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MLK-19368: Revert "MLK-17921-3 driver: irqchip: shorten wakeup wait time of IPI SW workaround" 

This reverts commit 1d965a3e12797e6561df8b5fcc16ad1d60182dab.

Shrinking the udelay from 50 to 10 causes lost IPIs and hangs on
suspend so let's revert to behavior from previous releases.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Acked-by: Jun Li <jun.li@nxp.com>
pull/10/head
Leonard Crestez 2018-09-12 16:00:50 +03:00 committed by Jason Liu
parent 0fbeb07f8e
commit 9871cee337
1 changed files with 1 additions and 1 deletions
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2
drivers/irqchip/irq-gic-v3.c
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@ -678,7 +678,7 @@ static void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
val |= (1 << 12);
writel_relaxed(val, iomuxc_gpr_base + 0x4);
/* delay for a while to make sure cores wakeup done */
udelay(10);
udelay(50);
val &= ~(1 << 12);
writel_relaxed(val, iomuxc_gpr_base + 0x4);
}