From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Tue, 21 May 2013 10:48:13 -0300
Subject: [U-Boot] [PATCH v3 1/6] arm: mvf600: Add Vybrid MVF600 CPU
	support
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References: <1369126981-13970-1-git-send-email-b18965@freescale.com>
	<1369126981-13970-2-git-send-email-b18965@freescale.com>
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On 05/21/2013 06:02 AM, Alison Wang wrote:

> +#ifdef CONFIG_MXC_OCOTP
> +void enable_ocotp_clk(unsigned char enable)
> +{
> +	struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
> +	u32 reg;
> +
> +	reg = readl(&ccm->ccgr6);
> +	if (enable)
> +		reg |= CCM_CCGR6_OCOTP_CTRL_MASK;
> +	else
> +		reg |= ~CCM_CCGR6_OCOTP_CTRL_MASK;

Don't you mean: reg &= ~CCM_CCGR6_OCOTP_CTRL_MASK; ?