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Date: Fri, 25 Sep 2015 18:09:34 +0200 From: Gregory CLEMENT <gregory.clement@...e-electrons.com> To: Thomas Gleixner <tglx@...utronix.de>, Jason Cooper <jason@...edaemon.net>, linux-kernel@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org, Thomas Petazzoni <thomas.petazzoni@...e-electrons.com> Cc: Andrew Lunn <andrew@...n.ch>, Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, Gregory CLEMENT <gregory.clement@...e-electrons.com>, Lior Amsalem <alior@...vell.com>, Tawfik Bayouk <tawfik@...vell.com>, Nadav Haklai <nadavh@...vell.com>, Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>, Maxime Ripard <maxime.ripard@...e-electrons.com>, Boris BREZILLON <boris.brezillon@...e-electrons.com>, Willy Tarreau <w@....eu>, linux-arm-kernel@...ts.infradead.org Subject: [PATCH v2 3/7] irqchip: armada-370-xp: Rework per-cpu interrupts handling From: Maxime Ripard <maxime.ripard@...e-electrons.com> The MPIC driver currently has a list of interrupts to handle as per-cpu. Since the timer, fabric and neta interrupts were the only per-cpu interrupts in the system, we can now remove the switch and just check for the hardware irq number to determine whether a given interrupt is per-cpu or not. Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com> Acked-by: Gregory CLEMENT <gregory.clement@...e-electrons.com> Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com> --- drivers/irqchip/irq-armada-370-xp.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 39b72da0c143..117848b46eaa 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -56,9 +56,6 @@ #define ARMADA_370_XP_MAX_PER_CPU_IRQS (28) -#define ARMADA_370_XP_TIMER0_PER_CPU_IRQ (5) -#define ARMADA_370_XP_FABRIC_IRQ (3) - #define IPI_DOORBELL_START (0) #define IPI_DOORBELL_END (8) #define IPI_DOORBELL_MASK 0xFF @@ -81,13 +78,10 @@ static phys_addr_t msi_doorbell_addr; static inline bool is_percpu_irq(irq_hw_number_t irq) { - switch (irq) { - case ARMADA_370_XP_TIMER0_PER_CPU_IRQ: - case ARMADA_370_XP_FABRIC_IRQ: + if (irq <= ARMADA_370_XP_MAX_PER_CPU_IRQS) return true; - default: - return false; - } + + return false; } /* @@ -551,7 +545,7 @@ static void armada_370_xp_mpic_resume(void) if (virq == 0) continue; - if (irq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ) + if (!is_percpu_irq(irq)) writel(irq, per_cpu_int_base + ARMADA_370_XP_INT_CLEAR_MASK_OFFS); else -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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