C++ (Cpp) __pll_config_reg 예제들

예제 #1

파일: clock-pll.c 프로젝트: StanTRC/lge-kernel-e400

static int local_pll_clk_set_rate(struct clk *c, unsigned long rate)
{
	struct pll_freq_tbl *nf;
	struct pll_clk *pll = to_pll_clk(c);
	u32 mode;

	mode = readl_relaxed(PLL_MODE_REG(pll));

	/* Don't change PLL's rate if it is enabled */
	if ((mode & PLL_MODE_MASK) == PLL_MODE_MASK)
		return -EBUSY;

	for (nf = pll->freq_tbl; nf->freq_hz != PLL_FREQ_END
			&& nf->freq_hz != rate; nf++)
		;

	if (nf->freq_hz == PLL_FREQ_END)
		return -EINVAL;

	writel_relaxed(nf->l_val, PLL_L_REG(pll));
	writel_relaxed(nf->m_val, PLL_M_REG(pll));
	writel_relaxed(nf->n_val, PLL_N_REG(pll));

	__pll_config_reg(PLL_CONFIG_REG(pll), nf, &pll->masks);

	return 0;
}

예제 #2

파일: clock-pll.c 프로젝트: ZolaIII/android_kernel_synopsis_nightly

static int local_pll_clk_set_rate(struct clk *c, unsigned long rate)
{
	struct pll_freq_tbl *nf;
	struct pll_clk *pll = to_pll_clk(c);
	unsigned long flags;

	for (nf = pll->freq_tbl; nf->freq_hz != PLL_FREQ_END
			&& nf->freq_hz != rate; nf++)
		;

	if (nf->freq_hz == PLL_FREQ_END)
		return -EINVAL;

	/*
	 * Ensure PLL is off before changing rate. For optimization reasons,
	 * assume no downstream clock is using actively using it.
	 */
	spin_lock_irqsave(&c->lock, flags);
	if (c->count)
		c->ops->disable(c);

	writel_relaxed(nf->l_val, PLL_L_REG(pll));
	writel_relaxed(nf->m_val, PLL_M_REG(pll));
	writel_relaxed(nf->n_val, PLL_N_REG(pll));

	__pll_config_reg(PLL_CONFIG_REG(pll), nf, &pll->masks);

	if (c->count)
		c->ops->enable(c);

	spin_unlock_irqrestore(&c->lock, flags);
	return 0;
}

예제 #3

파일: clock-pll.c 프로젝트: Blackburn29/PsycoKernel

static int local_pll_clk_set_rate(struct clk *c, unsigned long rate)
{
	struct pll_freq_tbl *nf;
	struct pll_clk *pll = to_pll_clk(c);
	unsigned long flags;

	for (nf = pll->freq_tbl; nf->freq_hz != PLL_FREQ_END
			&& nf->freq_hz != rate; nf++)
		;

	if (nf->freq_hz == PLL_FREQ_END)
		return -EINVAL;

	spin_lock_irqsave(&c->lock, flags);
	if (c->count)
		c->ops->disable(c);

	writel_relaxed(nf->l_val, PLL_L_REG(pll));
	writel_relaxed(nf->m_val, PLL_M_REG(pll));
	writel_relaxed(nf->n_val, PLL_N_REG(pll));

	__pll_config_reg(PLL_CONFIG_REG(pll), nf, &pll->masks);

	if (c->count)
		c->ops->enable(c);

	spin_unlock_irqrestore(&c->lock, flags);
	return 0;
}