From 37f85b266476ceac7c0d6e71c27451386a4451e7 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 21 Jun 2013 14:52:18 +0200
Subject: staging: drm/imx: use generic irq chip unused field to block out
invalid irqs
This depends on the patch "genirq: irqchip: Add mask to block out invalid irqs"
and masks out reserved bits using the unused interrupt bitfield.
Signed-off-by: Philipp Zabel
Signed-off-by: Greg Kroah-Hartman
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 7135b2d..e35d0bf 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -941,6 +941,16 @@ static int ipu_irq_init(struct ipu_soc *ipu)
{
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
+ unsigned long unused[IPU_NUM_IRQS / 32] = {
+ 0x400100d0, 0xffe000fd,
+ 0x400100d0, 0xffe000fd,
+ 0x400100d0, 0xffe000fd,
+ 0x4077ffff, 0xffe7e1fd,
+ 0x23fffffe, 0x8880fff0,
+ 0xf98fe7d0, 0xfff81fff,
+ 0x400100d0, 0xffe000fd,
+ 0x00000000,
+ };
int ret, i;
ipu->domain = irq_domain_add_linear(ipu->dev->of_node, IPU_NUM_IRQS,
@@ -961,6 +971,7 @@ static int ipu_irq_init(struct ipu_soc *ipu)
for (i = 0; i < IPU_NUM_IRQS; i += 32) {
gc = irq_get_domain_generic_chip(ipu->domain, i);
gc->reg_base = ipu->cm_reg;
+ gc->unused = unused[i / 32];
ct = gc->chip_types;
ct->chip.irq_ack = irq_gc_ack_set_bit;
ct->chip.irq_mask = irq_gc_mask_clr_bit;
--
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