C++ (Cpp) omap2_module_wait_ready示例

示例#1

文件： clock.c 项目： Aircell/asp-kernel

int omap2_dflt_clk_enable(struct clk *clk)
{
	u32 v;

	if (unlikely(clk->enable_reg == NULL)) {
		pr_err("clock.c: Enable for %s without enable code\n",
		       clk->name);
		return 0; /* REVISIT: -EINVAL */
	}

#if 0
	if (clk->enable_reg == OMAP34XX_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN)) {
		printk("%s:%d regval %08x bit %d\n", __FUNCTION__, __LINE__, __raw_readl(clk->enable_reg), clk->enable_bit);
		if (clk->enable_bit == OMAP3430_EN_MCBSP2_SHIFT)
			dump_stack();
	}
#endif

	v = __raw_readl(clk->enable_reg);
	if (clk->flags & INVERT_ENABLE)
		v &= ~(1 << clk->enable_bit);
	else
		v |= (1 << clk->enable_bit);
	__raw_writel(v, clk->enable_reg);
	v = __raw_readl(clk->enable_reg); /* OCP barrier */

	if (clk->ops->find_idlest)
		omap2_module_wait_ready(clk);

	return 0;
}

示例#2

int omap2_dflt_clk_enable(struct clk *clk)
{
    u32 v;

    if (unlikely(clk->enable_reg == NULL)) {
        pr_err("clock.c: Enable for %s without enable code\n",
               clk->name);
        return 0;
    }

    v = __raw_readl(clk->enable_reg);
    if (clk->flags & INVERT_ENABLE)
        v &= ~(1 << clk->enable_bit);
    else
        v |= (1 << clk->enable_bit);
    __raw_writel(v, clk->enable_reg);
    v = __raw_readl(clk->enable_reg);

    if (clk->ops->find_idlest)
        omap2_module_wait_ready(clk);

    return 0;
}