From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [Patch Part1 v8 26/37] x86/irq: Implement irq_chip.irq_write_msi_msg for MSI/DMAR/HPET irq_chips Date: Mon, 13 Apr 2015 14:11:48 +0800 Message-ID: <1428905519-23704-27-git-send-email-jiang.liu@linux.intel.com> References: <1428905519-23704-1-git-send-email-jiang.liu@linux.intel.com> Return-path: In-Reply-To: <1428905519-23704-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Bjorn Helgaas , Benjamin Herrenschmidt , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Randy Dunlap , Yinghai Lu , Borislav Petkov , Dimitri Sivanich , x86@kernel.org, Jiang Liu Cc: Konrad Rzeszutek Wilk , David Cohen , Sander Eikelenboom , David Vrabel , Andrew Morton , Tony Luck , Joerg Roedel , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org List-Id: linux-acpi@vger.kernel.org Implement irq_chip.irq_write_msi_msg for MSI/DMAR/HPET irq_chips, they will be used to share common code later. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Joerg Roedel Cc: Greg Kroah-Hartman Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Rafael J. Wysocki Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Link: http://lkml.kernel.org/r/1416894816-23245-27-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apic/msi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index 15429aa112fe..f5b899514634 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -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, }; -- 1.7.10.4