[PATCH v3 3/7] firmware: raspberrypi: register clk device

Nicolas Saenz Julienne
2019-06-11T18:02:30Z

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>
---
drivers/firmware/raspberrypi.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index 61be15d9df7d..da26a584dca0 100644
--- 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;
--
2.21.0