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powerpc/8xx: Erroneous double irq_eoi() on CPM IRQ in MPC8xx 

irq_eoi() is already called by generic_handle_irq() so
it shall not be called a again

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
LEROY Christophe 2013-04-18 07:26:11 +02:00 committed by Scott Wood
parent 2dd1c132d5
commit 7601f59765
1 changed files with 3 additions and 10 deletions
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13
arch/powerpc/platforms/8xx/m8xx_setup.c
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@ -219,19 +219,12 @@ void mpc8xx_restart(char *cmd)
static void cpm_cascade(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip;
int cascade_irq;
if ((cascade_irq = cpm_get_irq()) >= 0) {
struct irq_desc *cdesc = irq_to_desc(cascade_irq);
struct irq_chip *chip = irq_desc_get_chip(desc);
int cascade_irq = cpm_get_irq();
if (cascade_irq >= 0)
generic_handle_irq(cascade_irq);
chip = irq_desc_get_chip(cdesc);
chip->irq_eoi(&cdesc->irq_data);
}
chip = irq_desc_get_chip(desc);
chip->irq_eoi(&desc->irq_data);
}