brcm2708: update to latest patches from RPi Foundation

[openwrt/staging/wigyori.git] / target / linux / brcm2708 / patches-4.19 / 950-0762-firmware-raspberrypi-register-clk-device.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0762-firmware-raspberrypi-register-clk-device.patch b/target/linux/brcm2708/patches-4.19/950-0762-firmware-raspberrypi-register-clk-device.patch
new file mode 100644 (file)
index 0000000..2886ab1
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0762-firmware-raspberrypi-register-clk-device.patch
@@ -0,0 +1,57 @@
+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;
+