1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/irqchip/irq-moxart.c b/drivers/irqchip/irq-moxart.c
deleted file mode 100644
index a24b06a..0000000
--- a/drivers/irqchip/irq-moxart.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * MOXA ART SoCs IRQ chip driver.
- *
- * Copyright (C) 2013 Jonas Jensen
- *
- * Jonas Jensen <jonas.jensen@gmail.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/irqchip.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/irqdomain.h>
-
-#include <asm/exception.h>
-
-#define IRQ_SOURCE_REG		0
-#define IRQ_MASK_REG		0x04
-#define IRQ_CLEAR_REG		0x08
-#define IRQ_MODE_REG		0x0c
-#define IRQ_LEVEL_REG		0x10
-#define IRQ_STATUS_REG		0x14
-
-#define FIQ_SOURCE_REG		0x20
-#define FIQ_MASK_REG		0x24
-#define FIQ_CLEAR_REG		0x28
-#define FIQ_MODE_REG		0x2c
-#define FIQ_LEVEL_REG		0x30
-#define FIQ_STATUS_REG		0x34
-
-
-struct moxart_irq_data {
-	void __iomem *base;
-	struct irq_domain *domain;
-	unsigned int interrupt_mask;
-};
-
-static struct moxart_irq_data intc;
-
-static void __exception_irq_entry handle_irq(struct pt_regs *regs)
-{
-	u32 irqstat;
-	int hwirq;
-
-	irqstat = readl(intc.base + IRQ_STATUS_REG);
-
-	while (irqstat) {
-		hwirq = ffs(irqstat) - 1;
-		handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs);
-		irqstat &= ~(1 << hwirq);
-	}
-}
-
-static int __init moxart_of_intc_init(struct device_node *node,
-				      struct device_node *parent)
-{
-	unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
-	int ret;
-	struct irq_chip_generic *gc;
-
-	intc.base = of_iomap(node, 0);
-	if (!intc.base) {
-		pr_err("%s: unable to map IC registers\n",
-		       node->full_name);
-		return -EINVAL;
-	}
-
-	intc.domain = irq_domain_add_linear(node, 32, &irq_generic_chip_ops,
-					    intc.base);
-	if (!intc.domain) {
-		pr_err("%s: unable to create IRQ domain\n", node->full_name);
-		return -EINVAL;
-	}
-
-	ret = irq_alloc_domain_generic_chips(intc.domain, 32, 1,
-					     "MOXARTINTC", handle_edge_irq,
-					     clr, 0, IRQ_GC_INIT_MASK_CACHE);
-	if (ret) {
-		pr_err("%s: could not allocate generic chip\n",
-		       node->full_name);
-		irq_domain_remove(intc.domain);
-		return -EINVAL;
-	}
-
-	ret = of_property_read_u32(node, "interrupt-mask",
-				   &intc.interrupt_mask);
-	if (ret)
-		pr_err("%s: could not read interrupt-mask DT property\n",
-		       node->full_name);
-
-	gc = irq_get_domain_generic_chip(intc.domain, 0);
-
-	gc->reg_base = intc.base;
-	gc->chip_types[0].regs.mask = IRQ_MASK_REG;
-	gc->chip_types[0].regs.ack = IRQ_CLEAR_REG;
-	gc->chip_types[0].chip.irq_ack = irq_gc_ack_set_bit;
-	gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit;
-	gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit;
-
-	writel(0, intc.base + IRQ_MASK_REG);
-	writel(0xffffffff, intc.base + IRQ_CLEAR_REG);
-
-	writel(intc.interrupt_mask, intc.base + IRQ_MODE_REG);
-	writel(intc.interrupt_mask, intc.base + IRQ_LEVEL_REG);
-
-	set_handle_irq(handle_irq);
-
-	return 0;
-}
-IRQCHIP_DECLARE(moxa_moxart_ic, "moxa,moxart-ic", moxart_of_intc_init);