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@@ -125,7 +125,8 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
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} else if (type & IRQT_LOW) {
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int_style = IXP4XX_GPIO_STYLE_ACTIVE_LOW;
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irq_type = IXP4XX_IRQ_LEVEL;
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- }
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+ } else
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+ return -EINVAL;
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ixp4xx_config_irq(irq, irq_type);
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@@ -142,6 +143,8 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type)
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/* Set the new style */
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*int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE));
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+
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+ return 0;
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}
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static void ixp4xx_irq_mask(unsigned int irq)
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