Messages in this thread Patch in this message | | | Date | Wed, 26 Nov 2014 15:12:22 -0800 | From | tip-bot for Jiang Liu <> | Subject | [tip:x86/apic] x86, irq: Implement irq_chip.irq_write_msi_msg for MSI/DMAR/HPET irq_chips |
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Commit-ID: 232d47f45baeb4a6784503b9bffd7c8e78b400b1 Gitweb: http://git.kernel.org/tip/232d47f45baeb4a6784503b9bffd7c8e78b400b1 Author: Jiang Liu <jiang.liu@linux.intel.com> AuthorDate: Tue, 25 Nov 2014 13:53:35 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 26 Nov 2014 18:59:26 +0100
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 share common code later.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.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> Link: http://lkml.kernel.org/r/1416894816-23245-27-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- 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 15429aa..f5b8995 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, };
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