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Commit 62ac1780 authored by Jiang Liu's avatar Jiang Liu Committed by Thomas Gleixner
Browse files

x86/irq: Implement irq_chip.irq_write_msi_msg for MSI/DMAR/HPET irq_chips 



Implement irq_chip.irq_write_msi_msg for MSI/DMAR/HPET irq_chips, they
will be used to replace duplicated code.

Signed-off-by: default avatarJiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428905519-23704-27-git-send-email-jiang.liu@linux.intel.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 90d84fe9

arch/x86/kernel/apic/msi.c

+12 −0
Original line number Diff line number Diff line
@@ -192,6 +192,11 @@ dmar_msi_set_affinity(struct irq_data *data, const struct cpumask *mask, 
	return ret;

}



static void dmar_msi_write_msg(struct irq_data *data, struct msi_msg *msg)

{

	dmar_msi_write(data->irq, msg);

}



static struct irq_chip dmar_msi_controller = {

	.name			= "DMAR-MSI",

	.irq_unmask		= dmar_msi_unmask,
@@ -200,6 +205,7 @@ static struct irq_chip dmar_msi_controller = { 
	.irq_set_affinity	= dmar_msi_set_affinity,

	.irq_retrigger		= irq_chip_retrigger_hierarchy,

	.irq_compose_msi_msg	= irq_msi_compose_msg,

	.irq_write_msi_msg	= dmar_msi_write_msg,

	.flags			= IRQCHIP_SKIP_SET_WAKE,

};
@@ -322,6 +328,11 @@ static int hpet_msi_set_affinity(struct irq_data *data, 
	return ret;

}



static void hpet_msi_write_msg(struct irq_data *data, struct msi_msg *msg)

{

	hpet_msi_write(data->handler_data, msg);

}



static struct irq_chip hpet_msi_controller = {

	.name = "HPET-MSI",

	.irq_unmask = hpet_msi_unmask,
@@ -330,6 +341,7 @@ static struct irq_chip hpet_msi_controller = { 
	.irq_set_affinity = hpet_msi_set_affinity,

	.irq_retrigger = irq_chip_retrigger_hierarchy,

	.irq_compose_msi_msg = irq_msi_compose_msg,

	.irq_write_msi_msg = hpet_msi_write_msg,

	.flags = IRQCHIP_SKIP_SET_WAKE,

};