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Diffstat (limited to 'arch/riscv/kernel/acpi.c')
-rw-r--r--arch/riscv/kernel/acpi.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c
index e619edc8b0cc..ba957aaca5cb 100644
--- a/arch/riscv/kernel/acpi.c
+++ b/arch/riscv/kernel/acpi.c
@@ -17,7 +17,9 @@
#include <linux/efi.h>
#include <linux/io.h>
#include <linux/memblock.h>
+#include <linux/of_fdt.h>
#include <linux/pci.h>
+#include <linux/serial_core.h>
int acpi_noirq = 1; /* skip ACPI IRQ initialization */
int acpi_disabled = 1;
@@ -131,7 +133,7 @@ void __init acpi_boot_table_init(void)
if (param_acpi_off ||
(!param_acpi_on && !param_acpi_force &&
efi.acpi20 == EFI_INVALID_TABLE_ADDR))
- return;
+ goto done;
/*
* ACPI is disabled at this point. Enable it in order to parse
@@ -151,6 +153,14 @@ void __init acpi_boot_table_init(void)
if (!param_acpi_force)
disable_acpi();
}
+
+done:
+ if (acpi_disabled) {
+ if (earlycon_acpi_spcr_enable)
+ early_init_dt_scan_chosen_stdout();
+ } else {
+ acpi_parse_spcr(earlycon_acpi_spcr_enable, true);
+ }
}
static int acpi_parse_madt_rintc(union acpi_subtable_headers *header, const unsigned long end)
@@ -191,11 +201,6 @@ struct acpi_madt_rintc *acpi_cpu_get_madt_rintc(int cpu)
return &cpu_madt_rintc[cpu];
}
-u32 get_acpi_id_for_cpu(int cpu)
-{
- return acpi_cpu_get_madt_rintc(cpu)->uid;
-}
-
/*
* __acpi_map_table() will be called before paging_init(), so early_ioremap()
* or early_memremap() should be called here to for ACPI table mapping.