mirror of https://github.com/hak5/openwrt.git
57 lines
1.5 KiB
Diff
57 lines
1.5 KiB
Diff
--- a/drivers/bcma/driver_mips.c
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+++ b/drivers/bcma/driver_mips.c
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@@ -75,11 +75,16 @@ static u32 bcma_core_mips_irqflag(struct
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return dev->core_index;
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flag = bcma_aread32(dev, BCMA_MIPS_OOBSELOUTA30);
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- return flag & 0x1F;
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+ if (flag)
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+ return flag & 0x1F;
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+ else
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+ return 0x3f;
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}
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/* Get the MIPS IRQ assignment for a specified device.
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* If unassigned, 0 is returned.
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+ * If disabled, 5 is returned.
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+ * If not supported, 6 is returned.
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*/
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unsigned int bcma_core_mips_irq(struct bcma_device *dev)
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{
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@@ -88,13 +93,15 @@ unsigned int bcma_core_mips_irq(struct b
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unsigned int irq;
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irqflag = bcma_core_mips_irqflag(dev);
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+ if (irqflag == 0x3f)
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+ return 6;
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- for (irq = 1; irq <= 4; irq++)
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+ for (irq = 0; irq <= 4; irq++)
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if (bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq)) &
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(1 << irqflag))
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return irq;
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- return 0;
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+ return 5;
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}
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EXPORT_SYMBOL(bcma_core_mips_irq);
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@@ -115,7 +122,7 @@ static void bcma_core_mips_set_irq(struc
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bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
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bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) &
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~(1 << irqflag));
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- else
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+ else if (oldirq != 5)
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bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(oldirq), 0);
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/* assign the new one */
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@@ -145,7 +152,7 @@ static void bcma_core_mips_set_irq(struc
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}
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bcma_debug(bus, "set_irq: core 0x%04x, irq %d => %d\n",
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- dev->id.id, oldirq + 2, irq + 2);
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+ dev->id.id, oldirq <= 4 ? oldirq + 2 : 0, irq + 2);
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}
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static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq,
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