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