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powerpc-fsl-msi-use-irqd.patch

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-03-28 16:46:02 +02:00
parent 773e20d5b7
commit ddaedd1c4a
1 changed files with 11 additions and 10 deletions
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21
arch/powerpc/sysdev/fsl_msi.c
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@ -183,7 +183,8 @@ out_free:
static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip = get_irq_desc_chip(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
struct irq_data *idata = irq_desc_get_irq_data(desc);
unsigned int cascade_irq;
struct fsl_msi *msi_data;
int msir_index = -1;
@ -198,14 +199,14 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
raw_spin_lock(&desc->lock);
if ((msi_data->feature & FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) {
if (chip->irq_mask_ack)
chip->irq_mask_ack(&desc->irq_data);
chip->irq_mask_ack(idata);
else {
chip->irq_mask(&desc->irq_data);
chip->irq_ack(&desc->irq_data);
chip->irq_mask(idata);
chip->irq_ack(idata);
}
}
if (unlikely(desc->status & IRQ_INPROGRESS))
if (unlikely(irqd_irq_inprogress(idata)))
goto unlock;
msir_index = cascade_data->index;
@ -213,7 +214,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
if (msir_index >= NR_MSI_REG)
cascade_irq = NO_IRQ;
desc->status |= IRQ_INPROGRESS;
irqd_set_chained_irq_inprogress(idata);
switch (msi_data->feature & FSL_PIC_IP_MASK) {
case FSL_PIC_IP_MPIC:
msir_value = fsl_msi_read(msi_data->msi_regs,
@ -235,15 +236,15 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
have_shift += intr_index + 1;
msir_value = msir_value >> (intr_index + 1);
}
desc->status &= ~IRQ_INPROGRESS;
irqd_clr_chained_irq_inprogress(idata);
switch (msi_data->feature & FSL_PIC_IP_MASK) {
case FSL_PIC_IP_MPIC:
chip->irq_eoi(&desc->irq_data);
chip->irq_eoi(idata);
break;
case FSL_PIC_IP_IPIC:
if (!(desc->status & IRQ_DISABLED) && chip->irq_unmask)
chip->irq_unmask(&desc->irq_data);
if (!irqd_irq_disabled(idata) && chip->irq_unmask)
chip->irq_unmask(idata);
break;
}
unlock: