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fix MISC IRQ handling on the AR7240 

SVN-Revision: 17098
This commit is contained in:
Gabor Juhos 2009-08-02 13:27:43 +00:00
parent cf176f82db
commit 116576b3ba
1 changed files with 13 additions and 18 deletions
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31
target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
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@ -297,22 +297,6 @@ static void ar71xx_misc_irq_unmask(unsigned int irq)
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE);
}
static void ar724x_misc_irq_unmask(unsigned int irq)
{
irq -= AR71XX_MISC_IRQ_BASE;
ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_ENABLE,
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE) | (1 << irq));
/* flush write */
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE);
ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_STATUS,
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_STATUS) & ~(1 << irq));
/* flush write */
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_STATUS);
}
static void ar71xx_misc_irq_mask(unsigned int irq)
{
irq -= AR71XX_MISC_IRQ_BASE;
@ -323,11 +307,20 @@ static void ar71xx_misc_irq_mask(unsigned int irq)
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE);
}
static void ar724x_misc_irq_ack(unsigned int irq)
{
irq -= AR71XX_MISC_IRQ_BASE;
ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_STATUS,
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_STATUS) & ~(1 << irq));
/* flush write */
ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_STATUS);
}
static struct irq_chip ar71xx_misc_irq_chip = {
.name = "AR71XX MISC",
.unmask = ar71xx_misc_irq_unmask,
.mask = ar71xx_misc_irq_mask,
.mask_ack = ar71xx_misc_irq_mask,
};
static struct irqaction ar71xx_misc_irqaction = {
@ -343,7 +336,9 @@ static void __init ar71xx_misc_irq_init(void)
ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_STATUS, 0);
if (ar71xx_soc == AR71XX_SOC_AR7240)
ar71xx_misc_irq_chip.unmask = ar724x_misc_irq_unmask;
ar71xx_misc_irq_chip.ack = ar724x_misc_irq_ack;
else
ar71xx_misc_irq_chip.mask_ack = ar71xx_misc_irq_mask;
for (i = AR71XX_MISC_IRQ_BASE;
i < AR71XX_MISC_IRQ_BASE + AR71XX_MISC_IRQ_COUNT; i++) {