From mboxrd@z Thu Jan 1 00:00:00 1970 From: Colin Cross Subject: [PATCHv2 4/4] ARM: tegra: irq: Add tegra_eoi Date: Sun, 1 May 2011 15:27:34 -0700 Message-ID: <1304288854-11011-1-git-send-email-ccross@android.com> References: <1304284213-11950-5-git-send-email-ccross@android.com> Return-path: In-Reply-To: <1304284213-11950-5-git-send-email-ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: lakml , linux-tegra , Will Deacon , Marc Zyngier Cc: Erik Gilling , Olof Johansson , Colin Cross , Russell King , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org Implement irq_eoi to allow the GIC irq chip flow controller to be changed to fasteoi. Signed-off-by: Colin Cross --- v2: Add tegra_eoi without removing tegra_ack, patch can now be merged safely before Will Deacon's gic fasteoi patch arch/arm/mach-tegra/irq.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c index da17491..4956c3c 100644 --- a/arch/arm/mach-tegra/irq.c +++ b/arch/arm/mach-tegra/irq.c @@ -95,6 +95,14 @@ static void tegra_ack(struct irq_data *d) tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_CLR); } +static void tegra_eoi(struct irq_data *d) +{ + if (d->irq < FIRST_LEGACY_IRQ) + return; + + tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_CLR); +} + static int tegra_retrigger(struct irq_data *d) { if (d->irq < FIRST_LEGACY_IRQ) @@ -116,6 +124,7 @@ void __init tegra_init_irq(void) } gic_arch_extn.irq_ack = tegra_ack; + gic_arch_extn.irq_eoi = tegra_eoi; gic_arch_extn.irq_mask = tegra_mask; gic_arch_extn.irq_unmask = tegra_unmask; gic_arch_extn.irq_retrigger = tegra_retrigger; -- 1.7.4.1