firmware: raspberrypi: register clk device

Since clk-raspberrypi is tied to the VC4 firmware instead of particular
hardware it's registration should be performed by the firmware driver.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index 61be15d9df7dc2737ab4d1841356de4004e75836..da26a584dca0693d26e8e13d8e994bb12465794a 100644 (file)
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -20,6 +20,7 @@
 #define MBOX_CHAN_PROPERTY             8
 
 static struct platform_device *rpi_hwmon;
+static struct platform_device *rpi_clk;
 
 struct rpi_firmware {
        struct mbox_client cl;
@@ -207,6 +208,12 @@ rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw)
                                                  -1, NULL, 0);
 }
 
+static void rpi_register_clk_driver(struct device *dev)
+{
+       rpi_clk = platform_device_register_data(dev, "raspberrypi-clk",
+                                               -1, NULL, 0);
+}
+
 static int rpi_firmware_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
@@ -234,6 +241,7 @@ static int rpi_firmware_probe(struct platform_device *pdev)
 
        rpi_firmware_print_firmware_revision(fw);
        rpi_register_hwmon_driver(dev, fw);
+       rpi_register_clk_driver(dev);
 
        return 0;
 }
@@ -254,6 +262,8 @@ static int rpi_firmware_remove(struct platform_device *pdev)
 
        platform_device_unregister(rpi_hwmon);
        rpi_hwmon = NULL;
+       platform_device_unregister(rpi_clk);
+       rpi_clk = NULL;
        mbox_free_channel(fw->chan);
 
        return 0;