add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clk/qcom/reset.c
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@@ -1,14 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2013, The Linux Foundation. All rights reserved.
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/bitops.h>
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@@ -21,8 +13,11 @@
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 static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)
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 {
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+	struct qcom_reset_controller *rst = to_qcom_reset_controller(rcdev);
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+
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 	rcdev->ops->assert(rcdev, id);
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-	udelay(1);
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+	fsleep(rst->reset_map[id].udelay ?: 1); /* use 1 us as default */
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+
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 	rcdev->ops->deassert(rcdev, id);
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 	return 0;
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 }
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@@ -36,7 +31,7 @@
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 	rst = to_qcom_reset_controller(rcdev);
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 	map = &rst->reset_map[id];
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-	mask = BIT(map->bit);
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+	mask = map->bitmask ? map->bitmask : BIT(map->bit);
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 	return regmap_update_bits(rst->regmap, map->reg, mask, mask);
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 }
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@@ -50,7 +45,7 @@
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 	rst = to_qcom_reset_controller(rcdev);
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 	map = &rst->reset_map[id];
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-	mask = BIT(map->bit);
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+	mask = map->bitmask ? map->bitmask : BIT(map->bit);
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 	return regmap_update_bits(rst->regmap, map->reg, mask, 0);
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 }