diff options
Diffstat (limited to 'arch/loongarch/kernel/acpi.c')
| -rw-r--r-- | arch/loongarch/kernel/acpi.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/loongarch/kernel/acpi.c b/arch/loongarch/kernel/acpi.c index 8319cc409009..98f431157e4c 100644 --- a/arch/loongarch/kernel/acpi.c +++ b/arch/loongarch/kernel/acpi.c @@ -12,6 +12,7 @@ #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/memblock.h> +#include <linux/of_fdt.h> #include <linux/serial_core.h> #include <asm/io.h> #include <asm/numa.h> @@ -139,20 +140,26 @@ static void __init acpi_process_madt(void) loongson_sysconf.nr_cpus = num_processors; } +#ifndef CONFIG_SUSPEND +int (*acpi_suspend_lowlevel)(void); +#else +int (*acpi_suspend_lowlevel)(void) = loongarch_acpi_suspend; +#endif + void __init acpi_boot_table_init(void) { /* * If acpi_disabled, bail out */ if (acpi_disabled) - return; + goto fdt_earlycon; /* * Initialize the ACPI boot-time table parser. */ if (acpi_table_init()) { disable_acpi(); - return; + goto fdt_earlycon; } loongson_sysconf.boot_cpu_id = read_csr_cpuid(); @@ -164,6 +171,12 @@ void __init acpi_boot_table_init(void) /* Do not enable ACPI SPCR console by default */ acpi_parse_spcr(earlycon_acpi_spcr_enable, false); + + return; + +fdt_earlycon: + if (earlycon_acpi_spcr_enable) + early_init_dt_scan_chosen_stdout(); } #ifdef CONFIG_ACPI_NUMA |