1 files changed, 0 insertions, 203 deletions
diff --git a/arch/arm/mach-pxa/pxa_cplds_irqs.c b/arch/arm/mach-pxa/pxa_cplds_irqs.c
deleted file mode 100644
index 941508585e34..000000000000
--- a/arch/arm/mach-pxa/pxa_cplds_irqs.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Intel Reference Systems cplds
- *
- * Copyright (C) 2014 Robert Jarzmik
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * Cplds motherboard driver, supporting lubbock and mainstone SoC board.
- */
-
-#include <linux/bitops.h>
-#include <linux/gpio.h>
-#include <linux/gpio/consumer.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/irqdomain.h>
-#include <linux/mfd/core.h>
-#include <linux/module.h>
-#include <linux/of_platform.h>
-
-#define FPGA_IRQ_MASK_EN 0x0
-#define FPGA_IRQ_SET_CLR 0x10
-
-#define CPLDS_NB_IRQ	32
-
-struct cplds {
-	void __iomem *base;
-	int irq;
-	unsigned int irq_mask;
-	struct gpio_desc *gpio0;
-	struct irq_domain *irqdomain;
-};
-
-static irqreturn_t cplds_irq_handler(int in_irq, void *d)
-{
-	struct cplds *fpga = d;
-	unsigned long pending;
-	unsigned int bit;
-
-	do {
-		pending = readl(fpga->base + FPGA_IRQ_SET_CLR) & fpga->irq_mask;
-		for_each_set_bit(bit, &pending, CPLDS_NB_IRQ) {
-			generic_handle_irq(irq_find_mapping(fpga->irqdomain,
-							    bit));
-		}
-	} while (pending);
-
-	return IRQ_HANDLED;
-}
-
-static void cplds_irq_mask(struct irq_data *d)
-{
-	struct cplds *fpga = irq_data_get_irq_chip_data(d);
-	unsigned int cplds_irq = irqd_to_hwirq(d);
-	unsigned int bit = BIT(cplds_irq);
-
-	fpga->irq_mask &= ~bit;
-	writel(fpga->irq_mask, fpga->base + FPGA_IRQ_MASK_EN);
-}
-
-static void cplds_irq_unmask(struct irq_data *d)
-{
-	struct cplds *fpga = irq_data_get_irq_chip_data(d);
-	unsigned int cplds_irq = irqd_to_hwirq(d);
-	unsigned int set, bit = BIT(cplds_irq);
-
-	set = readl(fpga->base + FPGA_IRQ_SET_CLR);
-	writel(set & ~bit, fpga->base + FPGA_IRQ_SET_CLR);
-
-	fpga->irq_mask |= bit;
-	writel(fpga->irq_mask, fpga->base + FPGA_IRQ_MASK_EN);
-}
-
-static struct irq_chip cplds_irq_chip = {
-	.name		= "pxa_cplds",
-	.irq_ack	= cplds_irq_mask,
-	.irq_mask	= cplds_irq_mask,
-	.irq_unmask	= cplds_irq_unmask,
-	.flags		= IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE,
-};
-
-static int cplds_irq_domain_map(struct irq_domain *d, unsigned int irq,
-				   irq_hw_number_t hwirq)
-{
-	struct cplds *fpga = d->host_data;
-
-	irq_set_chip_and_handler(irq, &cplds_irq_chip, handle_level_irq);
-	irq_set_chip_data(irq, fpga);
-
-	return 0;
-}
-
-static const struct irq_domain_ops cplds_irq_domain_ops = {
-	.xlate = irq_domain_xlate_twocell,
-	.map = cplds_irq_domain_map,
-};
-
-static int cplds_resume(struct platform_device *pdev)
-{
-	struct cplds *fpga = platform_get_drvdata(pdev);
-
-	writel(fpga->irq_mask, fpga->base + FPGA_IRQ_MASK_EN);
-
-	return 0;
-}
-
-static int cplds_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct cplds *fpga;
-	int ret;
-	int base_irq;
-	unsigned long irqflags = 0;
-
-	fpga = devm_kzalloc(&pdev->dev, sizeof(*fpga), GFP_KERNEL);
-	if (!fpga)
-		return -ENOMEM;
-
-	fpga->irq = platform_get_irq(pdev, 0);
-	if (fpga->irq <= 0)
-		return fpga->irq;
-
-	base_irq = platform_get_irq(pdev, 1);
-	if (base_irq < 0)
-		base_irq = 0;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	fpga->base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(fpga->base))
-		return PTR_ERR(fpga->base);
-
-	platform_set_drvdata(pdev, fpga);
-
-	writel(fpga->irq_mask, fpga->base + FPGA_IRQ_MASK_EN);
-	writel(0, fpga->base + FPGA_IRQ_SET_CLR);
-
-	irqflags = irq_get_trigger_type(fpga->irq);
-	ret = devm_request_irq(&pdev->dev, fpga->irq, cplds_irq_handler,
-			       irqflags, dev_name(&pdev->dev), fpga);
-	if (ret == -ENOSYS)
-		return -EPROBE_DEFER;
-
-	if (ret) {
-		dev_err(&pdev->dev, "couldn't request main irq%d: %d\n",
-			fpga->irq, ret);
-		return ret;
-	}
-
-	irq_set_irq_wake(fpga->irq, 1);
-	fpga->irqdomain = irq_domain_add_linear(pdev->dev.of_node,
-					       CPLDS_NB_IRQ,
-					       &cplds_irq_domain_ops, fpga);
-	if (!fpga->irqdomain)
-		return -ENODEV;
-
-	if (base_irq) {
-		ret = irq_create_strict_mappings(fpga->irqdomain, base_irq, 0,
-						 CPLDS_NB_IRQ);
-		if (ret) {
-			dev_err(&pdev->dev, "couldn't create the irq mapping %d..%d\n",
-				base_irq, base_irq + CPLDS_NB_IRQ);
-			return ret;
-		}
-	}
-
-	return 0;
-}
-
-static int cplds_remove(struct platform_device *pdev)
-{
-	struct cplds *fpga = platform_get_drvdata(pdev);
-
-	irq_set_chip_and_handler(fpga->irq, NULL, NULL);
-
-	return 0;
-}
-
-static const struct of_device_id cplds_id_table[] = {
-	{ .compatible = "intel,lubbock-cplds-irqs", },
-	{ .compatible = "intel,mainstone-cplds-irqs", },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, cplds_id_table);
-
-static struct platform_driver cplds_driver = {
-	.driver		= {
-		.name	= "pxa_cplds_irqs",
-		.of_match_table = of_match_ptr(cplds_id_table),
-	},
-	.probe		= cplds_probe,
-	.remove		= cplds_remove,
-	.resume		= cplds_resume,
-};
-
-module_platform_driver(cplds_driver);
-
-MODULE_DESCRIPTION("PXA Cplds interrupts driver");
-MODULE_AUTHOR("Robert Jarzmik <robert.jarzmik@free.fr>");
-MODULE_LICENSE("GPL");