target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch

   1 From 73a8443ea82fef7a1f8a466fff83da7863baed49 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Wed, 10 Jun 2020 16:18:17 +0200
   4 Subject: [PATCH] clk: rpi: Only register a few firmware clocks
   5
   6 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
   7 ---
   8  drivers/clk/bcm/clk-raspberrypi.c | 25 ++++++++++++++++++-------
   9  1 file changed, 18 insertions(+), 7 deletions(-)
  10
  11 --- a/drivers/clk/bcm/clk-raspberrypi.c
  12 +++ b/drivers/clk/bcm/clk-raspberrypi.c
  13 @@ -268,13 +268,24 @@ static int raspberrypi_discover_clocks(s
  14         while (clks->id) {
  15                 struct clk_hw *hw;
  16
  17 -               hw = raspberrypi_clk_register(rpi, clks->parent, clks->id);
  18 -               if (IS_ERR(hw))
  19 -                       return PTR_ERR(hw);
  20 +               switch (clks->id) {
  21 +               case RPI_FIRMWARE_ARM_CLK_ID:
  22 +               case RPI_FIRMWARE_CORE_CLK_ID:
  23 +               case RPI_FIRMWARE_M2MC_CLK_ID:
  24 +               case RPI_FIRMWARE_V3D_CLK_ID:
  25 +                       hw = raspberrypi_clk_register(rpi, clks->parent,
  26 +                                                     clks->id);
  27 +                       if (IS_ERR(hw))
  28 +                               return PTR_ERR(hw);
  29
  30 -               data->hws[clks->id] = hw;
  31 -               data->num = clks->id + 1;
  32 -               clks++;
  33 +                       data->hws[clks->id] = hw;
  34 +                       data->num = clks->id + 1;
  35 +                       fallthrough;
  36 +
  37 +               default:
  38 +                       clks++;
  39 +                       break;
  40 +               }
  41         }
  42
  43         return 0;