diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/hw.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/pci.c | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 8aeb46d9b53..9535eaa09f0 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -269,6 +269,7 @@ enum ath10k_mcast2ucast_mode { #define CORE_CTRL_CPU_INTR_MASK 0x00002000 #define CORE_CTRL_ADDRESS 0x0000 #define PCIE_INTR_ENABLE_ADDRESS 0x0008 +#define PCIE_INTR_CAUSE_ADDRESS 0x000c #define PCIE_INTR_CLR_ADDRESS 0x0014 #define SCRATCH_3_ADDRESS 0x0030 diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 2457c8ba901..12fb12ea218 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -201,6 +201,19 @@ static const struct ce_pipe_config target_ce_config_wlan[] = { /* CE7 used only by Host */ }; +static bool ath10k_pci_irq_pending(struct ath10k *ar) +{ + u32 cause; + + /* Check if the shared legacy irq is for us */ + cause = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + + PCIE_INTR_CAUSE_ADDRESS); + if (cause & (PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL)) + return true; + + return false; +} + /* * Diagnostic read/write access is provided for startup/config/debug usage. * Caller must guarantee proper alignment, when applicable, and single user @@ -2086,6 +2099,9 @@ static irqreturn_t ath10k_pci_interrupt_handler(int irq, void *arg) struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); if (ar_pci->num_msi_intrs == 0) { + if (!ath10k_pci_irq_pending(ar)) + return IRQ_NONE; + /* * IMPORTANT: INTR_CLR regiser has to be set after * INTR_ENABLE is set to 0, otherwise interrupt can not be |