950-0762-firmware-raspberrypi-register-clk-device.patch

From e7f2fcf4bf0b0a227f564fcdde46f3bdd326c1b2 Mon Sep 17 00:00:00 2001
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Date: Wed, 12 Jun 2019 20:24:55 +0200
Subject: [PATCH] firmware: raspberrypi: register clk device

Commit 91f2cf4a6b2131016b1ae9c9500245f0572112c7 upstream.

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

--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -24,6 +24,7 @@
 #define MBOX_CHAN_PROPERTY		8
 
 static struct platform_device *rpi_hwmon;
+static struct platform_device *rpi_clk;
 
 struct rpi_firmware {
 	struct mbox_client cl;
@@ -297,6 +298,12 @@ rpi_register_hwmon_driver(struct device
 	}
 }
 
+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;
@@ -326,6 +333,7 @@ static int rpi_firmware_probe(struct pla
 	rpi_firmware_print_firmware_revision(fw);
 	rpi_firmware_print_firmware_hash(fw);
 	rpi_register_hwmon_driver(dev, fw);
+	rpi_register_clk_driver(dev);
 
 	return 0;
 }
@@ -336,6 +344,8 @@ static int rpi_firmware_remove(struct pl
 
 	platform_device_unregister(rpi_hwmon);
 	rpi_hwmon = NULL;
+	platform_device_unregister(rpi_clk);
+	rpi_clk = NULL;
 	mbox_free_channel(fw->chan);
 	g_pdev = NULL;