diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2016-06-19 09:55:53 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2016-06-21 10:57:05 +0300 |
| commit | d1e1c31ccd5a807a707c94386d5fa36d18600892 (patch) | |
| tree | a60a9b3188157d495b235df3e356b52625c9b33f /arch | |
| parent | 4dbc39e98b57a7f67c739b04f12d9829fe659bfa (diff) | |
| download | linux-d1e1c31ccd5a807a707c94386d5fa36d18600892.tar.xz | |
ARM: i.MX: Fix FIQ interrupt handling for TZIC
IRQ number should be translated from VIRQ to HWIRQ for TZIC.
As a solution for this issue, move existing translation code
from AVIC to common place.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/avic.c | 19 | ||||
| -rw-r--r-- | arch/arm/mach-imx/irq-common.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-imx/tzic.c | 6 |
3 files changed, 15 insertions, 16 deletions
diff --git a/arch/arm/mach-imx/avic.c b/arch/arm/mach-imx/avic.c index 7fa176e792bd..1afccae0420c 100644 --- a/arch/arm/mach-imx/avic.c +++ b/arch/arm/mach-imx/avic.c @@ -55,23 +55,20 @@ static void __iomem *avic_base; static struct irq_domain *domain; #ifdef CONFIG_FIQ -static int avic_set_irq_fiq(unsigned int irq, unsigned int type) +static int avic_set_irq_fiq(unsigned int hwirq, unsigned int type) { - struct irq_data *d = irq_get_irq_data(irq); unsigned int irqt; - irq = d->hwirq; - - if (irq >= AVIC_NUM_IRQS) + if (hwirq >= AVIC_NUM_IRQS) return -EINVAL; - if (irq < AVIC_NUM_IRQS / 2) { - irqt = imx_readl(avic_base + AVIC_INTTYPEL) & ~(1 << irq); - imx_writel(irqt | (!!type << irq), avic_base + AVIC_INTTYPEL); + if (hwirq < AVIC_NUM_IRQS / 2) { + irqt = imx_readl(avic_base + AVIC_INTTYPEL) & ~(1 << hwirq); + imx_writel(irqt | (!!type << hwirq), avic_base + AVIC_INTTYPEL); } else { - irq -= AVIC_NUM_IRQS / 2; - irqt = imx_readl(avic_base + AVIC_INTTYPEH) & ~(1 << irq); - imx_writel(irqt | (!!type << irq), avic_base + AVIC_INTTYPEH); + hwirq -= AVIC_NUM_IRQS / 2; + irqt = imx_readl(avic_base + AVIC_INTTYPEH) & ~(1 << hwirq); + imx_writel(irqt | (!!type << hwirq), avic_base + AVIC_INTTYPEH); } return 0; diff --git a/arch/arm/mach-imx/irq-common.c b/arch/arm/mach-imx/irq-common.c index 0a920d184867..210d36eba8f2 100644 --- a/arch/arm/mach-imx/irq-common.c +++ b/arch/arm/mach-imx/irq-common.c @@ -33,8 +33,10 @@ int mxc_set_irq_fiq(unsigned int irq, unsigned int type) gc = irq_get_chip_data(irq); if (gc && gc->private) { exirq = gc->private; - if (exirq->set_irq_fiq) - ret = exirq->set_irq_fiq(irq, type); + if (exirq->set_irq_fiq) { + struct irq_data *d = irq_get_irq_data(irq); + ret = exirq->set_irq_fiq(irqd_to_hwirq(d), type); + } } return ret; diff --git a/arch/arm/mach-imx/tzic.c b/arch/arm/mach-imx/tzic.c index ae23d50f7861..4399abd0f11f 100644 --- a/arch/arm/mach-imx/tzic.c +++ b/arch/arm/mach-imx/tzic.c @@ -56,14 +56,14 @@ static struct irq_domain *domain; #define TZIC_NUM_IRQS 128 #ifdef CONFIG_FIQ -static int tzic_set_irq_fiq(unsigned int irq, unsigned int type) +static int tzic_set_irq_fiq(unsigned int hwirq, unsigned int type) { unsigned int index, mask, value; - index = irq >> 5; + index = hwirq >> 5; if (unlikely(index >= 4)) return -EINVAL; - mask = 1U << (irq & 0x1F); + mask = 1U << (hwirq & 0x1F); value = imx_readl(tzic_base + TZIC_INTSEC0(index)) | mask; if (type) |