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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch b/target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch
new file mode 100644
index 0000000000..580a90c9d3
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch
@@ -0,0 +1,43 @@
+From 73a8443ea82fef7a1f8a466fff83da7863baed49 Mon Sep 17 00:00:00 2001
+From: Maxime Ripard <maxime@cerno.tech>
+Date: Wed, 10 Jun 2020 16:18:17 +0200
+Subject: [PATCH] clk: rpi: Only register a few firmware clocks
+
+Signed-off-by: Maxime Ripard <maxime@cerno.tech>
+---
+ drivers/clk/bcm/clk-raspberrypi.c | 25 ++++++++++++++++++-------
+ 1 file changed, 18 insertions(+), 7 deletions(-)
+
+--- a/drivers/clk/bcm/clk-raspberrypi.c
++++ b/drivers/clk/bcm/clk-raspberrypi.c
+@@ -268,13 +268,24 @@ static int raspberrypi_discover_clocks(s
+ while (clks->id) {
+ struct clk_hw *hw;
+
+- hw = raspberrypi_clk_register(rpi, clks->parent, clks->id);
+- if (IS_ERR(hw))
+- return PTR_ERR(hw);
++ switch (clks->id) {
++ case RPI_FIRMWARE_ARM_CLK_ID:
++ case RPI_FIRMWARE_CORE_CLK_ID:
++ case RPI_FIRMWARE_M2MC_CLK_ID:
++ case RPI_FIRMWARE_V3D_CLK_ID:
++ hw = raspberrypi_clk_register(rpi, clks->parent,
++ clks->id);
++ if (IS_ERR(hw))
++ return PTR_ERR(hw);
+
+- data->hws[clks->id] = hw;
+- data->num = clks->id + 1;
+- clks++;
++ data->hws[clks->id] = hw;
++ data->num = clks->id + 1;
++ fallthrough;
++
++ default:
++ clks++;
++ break;
++ }
+ }
+
+ return 0;