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drivers/irqchip: Use new macro ACPI_DECLARE_SUBTABLE_PROBE_ENTRY
In an effort to enable -Wcast-function-type in the top-level Makefile to support Control Flow Integrity builds, there are the need to remove all the function callback casts. To do this, modify the IRQCHIP_ACPI_DECLARE macro to use the new defined macro ACPI_DECLARE_SUBTABLE_PROBE_ENTRY instead of the macro ACPI_DECLARE_PROBE_ENTRY. This is necessary to be able to initialize the the acpi_probe_entry struct using the probe_subtbl field instead of the probe_table field and avoid function cast mismatches. Also, modify the prototype of the functions used by the invocation of the IRQCHIP_ACPI_DECLARE macro to match all the parameters. Co-developed-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Oscar Carter <oscar.carter@gmx.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/20200530143430.5203-3-oscar.carter@gmx.com
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@ -2116,7 +2116,7 @@ static void __init gic_acpi_setup_kvm_info(void)
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}
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static int __init
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gic_acpi_init(struct acpi_subtable_header *header, const unsigned long end)
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gic_acpi_init(union acpi_subtable_headers *header, const unsigned long end)
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{
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struct acpi_madt_generic_distributor *dist;
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struct fwnode_handle *domain_handle;
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@ -1592,7 +1592,7 @@ static void __init gic_acpi_setup_kvm_info(void)
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gic_set_kvm_info(&gic_v2_kvm_info);
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}
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static int __init gic_v2_acpi_init(struct acpi_subtable_header *header,
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static int __init gic_v2_acpi_init(union acpi_subtable_headers *header,
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const unsigned long end)
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{
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struct acpi_madt_generic_distributor *dist;
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@ -39,8 +39,9 @@
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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);
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