forked from Mirrors/opensbi
57a0479302
Indicate that none of these functions modify the devicetree by constifying the parameter type. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#include <sbi/sbi_console.h>
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#include <sbi/sbi_error.h>
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#include <sbi/sbi_scratch.h>
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#include <sbi_utils/fdt/fdt_helper.h>
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#include <sbi_utils/reset/fdt_reset.h>
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/* List of FDT reset drivers generated at compile time */
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extern struct fdt_reset *fdt_reset_drivers[];
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extern unsigned long fdt_reset_drivers_size;
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int fdt_reset_driver_init(const void *fdt, struct fdt_reset *drv)
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{
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int noff, rc, cnt = 0;
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const struct fdt_match *match;
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noff = -1;
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while ((noff = fdt_find_match(fdt, noff,
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drv->match_table, &match)) >= 0) {
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if (!fdt_node_is_enabled(fdt, noff))
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continue;
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if (drv->init) {
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rc = drv->init(fdt, noff, match);
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if (!rc)
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cnt++;
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else if (rc != SBI_ENODEV) {
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sbi_printf("%s: %s init failed, %d\n",
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__func__, match->compatible, rc);
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}
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}
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}
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return cnt > 0 ? 0 : SBI_ENODEV;
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}
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void fdt_reset_init(void)
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{
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int pos;
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const void *fdt = fdt_get_address();
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for (pos = 0; pos < fdt_reset_drivers_size; pos++)
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fdt_reset_driver_init(fdt, fdt_reset_drivers[pos]);
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}
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