0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
24 lines
468 B
C
24 lines
468 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2012 Freescale Semiconductor, Inc.
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*/
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/jiffies.h>
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#include <linux/spinlock.h>
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#include "clk.h"
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DEFINE_SPINLOCK(mxs_lock);
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int mxs_clk_wait(void __iomem *reg, u8 shift)
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{
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unsigned long timeout = jiffies + msecs_to_jiffies(10);
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while (readl_relaxed(reg) & (1 << shift))
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if (time_after(jiffies, timeout))
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return -ETIMEDOUT;
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return 0;
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}
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