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Wysocki" , Catalin Marinas , Anup Patel , Atish Kumar Patra , Robert Moore , Samuel Holland , Conor Dooley , Palmer Dabbelt , Andrei Warkentin , Paul Walmsley , Bjorn Helgaas , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Thomas Gleixner , Andrew Jones , Will Deacon , Len Brown Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add a new function for RISC-V to do any architecture specific initialization. This function will be used to create platform devices like APLIC, PLIC, RISC-V IOMMU etc. This is similar to acpi_arm_init(). Signed-off-by: Sunil V L --- drivers/acpi/bus.c | 1 + drivers/acpi/riscv/Makefile | 2 +- drivers/acpi/riscv/init.c | 12 ++++++++++++ include/linux/acpi.h | 6 ++++++ 4 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 drivers/acpi/riscv/init.c diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 844c46447914..17ee483c3bf4 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1446,6 +1446,7 @@ static int __init acpi_init(void) acpi_hest_init(); acpi_ghes_init(); acpi_arm_init(); + acpi_riscv_init(); acpi_scan_init(); acpi_ec_init(); acpi_debugfs_init(); diff --git a/drivers/acpi/riscv/Makefile b/drivers/acpi/riscv/Makefile index dceec808cfab..42d351859aeb 100644 --- a/drivers/acpi/riscv/Makefile +++ b/drivers/acpi/riscv/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-y += rhct.o irq.o +obj-y += rhct.o irq.o init.o obj-$(CONFIG_ACPI_PROCESSOR_IDLE) += cpuidle.o obj-$(CONFIG_ACPI_CPPC_LIB) += cppc.o diff --git a/drivers/acpi/riscv/init.c b/drivers/acpi/riscv/init.c new file mode 100644 index 000000000000..b5807bbdb171 --- /dev/null +++ b/drivers/acpi/riscv/init.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2023, Ventana Micro Systems Inc + * Author: Sunil V L + * + */ + +#include + +void __init acpi_riscv_init(void) +{ +} diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 914ecd22ba64..f8f92aaf97ad 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1525,6 +1525,12 @@ void acpi_arm_init(void); static inline void acpi_arm_init(void) { } #endif +#ifdef CONFIG_RISCV +void acpi_riscv_init(void); +#else +static inline void acpi_riscv_init(void) { } +#endif + #ifdef CONFIG_ACPI_PCC void acpi_init_pcc(void); #else