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lib: utils/ipi: Convert IPI drivers as early drivers

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The fdt_ipi_init() is already called from generic_early_init() so
let's convert IPI drivers as early drivers.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Nick Hu <nick.hu@sifive.com>
Link: https://lore.kernel.org/r/20250904052410.546818-4-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2025-09-04 10:54:10 +05:30
committed by Anup Patel
parent 85f22b38c8
commit cb70dffa0a
7 changed files with 4 additions and 63 deletions
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22
lib/utils/ipi/fdt_ipi.c
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@@ -1,22 +0,0 @@
/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi_utils/ipi/fdt_ipi.h>
/* List of FDT ipi drivers generated at compile time */
extern const struct fdt_driver *const fdt_ipi_drivers[];
int fdt_ipi_init(void)
{
/*
* On some single-hart system there is no need for IPIs,
* so do not return a failure if no device is found.
*/
return fdt_driver_init_all(fdt_get_address(), fdt_ipi_drivers);
}

3
lib/utils/ipi/fdt_ipi_drivers.carray
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@@ -1,3 +0,0 @@
HEADER: sbi_utils/ipi/fdt_ipi.h
TYPE: const struct fdt_driver
NAME: fdt_ipi_drivers

2
lib/utils/ipi/fdt_ipi_mswi.c
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@@ -9,8 +9,8 @@
#include <sbi/sbi_error.h>
#include <sbi/sbi_heap.h>
#include <sbi_utils/fdt/fdt_driver.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/ipi/aclint_mswi.h>
static int ipi_mswi_cold_init(const void *fdt, int nodeoff,

2
lib/utils/ipi/fdt_ipi_plicsw.c
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@@ -11,8 +11,8 @@
*/
#include <sbi/riscv_io.h>
#include <sbi_utils/fdt/fdt_driver.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/ipi/andes_plicsw.h>
extern struct plicsw_data plicsw;

7
lib/utils/ipi/objects.mk
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@@ -10,11 +10,8 @@
libsbiutils-objs-$(CONFIG_IPI_MSWI) += ipi/aclint_mswi.o
libsbiutils-objs-$(CONFIG_IPI_PLICSW) += ipi/andes_plicsw.o
libsbiutils-objs-$(CONFIG_FDT_IPI) += ipi/fdt_ipi.o
libsbiutils-objs-$(CONFIG_FDT_IPI) += ipi/fdt_ipi_drivers.carray.o
carray-fdt_ipi_drivers-$(CONFIG_FDT_IPI_MSWI) += fdt_ipi_mswi
carray-fdt_early_drivers-$(CONFIG_FDT_IPI_MSWI) += fdt_ipi_mswi
libsbiutils-objs-$(CONFIG_FDT_IPI_MSWI) += ipi/fdt_ipi_mswi.o
carray-fdt_ipi_drivers-$(CONFIG_FDT_IPI_PLICSW) += fdt_ipi_plicsw
carray-fdt_early_drivers-$(CONFIG_FDT_IPI_PLICSW) += fdt_ipi_plicsw
libsbiutils-objs-$(CONFIG_FDT_IPI_PLICSW) += ipi/fdt_ipi_plicsw.o