From 77b7f864b03d6b49c143a9c8c19432feef3032b5 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Fri, 16 May 2014 16:07:14 -0700 Subject: [PATCH 108/182] clk: qcom: Return error pointers for unimplemented clocks Not all clocks are implemented but client drivers can still request them. Currently we will return a NULL pointer to them if the clock isn't implemented in software but NULL pointers are valid clock pointers. Return an error pointer so that driver's don't proceed without a clock they may actually need. Signed-off-by: Stephen Boyd Signed-off-by: Mike Turquette --- drivers/clk/qcom/common.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/clk/qcom/common.c +++ b/drivers/clk/qcom/common.c @@ -62,8 +62,10 @@ int qcom_cc_probe(struct platform_device data->clk_num = num_clks; for (i = 0; i < num_clks; i++) { - if (!rclks[i]) + if (!rclks[i]) { + clks[i] = ERR_PTR(-ENOENT); continue; + } clk = devm_clk_register_regmap(dev, rclks[i]); if (IS_ERR(clk)) return PTR_ERR(clk);