target/linux/bcm27xx/patches-5.4/950-0520-clk-bcm-rpi-Pass-the-clocks-data-to-the-firmware-fun.patch

   1 From 1231dbeb8bfeda68c53854cc68016acd74665079 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Fri, 7 Feb 2020 16:08:17 +0100
   4 Subject: [PATCH] clk: bcm: rpi: Pass the clocks data to the firmware
   5  function
   6
   7 The raspberry_clock_property only takes the clock ID as an argument, but
   8 now that we have a clock data structure it makes more sense to just pass
   9 that structure instead.
  10
  11 Cc: Michael Turquette <mturquette@baylibre.com>
  12 Cc: Stephen Boyd <sboyd@kernel.org>
  13 Cc: linux-clk@vger.kernel.org
  14 Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
  15 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  16 ---
  17  drivers/clk/bcm/clk-raspberrypi.c | 29 ++++++++++++++---------------
  18  1 file changed, 14 insertions(+), 15 deletions(-)
  19
  20 --- a/drivers/clk/bcm/clk-raspberrypi.c
  21 +++ b/drivers/clk/bcm/clk-raspberrypi.c
  22 @@ -67,11 +67,12 @@ struct raspberrypi_firmware_prop {
  23         __le32 disable_turbo;
  24  } __packed;
  25
  26 -static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag,
  27 -                                     u32 clk, u32 *val)
  28 +static int raspberrypi_clock_property(struct rpi_firmware *firmware,
  29 +                                     const struct raspberrypi_clk_data *data,
  30 +                                     u32 tag, u32 *val)
  31  {
  32         struct raspberrypi_firmware_prop msg = {
  33 -               .id = cpu_to_le32(clk),
  34 +               .id = cpu_to_le32(data->id),
  35                 .val = cpu_to_le32(*val),
  36                 .disable_turbo = cpu_to_le32(1),
  37         };
  38 @@ -94,9 +95,8 @@ static int raspberrypi_fw_pll_is_on(stru
  39         u32 val = 0;
  40         int ret;
  41
  42 -       ret = raspberrypi_clock_property(rpi->firmware,
  43 -                                        RPI_FIRMWARE_GET_CLOCK_STATE,
  44 -                                        data->id, &val);
  45 +       ret = raspberrypi_clock_property(rpi->firmware, data,
  46 +                                        RPI_FIRMWARE_GET_CLOCK_STATE, &val);
  47         if (ret)
  48                 return 0;
  49
  50 @@ -113,9 +113,8 @@ static unsigned long raspberrypi_fw_pll_
  51         u32 val = 0;
  52         int ret;
  53
  54 -       ret = raspberrypi_clock_property(rpi->firmware,
  55 -                                        RPI_FIRMWARE_GET_CLOCK_RATE,
  56 -                                        data->id, &val);
  57 +       ret = raspberrypi_clock_property(rpi->firmware, data,
  58 +                                        RPI_FIRMWARE_GET_CLOCK_RATE, &val);
  59         if (ret)
  60                 return ret;
  61
  62 @@ -131,9 +130,9 @@ static int raspberrypi_fw_pll_set_rate(s
  63         u32 new_rate = rate / RPI_FIRMWARE_PLLB_ARM_DIV_RATE;
  64         int ret;
  65
  66 -       ret = raspberrypi_clock_property(rpi->firmware,
  67 +       ret = raspberrypi_clock_property(rpi->firmware, data,
  68                                          RPI_FIRMWARE_SET_CLOCK_RATE,
  69 -                                        data->id, &new_rate);
  70 +                                        &new_rate);
  71         if (ret)
  72                 dev_err_ratelimited(rpi->dev, "Failed to change %s frequency: %d",
  73                                     clk_hw_get_name(hw), ret);
  74 @@ -198,18 +197,18 @@ static int raspberrypi_register_pllb(str
  75         init.flags = CLK_GET_RATE_NOCACHE | CLK_IGNORE_UNUSED;
  76
  77         /* Get min & max rates set by the firmware */
  78 -       ret = raspberrypi_clock_property(rpi->firmware,
  79 +       ret = raspberrypi_clock_property(rpi->firmware, data,
  80                                          RPI_FIRMWARE_GET_MIN_CLOCK_RATE,
  81 -                                        data->id, &min_rate);
  82 +                                        &min_rate);
  83         if (ret) {
  84                 dev_err(rpi->dev, "Failed to get %s min freq: %d\n",
  85                         init.name, ret);
  86                 return ret;
  87         }
  88
  89 -       ret = raspberrypi_clock_property(rpi->firmware,
  90 +       ret = raspberrypi_clock_property(rpi->firmware, data,
  91                                          RPI_FIRMWARE_GET_MAX_CLOCK_RATE,
  92 -                                        data->id, &max_rate);
  93 +                                        &max_rate);
  94         if (ret) {
  95                 dev_err(rpi->dev, "Failed to get %s max freq: %d\n",
  96                         init.name, ret);