/* Copyright 2012,2013 Jun Wako */ /* Very basic print functions, intended to be used with usb_debug_only.c * http://www.pjrc.com/teensy/ * Copyright (c) 2008 PJRC.COM, LLC * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include #include "print.h" #ifndef NO_PRINT # if defined(__AVR__) # define sendchar(c) xputc(c) void print_set_sendchar(int8_t (*sendchar_func)(uint8_t)) { xdev_out(sendchar_func); } # elif defined(PROTOCOL_CHIBIOS) /* __AVR__ */ // don't need anything extra # elif defined(__arm__) /* __AVR__ */ // TODO // void print_set_sendchar(int8_t (*sendchar_func)(uint8_t)) { } # endif /* __AVR__ */ #endif on> upstream openwrtJames
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path: root/target/linux/bcm27xx/patches-5.4/950-0782-clk-rpi-Only-register-a-few-firmware-clocks.patch
blob: 580a90c9d3a9017956692d24be1feda57f8499ba (plain) 
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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;