target/linux/bcm27xx/patches-4.19/950-0760-firmware-raspberrypi-register-clk-device.patch

   1 From e7f2fcf4bf0b0a227f564fcdde46f3bdd326c1b2 Mon Sep 17 00:00:00 2001
   2 From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
   3 Date: Wed, 12 Jun 2019 20:24:55 +0200
   4 Subject: [PATCH] firmware: raspberrypi: register clk device
   5
   6 Commit 91f2cf4a6b2131016b1ae9c9500245f0572112c7 upstream.
   7
   8 Since clk-raspberrypi is tied to the VC4 firmware instead of particular
   9 hardware it's registration should be performed by the firmware driver.
  10
  11 Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
  12 Acked-by: Eric Anholt <eric@anholt.net>
  13 Signed-off-by: Stephen Boyd <sboyd@kernel.org>
  14 ---
  15  drivers/firmware/raspberrypi.c | 10 ++++++++++
  16  1 file changed, 10 insertions(+)
  17
  18 --- a/drivers/firmware/raspberrypi.c
  19 +++ b/drivers/firmware/raspberrypi.c
  20 @@ -24,6 +24,7 @@
  21  #define MBOX_CHAN_PROPERTY             8
  22
  23  static struct platform_device *rpi_hwmon;
  24 +static struct platform_device *rpi_clk;
  25
  26  struct rpi_firmware {
  27         struct mbox_client cl;
  28 @@ -297,6 +298,12 @@ rpi_register_hwmon_driver(struct device
  29         }
  30  }
  31
  32 +static void rpi_register_clk_driver(struct device *dev)
  33 +{
  34 +       rpi_clk = platform_device_register_data(dev, "raspberrypi-clk",
  35 +                                               -1, NULL, 0);
  36 +}
  37 +
  38  static int rpi_firmware_probe(struct platform_device *pdev)
  39  {
  40         struct device *dev = &pdev->dev;
  41 @@ -326,6 +333,7 @@ static int rpi_firmware_probe(struct pla
  42         rpi_firmware_print_firmware_revision(fw);
  43         rpi_firmware_print_firmware_hash(fw);
  44         rpi_register_hwmon_driver(dev, fw);
  45 +       rpi_register_clk_driver(dev);
  46
  47         return 0;
  48  }
  49 @@ -336,6 +344,8 @@ static int rpi_firmware_remove(struct pl
  50
  51         platform_device_unregister(rpi_hwmon);
  52         rpi_hwmon = NULL;
  53 +       platform_device_unregister(rpi_clk);
  54 +       rpi_clk = NULL;
  55         mbox_free_channel(fw->chan);
  56         g_pdev = NULL;
  57