| Message ID | 20240729142241.733357-4-sunilvl@ventanamicro.com |
|---|---|
| State | New |
| Headers | show |
| Series | RISC-V: ACPI: Add external interrupt controller support | expand |
On Mon, Jul 29, 2024 at 07:52:25PM +0530, Sunil V L wrote: > Add a new function for RISC-V to do architecture specific initialization > similar to acpi_arm_init(). Some of the ACPI tables are architecture > specific and there is no reason trying to find them on other > architectures. Maybe mention the RISC-V function name as well as acpi_arm_init()? > +++ b/drivers/acpi/riscv/init.c > @@ -0,0 +1,12 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (C) 2023-2024, Ventana Micro Systems Inc > + * Author: Sunil V L <sunilvl@ventanamicro.com> > + * Spurious blank line. > + */
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 284bc2e03580..48d277657203 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1459,6 +1459,7 @@ 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 86b0925f612d..877de00d1b50 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 +obj-y += rhct.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..5f7571143245 --- /dev/null +++ b/drivers/acpi/riscv/init.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2023-2024, Ventana Micro Systems Inc + * Author: Sunil V L <sunilvl@ventanamicro.com> + * + */ + +#include <linux/acpi.h> + +void __init acpi_riscv_init(void) +{ +} diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 3fff86f95c2f..892025d873f0 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1531,6 +1531,12 @@ 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
Add a new function for RISC-V to do architecture specific initialization similar to acpi_arm_init(). Some of the ACPI tables are architecture specific and there is no reason trying to find them on other architectures. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> --- 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