From 1c44fcb9234c80bbf9e4043deab8492e1c0dcf99 Mon Sep 17 00:00:00 2001 From: Raja Mani Date: Wed, 27 Jan 2016 15:24:31 +0530 Subject: [PATCH] ath10k: include irq related functions in ahb Add irq related functions to register,handle,release,disable interrupt. qca4019 supports msi interrupt, but it has the problem. Until the issue gets sorted out, only legacy interrupt model is enabled and used. Signed-off-by: Raja Mani Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ahb.c | 44 +++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/ahb.h | 2 ++ 2 files changed, 46 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c index 230507890fbf..29d0b6c6b35c 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.c +++ b/drivers/net/wireless/ath/ath10k/ahb.c @@ -458,6 +458,50 @@ static void ath10k_ahb_halt_chip(struct ath10k *ar) ath10k_dbg(ar, ATH10K_DBG_AHB, "core %d reset done\n", core_id); } +static irqreturn_t ath10k_ahb_interrupt_handler(int irq, void *arg) +{ + struct ath10k *ar = arg; + struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); + + if (!ath10k_pci_irq_pending(ar)) + return IRQ_NONE; + + ath10k_pci_disable_and_clear_legacy_irq(ar); + tasklet_schedule(&ar_pci->intr_tq); + + return IRQ_HANDLED; +} + +static int ath10k_ahb_request_irq_legacy(struct ath10k *ar) +{ + struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar); + int ret; + + ret = request_irq(ar_ahb->irq, + ath10k_ahb_interrupt_handler, + IRQF_SHARED, "ath10k_ahb", ar); + if (ret) { + ath10k_warn(ar, "failed to request legacy irq %d: %d\n", + ar_ahb->irq, ret); + return ret; + } + + return 0; +} + +static void ath10k_ahb_release_irq_legacy(struct ath10k *ar) +{ + struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar); + + free_irq(ar_ahb->irq, ar); +} + +static void ath10k_ahb_irq_disable(struct ath10k *ar) +{ + ath10k_ce_disable_interrupts(ar); + ath10k_pci_disable_and_clear_legacy_irq(ar); +} + static int ath10k_ahb_probe(struct platform_device *pdev) { return 0; diff --git a/drivers/net/wireless/ath/ath10k/ahb.h b/drivers/net/wireless/ath/ath10k/ahb.h index 4761eeb475d6..97c40e47dc02 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.h +++ b/drivers/net/wireless/ath/ath10k/ahb.h @@ -26,6 +26,8 @@ struct ath10k_ahb { void __iomem *gcc_mem; void __iomem *tcsr_mem; + int irq; + struct clk *cmd_clk; struct clk *ref_clk; struct clk *rtc_clk; -- 2.39.5