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openwrt/target/linux/bcm27xx/patches-6.6/950-1286-clk-clk-rp1-Don-t-crash-on-duplicate-clocks.patch
Álvaro Fernández Rojas 538a1d740c bcm27xx: update to latest RPi patches
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.58..rpi-6.6.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-10-31 13:44:23 +01:00

31 lines
1.1 KiB
Diff

From d290bef1f99e24cd590c64db149d007c6a631b65 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Mon, 16 Sep 2024 11:48:08 +0100
Subject: [PATCH 1286/1350] clk: clk-rp1: Don't crash on duplicate clocks
When using DTBs that don't match the kernel version, it's possible for
clock registration to fail. Handle that failure, in the hope that the
system can continue to boot, with a suitable error message.
Link: https://github.com/raspberrypi/linux/issues/6321
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
drivers/clk/clk-rp1.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/clk/clk-rp1.c
+++ b/drivers/clk/clk-rp1.c
@@ -2454,6 +2454,11 @@ static int rp1_clk_probe(struct platform
desc = &clk_desc_array[i];
if (desc->clk_register && desc->data) {
hws[i] = desc->clk_register(clockman, desc->data);
+ if (IS_ERR_OR_NULL(hws[i])) {
+ pr_err("Failed to register RP1 clock '%s' (%ld) - wrong dtbs?\n", *(char **)desc->data, PTR_ERR(hws[i]));
+ hws[i] = NULL;
+ continue;
+ }
if (!strcmp(clk_hw_get_name(hws[i]), "clk_i2s")) {
clk_i2s = hws[i];
clk_xosc = clk_hw_get_parent_by_index(clk_i2s, 0);