f07e572f64
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>
44 lines
1.1 KiB
Diff
44 lines
1.1 KiB
Diff
From 73a8443ea82fef7a1f8a466fff83da7863baed49 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Wed, 10 Jun 2020 16:18:17 +0200
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Subject: [PATCH] clk: rpi: Only register a few firmware clocks
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/clk/bcm/clk-raspberrypi.c | 25 ++++++++++++++++++-------
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1 file changed, 18 insertions(+), 7 deletions(-)
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--- a/drivers/clk/bcm/clk-raspberrypi.c
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+++ b/drivers/clk/bcm/clk-raspberrypi.c
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@@ -268,13 +268,24 @@ static int raspberrypi_discover_clocks(s
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while (clks->id) {
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struct clk_hw *hw;
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- hw = raspberrypi_clk_register(rpi, clks->parent, clks->id);
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- if (IS_ERR(hw))
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- return PTR_ERR(hw);
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+ switch (clks->id) {
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+ case RPI_FIRMWARE_ARM_CLK_ID:
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+ case RPI_FIRMWARE_CORE_CLK_ID:
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+ case RPI_FIRMWARE_M2MC_CLK_ID:
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+ case RPI_FIRMWARE_V3D_CLK_ID:
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+ hw = raspberrypi_clk_register(rpi, clks->parent,
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+ clks->id);
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+ if (IS_ERR(hw))
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+ return PTR_ERR(hw);
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- data->hws[clks->id] = hw;
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- data->num = clks->id + 1;
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- clks++;
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+ data->hws[clks->id] = hw;
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+ data->num = clks->id + 1;
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+ fallthrough;
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+
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+ default:
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+ clks++;
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+ break;
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+ }
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}
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return 0;
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