fw_ready = 1; + if (lbs_start_card(priv) != 0) { + pr_err("could not activate card\n"); + free_irq(card->p_dev->irq, card); + } + +out: + release_firmware(helper); + release_firmware(mainfw); +} /********************************************************************/ @@ -809,8 +853,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev) unsigned int prod_id; struct lbs_private *priv; struct if_cs_card *card; - const struct firmware *helper = NULL; - const struct firmware *mainfw = NULL; lbs_deb_enter(LBS_DEB_CS); @@ -890,20 +932,6 @@ static int if_cs_probe(struct pcmcia_device *p_dev) goto out2; } - ret = lbs_get_firmware(&p_dev->dev, card->model, &fw_table[0], - &helper, &mainfw); - if (ret) { - pr_err("failed to find firmware (%d)\n", ret); - goto out2; - } - - /* Load the firmware early, before calling into libertas.ko */ - ret = if_cs_prog_helper(card, helper); - if (ret == 0 && (card->model != MODEL_8305)) - ret = if_cs_prog_real(card, mainfw); - if (ret) - goto out2; - /* Make this card known to the libertas driver */ priv = lbs_add_card(card, &p_dev->dev); if (!priv) { @@ -911,37 +939,22 @@ static int if_cs_probe(struct pcmcia_device *p_dev) goto out2; } - /* Finish setting up fields in lbs_private */ + /* Set up fields in lbs_private */ card->priv = priv; priv->card = card; priv->hw_host_to_card = if_cs_host_to_card; priv->enter_deep_sleep = NULL; priv->exit_deep_sleep = NULL; priv->reset_deep_sleep_wakeup = NULL; - priv->fw_ready = 1; - /* Now actually get the IRQ */ - ret = request_irq(p_dev->irq, if_cs_interrupt, - IRQF_SHARED, DRV_NAME, card); + /* Get firmware */ + ret = lbs_get_firmware_async(priv, &p_dev->dev, card->model, fw_table, + if_cs_prog_firmware); if (ret) { - pr_err("error in request_irq\n"); - goto out3; - } - - /* - * Clear any interrupt cause that happened while sending - * firmware/initializing card - */ - if_cs_write16(card, IF_CS_CARD_INT_CAUSE, IF_CS_BIT_MASK); - if_cs_enable_ints(card); - - /* And finally bring the card up */ - if (lbs_start_card(priv) != 0) { - pr_err("could not activate card\n"); + pr_err("failed to find firmware (%d)\n", ret); goto out3; } - ret = 0; goto out; out3: @@ -951,9 +964,6 @@ out2: out1: pcmcia_disable_device(p_dev); out: - release_firmware(helper); - release_firmware(mainfw); - lbs_deb_leave_args(LBS_DEB_CS, "ret %d", ret); return ret; } -- cgit v1.2.3-70-g09d2