disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/include/linux/irqchip.h
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@@ -12,25 +12,49 @@
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 #define _LINUX_IRQCHIP_H
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 #include <linux/acpi.h>
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+#include <linux/module.h>
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 #include <linux/of.h>
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+#include <linux/platform_device.h>
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 /*
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  * This macro must be used by the different irqchip drivers to declare
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  * the association between their DT compatible string and their
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  * initialization function.
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  *
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- * @name: name that must be unique accross all IRQCHIP_DECLARE of the
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+ * @name: name that must be unique across all IRQCHIP_DECLARE of the
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  * same file.
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  * @compstr: compatible string of the irqchip driver
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  * @fn: initialization function
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  */
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 #define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn)
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+extern int platform_irqchip_probe(struct platform_device *pdev);
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+
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+#define IRQCHIP_PLATFORM_DRIVER_BEGIN(drv_name) \
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+static const struct of_device_id drv_name##_irqchip_match_table[] = {
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+
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+#define IRQCHIP_MATCH(compat, fn) { .compatible = compat, .data = fn },
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+
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+#define IRQCHIP_PLATFORM_DRIVER_END(drv_name)				\
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+	{},								\
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+};									\
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+MODULE_DEVICE_TABLE(of, drv_name##_irqchip_match_table);		\
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+static struct platform_driver drv_name##_driver = {		\
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+	.probe  = platform_irqchip_probe,				\
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+	.driver = {							\
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+		.name = #drv_name,					\
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+		.owner = THIS_MODULE,					\
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+		.of_match_table = drv_name##_irqchip_match_table,	\
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+		.suppress_bind_attrs = true,				\
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+	},								\
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+};									\
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+builtin_platform_driver(drv_name##_driver)
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+
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 /*
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  * This macro must be used by the different irqchip drivers to declare
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  * the association between their version and their initialization function.
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  *
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- * @name: name that must be unique accross all IRQCHIP_ACPI_DECLARE of the
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+ * @name: name that must be unique across all IRQCHIP_ACPI_DECLARE of the
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  * same file.
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  * @subtable: Subtable to be identified in MADT
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  * @validate: Function to be called on that subtable to check its validity.
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@@ -39,8 +63,9 @@
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  * @fn: initialization function
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  */
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 #define IRQCHIP_ACPI_DECLARE(name, subtable, validate, data, fn)	\
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-	ACPI_DECLARE_PROBE_ENTRY(irqchip, name, ACPI_SIG_MADT, 		\
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-				 subtable, validate, data, fn)
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+	ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(irqchip, name,		\
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+					  ACPI_SIG_MADT, subtable,	\
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+					  validate, data, fn)
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 #ifdef CONFIG_IRQCHIP
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 void irqchip_init(void);