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gpu/drm: Kill off set_irq_flags usage

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set_irq_flags is ARM specific with custom flags which have genirq
equivalents. Convert drivers to use the genirq interfaces directly, so we
can kill off set_irq_flags. The translation of flags is as follows:

IRQF_VALID -> !IRQ_NOREQUEST
IRQF_PROBE -> !IRQ_NOPROBE
IRQF_NOAUTOEN -> IRQ_NOAUTOEN

For IRQs managed by an irqdomain, the irqdomain core code handles clearing
and setting IRQ_NOREQUEST already, so there is no need to do this in
.map() functions and we can simply remove the set_irq_flags calls. Some
users also modify IRQ_NOPROBE and this has been maintained although it
is not clear that is really needed. There appears to be a great deal of
blind copy and paste of this code.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Rob Herring 2015-08-29 18:01:21 -05:00 committed by Thomas Gleixner
parent bd0b9ac405
commit ca0141de74
2 changed files with 1 additions and 3 deletions
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1
drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
View File

@ -178,7 +178,6 @@ static int mdp5_hw_irqdomain_map(struct irq_domain *d,
irq_set_chip_and_handler(irq, &mdp5_hw_irq_chip, handle_level_irq);
irq_set_chip_data(irq, mdp5_kms);
set_irq_flags(irq, IRQF_VALID);
return 0;
}

3
drivers/gpu/ipu-v3/ipu-common.c
View File

@ -1099,8 +1099,7 @@ static int ipu_irq_init(struct ipu_soc *ipu)
}
ret = irq_alloc_domain_generic_chips(ipu->domain, 32, 1, "IPU",
handle_level_irq, 0,
IRQF_VALID, 0);
handle_level_irq, 0, 0, 0);
if (ret < 0) {
dev_err(ipu->dev, "failed to alloc generic irq chips\n");
irq_domain_remove(ipu->domain);