static int vco_prepare(struct clk *c) { int rc = 0; struct dsi_pll_vco_clk *vco = to_vco_clk(c); struct mdss_pll_resources *dsi_pll_res = vco->priv; if (!dsi_pll_res) { pr_err("Dsi pll resources are not available\n"); return -EINVAL; } if ((dsi_pll_res->vco_cached_rate != 0) && (dsi_pll_res->vco_cached_rate == c->rate)) { rc = vco_set_rate(c, dsi_pll_res->vco_cached_rate); if (rc) { pr_err("vco_set_rate failed. rc=%d\n", rc); goto error; } } rc = dsi_pll_enable(c); error: return rc; }
int msm_dsi_pll_helper_clk_prepare(struct clk_hw *hw) { struct msm_dsi_pll *pll = hw_clk_to_pll(hw); return dsi_pll_enable(pll); }