irqchip/armada-370-xp: Use PCI_MSI_DOORBELL_START where appropriate

As suggested by Gregory Clement, this commit adjusts the
irq-armada-370-xp driver to use the PCI_MSI_DOORBELL_START define in
the armada_370_xp_handle_msi_irq() function, rather than hardcoding
its value.

Suggested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1455115621-22846-4-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Thomas Petazzoni 2016-02-10 15:46:58 +01:00 committed by Jason Cooper
parent fcc392d501
commit 0636bab67f

View file

@ -401,10 +401,10 @@ static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained)
if (is_chained) {
irq = irq_find_mapping(armada_370_xp_msi_inner_domain,
msinr - 16);
msinr - PCI_MSI_DOORBELL_START);
generic_handle_irq(irq);
} else {
irq = msinr - 16;
irq = msinr - PCI_MSI_DOORBELL_START;
handle_domain_irq(armada_370_xp_msi_inner_domain,
irq, regs);
}