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DeviceTree updates for 4.16:

Browse source 
- Convert to use memblock_virt_alloc in DT code which supports bootmem
   arches. With this we can remove the arch specific
   early_init_dt_alloc_memory_arch() functions.
 
 - Enable running the DT unittests on UML
 
 - Use SPDX license tags on DT files
 
 - Fix early FDT kconfig ifdef logic
 
 - Clean-up unittest Makefile
 
 - Fix function comment for of_irq_parse_raw
 
 - Add missing documentation for linux,initrd-{start,end} properties
 
 - Clean-up of binding examples using uppercase hex
 
 - Add trivial devices W83773G and Infineon TLV493D-A1B6
 
 - Add missing STM32 SoC bindings
 
 - Various small binding doc fixes
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Merge tag 'devicetree-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:

 - Convert to use memblock_virt_alloc in DT code which supports
   bootmem arches. With this we can remove the arch specific
   early_init_dt_alloc_memory_arch() functions.

 - Enable running the DT unittests on UML

 - Use SPDX license tags on DT files

 - Fix early FDT kconfig ifdef logic

 - Clean-up unittest Makefile

 - Fix function comment for of_irq_parse_raw

 - Add missing documentation for linux,initrd-{start,end} properties

 - Clean-up of binding examples using uppercase hex

 - Add trivial devices W83773G and Infineon TLV493D-A1B6

 - Add missing STM32 SoC bindings

 - Various small binding doc fixes

* tag 'devicetree-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (23 commits)
  xtensa: remove arch specific early DT functions
  x86: remove arch specific early_init_dt_alloc_memory_arch
  nios2: remove arch specific early_init_dt_alloc_memory_arch
  mips: remove arch specific early_init_dt_alloc_memory_arch
  metag: remove arch specific early DT functions
  cris: remove arch specific early DT functions
  libfdt: remove unnecessary include directive from <linux/libfdt.h>
  of: unittest: refactor Makefile
  of/fdt: use memblock_virt_alloc for early alloc
  of: Use SPDX license tag for DT files
  of/fdt: Fix #ifdef dependency of early flattree declarations
  dt-bindings: h8300 clocksource: correct spelling of pulse
  dt-bindings: imx6q-pcie: Add required property for i.MX6SX
  mmc: Don't reference Linux-specific OF_GPIO_ACTIVE_LOW flag in DT binding
  dt-bindings: Use lower case hex in unit-addresses
  dt-bindings: display: panel: Fix compatible string for Toshiba LT089AC29000
  dt-bindings: Add Infineon TLV493D-A1B6
  dt-bindings: mailbox: ti,message-manager: Fix interrupt name error
  dt-bindings: chosen: Document linux,initrd-{start,end}
  dt-bindings: arm: document supported STM32 SoC family
  ...
This commit is contained in:
Linus Torvalds 2018-02-01 10:57:45 -08:00
commit 2bed26606b
91 changed files with 151 additions and 285 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/of/Kconfig
View file

@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
config DTC
bool
@ -13,7 +14,8 @@ if OF
config OF_UNITTEST
bool "Device Tree runtime unit tests"
depends on OF_IRQ
depends on !SPARC
select IRQ_DOMAIN
select OF_EARLY_FLATTREE
select OF_RESOLVE
help
@ -61,7 +63,7 @@ config OF_DYNAMIC
config OF_ADDRESS
def_bool y
depends on !SPARC && HAS_IOMEM
depends on !SPARC && (HAS_IOMEM || UML)
select OF_ADDRESS_PCI if PCI
config OF_ADDRESS_PCI

2
drivers/of/address.c
View file

@ -1,4 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
#define pr_fmt(fmt) "OF: " fmt
#include <linux/device.h>

6
drivers/of/base.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Procedures for creating, accessing and interpreting the device tree.
*
@ -11,11 +12,6 @@
*
* Reconsolidated from arch/x/kernel/prom.c by Stephen Rothwell and
* Grant Likely.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) "OF: " fmt

1
drivers/of/device.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/of.h>

1
drivers/of/dynamic.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Support for dynamic device trees.
*

25
drivers/of/fdt.c
View file

@ -1,12 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Functions for working with the Flattened Device Tree data format
*
* Copyright 2009 Benjamin Herrenschmidt, IBM Corp
* benh@kernel.crashing.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#define pr_fmt(fmt) "OF: fdt: " fmt
@ -14,6 +11,7 @@
#include <linux/crc32.h>
#include <linux/kernel.h>
#include <linux/initrd.h>
#include <linux/bootmem.h>
#include <linux/memblock.h>
#include <linux/mutex.h>
#include <linux/of.h>
@ -1183,14 +1181,6 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
return memblock_reserve(base, size);
}
/*
* called from unflatten_device_tree() to bootstrap devicetree itself
* Architectures can override this definition if memblock isn't used
*/
void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
return __va(memblock_alloc(size, align));
}
#else
void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
{
@ -1209,14 +1199,13 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
&base, &size, nomap ? " (nomap)" : "");
return -ENOSYS;
}
void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
WARN_ON(1);
return NULL;
}
#endif
static void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
return memblock_virt_alloc(size, align);
}
bool __init early_init_dt_verify(void *params)
{
if (!params)

6
drivers/of/fdt_address.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* FDT Address translation based on u-boot fdt_support.c which in turn was
* based on the kernel unflattened DT address translation code.
@ -6,11 +7,6 @@
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*/
#define pr_fmt(fmt) "OF: fdt: " fmt

9
drivers/of/irq.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Derived from arch/i386/kernel/irq.c
* Copyright (C) 1992 Linus Torvalds
@ -8,11 +9,6 @@
* Adapted for Power Macintosh by Paul Mackerras
* Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* This file contains the code used to make IRQ descriptions in the
* device tree to actual irq numbers on an interrupt controller
* driver.
@ -83,9 +79,8 @@ EXPORT_SYMBOL_GPL(of_irq_find_parent);
/**
* of_irq_parse_raw - Low level interrupt tree parsing
* @parent: the device interrupt parent
* @addr: address specifier (start of "reg" property of the device) in be32 format
* @out_irq: structure of_irq updated by this function
* @out_irq: structure of_phandle_args updated by this function
*
* Returns 0 on success and a negative number on error
*

2
drivers/of/kobj.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/of.h>
#include <linux/slab.h>
@ -161,4 +162,3 @@ void __of_detach_node_sysfs(struct device_node *np)
/* finally remove the kobj_init ref */
of_node_put(np);
}

13
drivers/of/of_numa.c
View file

@ -1,19 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
/*
* OF NUMA Parsing support.
*
* Copyright (C) 2015 - 2016 Cavium Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define pr_fmt(fmt) "OF: NUMA: " fmt

6
drivers/of/of_private.h
View file

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _LINUX_OF_PRIVATE_H
#define _LINUX_OF_PRIVATE_H
/*
@ -5,11 +6,6 @@
*
* Paul Mackerras August 1996.
* Copyright (C) 1996-2005 Paul Mackerras.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
/**

6
drivers/of/of_reserved_mem.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Device tree based initialization code for reserved memory.
*
@ -6,11 +7,6 @@
* http://www.samsung.com
* Author: Marek Szyprowski <m.szyprowski@samsung.com>
* Author: Josh Cartwright <joshc@codeaurora.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License or (at your optional) any later version of the license.
*/
#define pr_fmt(fmt) "OF: reserved mem: " fmt

5
drivers/of/overlay.c
View file

@ -1,12 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Functions for working with device tree overlays
*
* Copyright (C) 2012 Pantelis Antoniou <panto@antoniou-consulting.com>
* Copyright (C) 2012 Texas Instruments Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#define pr_fmt(fmt) "OF: overlay: " fmt

6
drivers/of/pdt.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/* pdt.c: OF PROM device tree support code.
*
* Paul Mackerras August 1996.
@ -8,11 +9,6 @@
*
* Adapted for sparc by David S. Miller davem@davemloft.net
* Adapted for multiple architectures by Andres Salomon <dilinger@queued.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>

7
drivers/of/platform.c
View file

@ -1,15 +1,10 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
* and Arnd Bergmann, IBM Corp.
* Merged from powerpc/kernel/of_platform.c and
* sparc{,64}/kernel/of_device.c by Stephen Rothwell
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
#define pr_fmt(fmt) "OF: " fmt

6
drivers/of/property.c
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* drivers/of/property.c - Procedures for accessing and interpreting
* Devicetree properties and graphs.
@ -16,11 +17,6 @@
*
* Reconsolidated from arch/x/kernel/prom.c by Stephen Rothwell and
* Grant Likely.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) "OF: " fmt

5
drivers/of/resolver.c
View file

@ -1,12 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Functions for dealing with DT resolution
*
* Copyright (C) 2012 Pantelis Antoniou <panto@antoniou-consulting.com>
* Copyright (C) 2012 Texas Instruments Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#define pr_fmt(fmt) "OF: resolver: " fmt

19
drivers/of/unittest-data/Makefile
View file

@ -2,19 +2,12 @@
DTC_FLAGS_testcases := -Wno-interrupts_property
obj-y += testcases.dtb.o
targets += testcases.dtb testcases.dtb.S
obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \
overlay_bad_phandle.dtb.o \
overlay_bad_symbol.dtb.o \
overlay_base.dtb.o
ifdef CONFIG_OF_OVERLAY
obj-y += overlay.dtb.o
obj-y += overlay_bad_phandle.dtb.o
obj-y += overlay_bad_symbol.dtb.o
obj-y += overlay_base.dtb.o
targets += overlay.dtb overlay.dtb.S
targets += overlay_bad_phandle.dtb overlay_bad_phandle.dtb.S
targets += overlay_bad_symbol.dtb overlay_bad_symbol.dtb.S
targets += overlay_base.dtb overlay_base.dtb.S
targets += $(foreach suffix, dtb dtb.S, $(patsubst %.dtb.o,%.$(suffix),$(obj-y)))
# enable creation of __symbols__ node
DTC_FLAGS_overlay := -@
@ -22,8 +15,6 @@ DTC_FLAGS_overlay_bad_phandle := -@
DTC_FLAGS_overlay_bad_symbol := -@
DTC_FLAGS_overlay_base := -@
endif
.PRECIOUS: \
$(obj)/%.dtb.S \
$(obj)/%.dtb

1
drivers/of/unittest-data/overlay_bad_symbol.dts
View file

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
/plugin/;

11
drivers/of/unittest.c
View file

@ -5,6 +5,7 @@
#define pr_fmt(fmt) "### dt-test ### " fmt
#include <linux/bootmem.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/errno.h>
@ -2053,6 +2054,11 @@ static struct overlay_info overlays[] = {
static struct device_node *overlay_base_root;
static void * __init dt_alloc_memory(u64 size, u64 align)
{
return memblock_virt_alloc(size, align);
}
/*
* Create base device tree for the overlay unittest.
*
@ -2092,8 +2098,7 @@ void __init unittest_unflatten_overlay_base(void)
return;
}
info->data = early_init_dt_alloc_memory_arch(size,
roundup_pow_of_two(FDT_V17_SIZE));
info->data = dt_alloc_memory(size, roundup_pow_of_two(FDT_V17_SIZE));
if (!info->data) {
pr_err("alloc for dtb 'overlay_base' failed");
return;
@ -2102,7 +2107,7 @@ void __init unittest_unflatten_overlay_base(void)
memcpy(info->data, info->dtb_begin, size);
__unflatten_device_tree(info->data, NULL, &info->np_overlay,
early_init_dt_alloc_memory_arch, true);
dt_alloc_memory, true);
overlay_base_root = info->np_overlay;
}