irqchip: sun4i: Fix a comment about mask register initialization

The comment was claiming that we were masking all irqs, while the code actually
*un*masks all of them.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@googlegroups.com
Link: http://lkml.kernel.org/r/1394733834-26839-4-git-send-email-hdegoede@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c
index 7ae85ec61e56ee022a349f56f88640b0cb2ddf8f..60a28c69c65b4d60e6708af90057845d5a2db4eb 100644 (file)
--- a/drivers/irqchip/irq-sun4i.c
+++ b/drivers/irqchip/irq-sun4i.c
@@ -109,7 +109,7 @@ static int __init sun4i_of_init(struct device_node *node,
        writel(0, sun4i_irq_base + SUN4I_IRQ_ENABLE_REG(1));
        writel(0, sun4i_irq_base + SUN4I_IRQ_ENABLE_REG(2));
 
-       /* Mask all the interrupts */
+       /* Unmask all the interrupts, ENABLE_REG(x) is used for masking */
        writel(0, sun4i_irq_base + SUN4I_IRQ_MASK_REG(0));
        writel(0, sun4i_irq_base + SUN4I_IRQ_MASK_REG(1));
        writel(0, sun4i_irq_base + SUN4I_IRQ_MASK_REG(2));