staging: drm/imx: use generic irq chip unused field to block out invalid irqs (37f85b26) · Commits · 戴 / test

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 <p.zabel@pengutronix.de> Signed-off-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/imx-drm/ipu-v3/ipu-common.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -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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