target/linux/sunxi/patches-3.13/117-clk-sunxi-factors_clk_setup_update.patch

   1 From 8a3282a0a185108e37e7a48437b58d956ff56f4a Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Emilio=20L=C3=B3pez?= <emilio@elopez.com.ar>
   3 Date: Mon, 23 Dec 2013 00:32:36 -0300
   4 Subject: [PATCH] clk: sunxi: make factors_clk_setup return the clock it
   5  registers
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 We will be needing this to register a factor clock as parent with leaf
  11 divisors on a single call.
  12
  13 Signed-off-by: Emilio López <emilio@elopez.com.ar>
  14 Acked-by: Mike Turquette <mturquette@linaro.org>
  15 ---
  16  drivers/clk/sunxi/clk-sunxi.c | 15 ++++++++-------
  17  1 file changed, 8 insertions(+), 7 deletions(-)
  18
  19 --- a/drivers/clk/sunxi/clk-sunxi.c
  20 +++ b/drivers/clk/sunxi/clk-sunxi.c
  21 @@ -317,8 +317,8 @@ static const struct factors_data sun4i_a
  22         .getter = sun4i_get_apb1_factors,
  23  };
  24
  25 -static void __init sunxi_factors_clk_setup(struct device_node *node,
  26 -                                          struct factors_data *data)
  27 +static struct clk * __init sunxi_factors_clk_setup(struct device_node *node,
  28 +                                               const struct factors_data *data)
  29  {
  30         struct clk *clk;
  31         struct clk_factors *factors;
  32 @@ -340,14 +340,14 @@ static void __init sunxi_factors_clk_set
  33
  34         factors = kzalloc(sizeof(struct clk_factors), GFP_KERNEL);
  35         if (!factors)
  36 -               return;
  37 +               return NULL;
  38
  39         /* Add a gate if this factor clock can be gated */
  40         if (data->enable) {
  41                 gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL);
  42                 if (!gate) {
  43                         kfree(factors);
  44 -                       return;
  45 +                       return NULL;
  46                 }
  47
  48                 /* set up gate properties */
  49 @@ -363,7 +363,7 @@ static void __init sunxi_factors_clk_set
  50                 if (!mux) {
  51                         kfree(factors);
  52                         kfree(gate);
  53 -                       return;
  54 +                       return NULL;
  55                 }
  56
  57                 /* set up gate properties */
  58 @@ -384,13 +384,14 @@ static void __init sunxi_factors_clk_set
  59                         parents, i,
  60                         mux_hw, &clk_mux_ops,
  61                         &factors->hw, &clk_factors_ops,
  62 -                       gate_hw, &clk_gate_ops,
  63 -                       i ? 0 : CLK_IS_ROOT);
  64 +                       gate_hw, &clk_gate_ops, 0);
  65
  66         if (!IS_ERR(clk)) {
  67                 of_clk_add_provider(node, of_clk_src_simple_get, clk);
  68                 clk_register_clkdev(clk, clk_name, NULL);
  69         }
  70 +
  71 +       return clk;
  72  }
  73
  74