Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Texas Instruments Keystone IRQ controller IP driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2014 Texas Instruments, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Author: Sajesh Kumar Saran <sajesh@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *	   Grygorii Strashko <grygorii.strashko@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * modify it under the terms of the GNU General Public License as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * published by the Free Software Foundation version 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * kind, whether express or implied; without even the implied warranty
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/irqdomain.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/irqchip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <linux/mfd/syscon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) /* The source ID bits start from 4 to 31 (total 28 bits)*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define BIT_OFS			4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define KEYSTONE_N_IRQ		(32 - BIT_OFS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) struct keystone_irq_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct device		*dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	struct irq_chip		 chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	u32			 mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	int			 irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	struct irq_domain	*irqd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	struct regmap		*devctrl_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	u32			devctrl_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	raw_spinlock_t		wa_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static inline u32 keystone_irq_readl(struct keystone_irq_device *kirq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	u32 val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	ret = regmap_read(kirq->devctrl_regs, kirq->devctrl_offset, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		dev_dbg(kirq->dev, "irq read failed ret(%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) keystone_irq_writel(struct keystone_irq_device *kirq, u32 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	ret = regmap_write(kirq->devctrl_regs, kirq->devctrl_offset, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		dev_dbg(kirq->dev, "irq write failed ret(%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static void keystone_irq_setmask(struct irq_data *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	struct keystone_irq_device *kirq = irq_data_get_irq_chip_data(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	kirq->mask |= BIT(d->hwirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	dev_dbg(kirq->dev, "mask %lu [%x]\n", d->hwirq, kirq->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) static void keystone_irq_unmask(struct irq_data *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	struct keystone_irq_device *kirq = irq_data_get_irq_chip_data(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	kirq->mask &= ~BIT(d->hwirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	dev_dbg(kirq->dev, "unmask %lu [%x]\n", d->hwirq, kirq->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) static void keystone_irq_ack(struct irq_data *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	/* nothing to do here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) static irqreturn_t keystone_irq_handler(int irq, void *keystone_irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	struct keystone_irq_device *kirq = keystone_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	unsigned long wa_lock_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	unsigned long pending;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	int src, virq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	dev_dbg(kirq->dev, "start irq %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	pending = keystone_irq_readl(kirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	keystone_irq_writel(kirq, pending);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	dev_dbg(kirq->dev, "pending 0x%lx, mask 0x%x\n", pending, kirq->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	pending = (pending >> BIT_OFS) & ~kirq->mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	dev_dbg(kirq->dev, "pending after mask 0x%lx\n", pending);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	for (src = 0; src < KEYSTONE_N_IRQ; src++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		if (BIT(src) & pending) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 			virq = irq_find_mapping(kirq->irqd, src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			dev_dbg(kirq->dev, "dispatch bit %d, virq %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 				src, virq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 			if (!virq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 				dev_warn(kirq->dev, "spurious irq detected hwirq %d, virq %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 					 src, virq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 			raw_spin_lock_irqsave(&kirq->wa_lock, wa_lock_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			generic_handle_irq(virq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 			raw_spin_unlock_irqrestore(&kirq->wa_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 						   wa_lock_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	dev_dbg(kirq->dev, "end irq %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static int keystone_irq_map(struct irq_domain *h, unsigned int virq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 				irq_hw_number_t hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	struct keystone_irq_device *kirq = h->host_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	irq_set_chip_data(virq, kirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	irq_set_chip_and_handler(virq, &kirq->chip, handle_level_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	irq_set_probe(virq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static const struct irq_domain_ops keystone_irq_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	.map	= keystone_irq_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	.xlate	= irq_domain_xlate_onecell,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static int keystone_irq_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	struct device_node *np = dev->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	struct keystone_irq_device *kirq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	if (np == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	kirq = devm_kzalloc(dev, sizeof(*kirq), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	if (!kirq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	kirq->devctrl_regs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		syscon_regmap_lookup_by_phandle(np, "ti,syscon-dev");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	if (IS_ERR(kirq->devctrl_regs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		return PTR_ERR(kirq->devctrl_regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	ret = of_property_read_u32_index(np, "ti,syscon-dev", 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 					 &kirq->devctrl_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		dev_err(dev, "couldn't read the devctrl_offset offset!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	kirq->irq = platform_get_irq(pdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (kirq->irq < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		return kirq->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	kirq->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	kirq->mask = ~0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	kirq->chip.name		= "keystone-irq";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	kirq->chip.irq_ack	= keystone_irq_ack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	kirq->chip.irq_mask	= keystone_irq_setmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	kirq->chip.irq_unmask	= keystone_irq_unmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	kirq->irqd = irq_domain_add_linear(np, KEYSTONE_N_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 					   &keystone_irq_ops, kirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	if (!kirq->irqd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		dev_err(dev, "IRQ domain registration failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	raw_spin_lock_init(&kirq->wa_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	platform_set_drvdata(pdev, kirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	ret = request_irq(kirq->irq, keystone_irq_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			  0, dev_name(dev), kirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		irq_domain_remove(kirq->irqd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	/* clear all source bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	keystone_irq_writel(kirq, ~0x0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	dev_info(dev, "irqchip registered, nr_irqs %u\n", KEYSTONE_N_IRQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static int keystone_irq_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	struct keystone_irq_device *kirq = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	int hwirq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	free_irq(kirq->irq, kirq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	for (hwirq = 0; hwirq < KEYSTONE_N_IRQ; hwirq++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		irq_dispose_mapping(irq_find_mapping(kirq->irqd, hwirq));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	irq_domain_remove(kirq->irqd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static const struct of_device_id keystone_irq_dt_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	{ .compatible = "ti,keystone-irq", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) MODULE_DEVICE_TABLE(of, keystone_irq_dt_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static struct platform_driver keystone_irq_device_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	.probe		= keystone_irq_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	.remove		= keystone_irq_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	.driver		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		.name	= "keystone_irq",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		.of_match_table	= of_match_ptr(keystone_irq_dt_ids),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) module_platform_driver(keystone_irq_device_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) MODULE_AUTHOR("Texas Instruments");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) MODULE_AUTHOR("Sajesh Kumar Saran");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) MODULE_AUTHOR("Grygorii Strashko");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) MODULE_DESCRIPTION("Keystone IRQ chip");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) MODULE_LICENSE("GPL v2");