static void branch_clk_disable(struct clk *c) { unsigned long flags; struct branch_clk *branch = to_branch_clk(c); u32 reg_val; spin_lock_irqsave(&local_clock_reg_lock, flags); reg_val = readl_relaxed(CBCR_REG(branch)); reg_val &= ~CBCR_BRANCH_ENABLE_BIT; writel_relaxed(reg_val, CBCR_REG(branch)); spin_unlock_irqrestore(&local_clock_reg_lock, flags); /* Wait for clock to disable before continuing. */ branch_clk_halt_check(branch->halt_check, branch->c.dbg_name, CBCR_REG(branch), BRANCH_OFF); }
static int local_vote_clk_enable(struct clk *c) { unsigned long flags; u32 ena; struct local_vote_clk *vclk = to_local_vote_clk(c); spin_lock_irqsave(&local_clock_reg_lock, flags); ena = readl_relaxed(VOTE_REG(vclk)); ena |= vclk->en_mask; writel_relaxed(ena, VOTE_REG(vclk)); spin_unlock_irqrestore(&local_clock_reg_lock, flags); branch_clk_halt_check(vclk->halt_check, c->dbg_name, CBCR_REG(vclk), BRANCH_ON); return 0; }
static int branch_clk_enable(struct clk *c) { unsigned long flags; u32 cbcr_val; struct branch_clk *branch = to_branch_clk(c); spin_lock_irqsave(&local_clock_reg_lock, flags); cbcr_val = readl_relaxed(CBCR_REG(branch)); cbcr_val |= CBCR_BRANCH_ENABLE_BIT; writel_relaxed(cbcr_val, CBCR_REG(branch)); spin_unlock_irqrestore(&local_clock_reg_lock, flags); /* Wait for clock to enable before continuing. */ branch_clk_halt_check(branch->halt_check, branch->c.dbg_name, CBCR_REG(branch), BRANCH_ON); return 0; }