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hc
2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/drivers/mfd/qcom-pm8xxx.c
....@@ -1,14 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
124  */
135 
146 #define pr_fmt(fmt) "%s: " fmt, __func__
....@@ -70,20 +62,21 @@
7062 #define PM8XXX_NR_IRQS		256
7163 #define PM8821_NR_IRQS		112
7264 
65
+struct pm_irq_data {
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+	int num_irqs;
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+	struct irq_chip *irq_chip;
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+	void (*irq_handler)(struct irq_desc *desc);
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+};
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+
7371 struct pm_irq_chip {
7472 	struct regmap		*regmap;
7573 	spinlock_t		pm_irq_lock;
7674 	struct irq_domain	*irqdomain;
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-	unsigned int		num_irqs;
7875 	unsigned int		num_blocks;
7976 	unsigned int		num_masters;
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-	u8			config[0];
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-};
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-
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-struct pm_irq_data {
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-	int num_irqs;
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-	const struct irq_domain_ops  *irq_domain_ops;
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-	void (*irq_handler)(struct irq_desc *desc);
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+	const struct pm_irq_data *pm_irq_data;
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+	/* MUST BE AT THE END OF THIS STRUCT */
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+	u8			config[];
8780 };
8881 
8982 static int pm8xxx_read_block_irq(struct pm_irq_chip *chip, unsigned int bp,
....@@ -375,21 +368,38 @@
375368 	.flags		= IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE,
376369 };
377370 
378
-static int pm8xxx_irq_domain_map(struct irq_domain *d, unsigned int irq,
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-				   irq_hw_number_t hwirq)
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+static void pm8xxx_irq_domain_map(struct pm_irq_chip *chip,
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+				  struct irq_domain *domain, unsigned int irq,
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+				  irq_hw_number_t hwirq, unsigned int type)
380374 {
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-	struct pm_irq_chip *chip = d->host_data;
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-
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-	irq_set_chip_and_handler(irq, &pm8xxx_irq_chip, handle_level_irq);
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-	irq_set_chip_data(irq, chip);
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+	irq_domain_set_info(domain, irq, hwirq, chip->pm_irq_data->irq_chip,
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+			    chip, handle_level_irq, NULL, NULL);
385377 	irq_set_noprobe(irq);
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+}
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+
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+static int pm8xxx_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
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+				   unsigned int nr_irqs, void *data)
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+{
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+	struct pm_irq_chip *chip = domain->host_data;
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+	struct irq_fwspec *fwspec = data;
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+	irq_hw_number_t hwirq;
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+	unsigned int type;
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+	int ret, i;
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+
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+	ret = irq_domain_translate_twocell(domain, fwspec, &hwirq, &type);
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+	if (ret)
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+		return ret;
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+
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+	for (i = 0; i < nr_irqs; i++)
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+		pm8xxx_irq_domain_map(chip, domain, virq + i, hwirq + i, type);
386395 
387396 	return 0;
388397 }
389398 
390399 static const struct irq_domain_ops pm8xxx_irq_domain_ops = {
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-	.xlate = irq_domain_xlate_twocell,
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-	.map = pm8xxx_irq_domain_map,
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+	.alloc = pm8xxx_irq_domain_alloc,
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+	.free = irq_domain_free_irqs_common,
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+	.translate = irq_domain_translate_twocell,
393403 };
394404 
395405 static void pm8821_irq_mask_ack(struct irq_data *d)
....@@ -473,23 +483,6 @@
473483 	.flags		= IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE,
474484 };
475485 
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-static int pm8821_irq_domain_map(struct irq_domain *d, unsigned int irq,
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-				   irq_hw_number_t hwirq)
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-{
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-	struct pm_irq_chip *chip = d->host_data;
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-
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-	irq_set_chip_and_handler(irq, &pm8821_irq_chip, handle_level_irq);
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-	irq_set_chip_data(irq, chip);
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-	irq_set_noprobe(irq);
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-
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-	return 0;
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-}
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-
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-static const struct irq_domain_ops pm8821_irq_domain_ops = {
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-	.xlate = irq_domain_xlate_twocell,
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-	.map = pm8821_irq_domain_map,
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-};
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-
493486 static const struct regmap_config ssbi_regmap_config = {
494487 	.reg_bits = 16,
495488 	.val_bits = 8,
....@@ -501,13 +494,13 @@
501494 
502495 static const struct pm_irq_data pm8xxx_data = {
503496 	.num_irqs = PM8XXX_NR_IRQS,
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-	.irq_domain_ops = &pm8xxx_irq_domain_ops,
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+	.irq_chip = &pm8xxx_irq_chip,
505498 	.irq_handler = pm8xxx_irq_handler,
506499 };
507500 
508501 static const struct pm_irq_data pm8821_data = {
509502 	.num_irqs = PM8821_NR_IRQS,
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-	.irq_domain_ops = &pm8821_irq_domain_ops,
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+	.irq_chip = &pm8821_irq_chip,
511504 	.irq_handler = pm8821_irq_handler,
512505 };
513506 
....@@ -571,14 +564,14 @@
571564 
572565 	platform_set_drvdata(pdev, chip);
573566 	chip->regmap = regmap;
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-	chip->num_irqs = data->num_irqs;
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-	chip->num_blocks = DIV_ROUND_UP(chip->num_irqs, 8);
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+	chip->num_blocks = DIV_ROUND_UP(data->num_irqs, 8);
576568 	chip->num_masters = DIV_ROUND_UP(chip->num_blocks, 8);
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+	chip->pm_irq_data = data;
577570 	spin_lock_init(&chip->pm_irq_lock);
578571 
579572 	chip->irqdomain = irq_domain_add_linear(pdev->dev.of_node,
580573 						data->num_irqs,
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-						data->irq_domain_ops,
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+						&pm8xxx_irq_domain_ops,
582575 						chip);
583576 	if (!chip->irqdomain)
584577 		return -ENODEV;