summaryrefslogtreecommitdiffstats
path: root/sys/mips/atheros/ar71xx_pci.c
diff options
context:
space:
mode:
authorgonzo <gonzo@FreeBSD.org>2009-06-16 00:02:02 +0000
committergonzo <gonzo@FreeBSD.org>2009-06-16 00:02:02 +0000
commit60bcaeedf6c661554ad0a1e42450059ea976785e (patch)
treeb08fb6fcf14fec255b58513743c4dbd562ea88c5 /sys/mips/atheros/ar71xx_pci.c
parentd10d41519d23971ee96fee9214e16805c4434c5e (diff)
downloadFreeBSD-src-60bcaeedf6c661554ad0a1e42450059ea976785e.zip
FreeBSD-src-60bcaeedf6c661554ad0a1e42450059ea976785e.tar.gz
- Take into account only unmasked bits in interrupt status register
Diffstat (limited to 'sys/mips/atheros/ar71xx_pci.c')
-rw-r--r--sys/mips/atheros/ar71xx_pci.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/sys/mips/atheros/ar71xx_pci.c b/sys/mips/atheros/ar71xx_pci.c
index 6d3430b..de786e4 100644
--- a/sys/mips/atheros/ar71xx_pci.c
+++ b/sys/mips/atheros/ar71xx_pci.c
@@ -87,8 +87,9 @@ ar71xx_pci_mask_irq(void *source)
unsigned int irq = (unsigned int)source;
reg = ATH_READ_REG(AR71XX_PCI_INTR_MASK);
+ /* flush */
+ reg = ATH_READ_REG(AR71XX_PCI_INTR_MASK);
ATH_WRITE_REG(AR71XX_PCI_INTR_MASK, reg & ~(1 << irq));
-
}
static void
@@ -99,6 +100,8 @@ ar71xx_pci_unmask_irq(void *source)
reg = ATH_READ_REG(AR71XX_PCI_INTR_MASK);
ATH_WRITE_REG(AR71XX_PCI_INTR_MASK, reg | (1 << irq));
+ /* flush */
+ reg = ATH_READ_REG(AR71XX_PCI_INTR_MASK);
}
/*
@@ -294,10 +297,12 @@ ar71xx_pci_attach(device_t dev)
reset |= (RST_RESET_PCI_CORE | RST_RESET_PCI_BUS);
ATH_WRITE_REG(AR71XX_RST_RESET, reset);
DELAY(1000);
+ ATH_READ_REG(AR71XX_RST_RESET);
reset &= ~(RST_RESET_PCI_CORE | RST_RESET_PCI_BUS);
ATH_WRITE_REG(AR71XX_RST_RESET, reset);
DELAY(1000);
+ ATH_READ_REG(AR71XX_RST_RESET);
/* Init PCI windows */
ATH_WRITE_REG(AR71XX_PCI_WINDOW0, PCI_WINDOW0_ADDR);
@@ -472,9 +477,14 @@ ar71xx_pci_intr(void *arg)
{
struct ar71xx_pci_softc *sc = arg;
struct intr_event *event;
- uint32_t reg, irq;
+ uint32_t reg, irq, mask;
reg = ATH_READ_REG(AR71XX_PCI_INTR_STATUS);
+ mask = ATH_READ_REG(AR71XX_PCI_INTR_MASK);
+ /*
+ * Handle only unmasked interrupts
+ */
+ reg &= mask;
for (irq = AR71XX_PCI_IRQ_START; irq <= AR71XX_PCI_IRQ_END; irq++) {
if (reg & (1 << irq)) {
event = sc->sc_eventstab[irq];
OpenPOWER on IntegriCloud