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irqchip/qeic: merge qeic init code from platforms to a common function 

The codes of qe_ic init from a variety of platforms are redundant,
merge them to a common function and put it to irqchip/irq-qeic.c

For non-p1021_mds mpc85xx_mds boards, use "qe_ic_init(np, 0,
qe_ic_cascade_low_mpic, qe_ic_cascade_high_mpic);" instead of
"qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);".

qe_ic_cascade_muxed_mpic was used for boards has the same interrupt
number for low interrupt and high interrupt, qe_ic_init has checked
if "low interrupt == high interrupt"

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Zhao Qiang 2017-04-27 09:54:22 +08:00 committed by Dong Aisheng
parent b3863641b7
commit e2a1e27384
1 changed files with 11 additions and 0 deletions
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11
drivers/irqchip/irq-qeic.c
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@ -594,4 +594,15 @@ static int __init init_qe_ic_sysfs(void)
return 0;
}
static int __init qeic_of_init(struct device_node *node,
struct device_node *parent)
{
if (!node)
return;
qe_ic_init(node, 0, qe_ic_cascade_low_mpic,
qe_ic_cascade_high_mpic);
of_node_put(node);
}
IRQCHIP_DECLARE(qeic, "fsl,qe-ic", qeic_of_init);
subsys_initcall(init_qe_ic_sysfs);