mirror of
https://github.com/AsahiLinux/u-boot
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0be4b0b651
In case the ops is not implemented, return 0 in the core right away. This is better than having multiple copies of functions which just return 0 in each reset driver. Drop all those empty functions. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@konsulko.com>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2016, NVIDIA CORPORATION.
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*/
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#include <common.h>
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#include <dm.h>
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#include <log.h>
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#include <malloc.h>
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#include <misc.h>
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#include <reset-uclass.h>
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#include <asm/arch-tegra/bpmp_abi.h>
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static int tegra186_reset_common(struct reset_ctl *reset_ctl,
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enum mrq_reset_commands cmd)
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{
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struct mrq_reset_request req;
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int ret;
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req.cmd = cmd;
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req.reset_id = reset_ctl->id;
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ret = misc_call(reset_ctl->dev->parent, MRQ_RESET, &req, sizeof(req),
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NULL, 0);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int tegra186_reset_assert(struct reset_ctl *reset_ctl)
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{
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debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
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reset_ctl->dev, reset_ctl->id);
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return tegra186_reset_common(reset_ctl, CMD_RESET_ASSERT);
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}
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static int tegra186_reset_deassert(struct reset_ctl *reset_ctl)
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{
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debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
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reset_ctl->dev, reset_ctl->id);
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return tegra186_reset_common(reset_ctl, CMD_RESET_DEASSERT);
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}
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struct reset_ops tegra186_reset_ops = {
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.rst_assert = tegra186_reset_assert,
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.rst_deassert = tegra186_reset_deassert,
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};
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U_BOOT_DRIVER(tegra186_reset) = {
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.name = "tegra186_reset",
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.id = UCLASS_RESET,
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.ops = &tegra186_reset_ops,
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};
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