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ARM updates for v6.7-rc1

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Development updates for v6.7-rc1
 - fix some kernel-doc warnings
 - fix stack depot IRQ stack filter
 - cast memset() byte to unsigned char
 - explicitly include correct DI includes
 - fix ARCH_LOW_ADDRESS_LIMIT with CONFIG_ZONE_DMA
 - fix get_user() problems when linker uses a veneer
 - make including linux/uaccess.h self-contained on ARM
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - fix some kernel-doc warnings

 - fix stack depot IRQ stack filter

 - cast memset() byte to unsigned char

 - explicitly include correct DI includes

 - fix ARCH_LOW_ADDRESS_LIMIT with CONFIG_ZONE_DMA

 - fix get_user() problems when linker uses a veneer

 - make including linux/uaccess.h self-contained on ARM

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9326/1: make <linux/uaccess.h> self-contained for ARM
  ARM: 9324/1: fix get_user() broken with veneer
  ARM: 9323/1: mm: Fix ARCH_LOW_ADDRESS_LIMIT when CONFIG_ZONE_DMA
  ARM: 9322/1: Explicitly include correct DT includes
  ARM: 9321/1: memset: cast the constant byte to unsigned char
  ARM: 9320/1: fix stack depot IRQ stack filter
  ARM: 9319/1: sa1111: fix sa1111_probe kernel-doc warnings
This commit is contained in:
Linus Torvalds 2023-11-02 15:32:53 -10:00
commit c9cacf7db3
9 changed files with 25 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
arch/arm/common/sa1111.c
View File

@ -785,19 +785,6 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent,
return ret;
}
/**
* sa1111_probe - probe for a single SA1111 chip.
* @phys_addr: physical address of device.
*
* Probe for a SA1111 chip. This must be called
* before any other SA1111-specific code.
*
* Returns:
* %-ENODEV device not found.
* %-EBUSY physical address already marked in-use.
* %-EINVAL no platform data passed
* %0 successful.
*/
static int __sa1111_probe(struct device *me, struct resource *mem, int irq)
{
struct sa1111_platform_data *pd = me->platform_data;
@ -1108,6 +1095,20 @@ static int sa1111_resume_noirq(struct device *dev)
#define sa1111_resume_noirq NULL
#endif
/**
* sa1111_probe - probe for a single SA1111 chip.
* @pdev: platform device.
*
* Probe for a SA1111 chip. This must be called
* before any other SA1111-specific code.
*
* Returns:
* * %-ENODEV - device not found.
* * %-ENOMEM - memory allocation failure.
* * %-EBUSY - physical address already marked in-use.
* * %-EINVAL - no platform data passed
* * %0 - successful.
*/
static int sa1111_probe(struct platform_device *pdev)
{
struct resource *mem;

3
arch/arm/include/asm/dma.h
View File

@ -12,6 +12,9 @@
extern phys_addr_t arm_dma_zone_size; \
arm_dma_zone_size && arm_dma_zone_size < (0x100000000ULL - PAGE_OFFSET) ? \
(PAGE_OFFSET + arm_dma_zone_size) : 0xffffffffUL; })
extern phys_addr_t arm_dma_limit;
#define ARCH_LOW_ADDRESS_LIMIT arm_dma_limit
#endif
#ifdef CONFIG_ISA_DMA_API

2
arch/arm/include/asm/domain.h
View File

@ -8,8 +8,8 @@
#define __ASM_PROC_DOMAIN_H
#ifndef __ASSEMBLY__
#include <linux/thread_info.h>
#include <asm/barrier.h>
#include <asm/thread_info.h>
#endif
/*

4
arch/arm/include/asm/exception.h
View File

@ -10,10 +10,6 @@
#include <linux/interrupt.h>
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
#define __exception_irq_entry __irq_entry
#else
#define __exception_irq_entry
#endif
#endif /* __ASM_ARM_EXCEPTION_H */

3
arch/arm/include/asm/traps.h
View File

@ -2,6 +2,7 @@
#ifndef _ASMARM_TRAP_H
#define _ASMARM_TRAP_H
#include <linux/linkage.h>
#include <linux/list.h>
struct pt_regs;
@ -28,7 +29,7 @@ static inline int __in_irqentry_text(unsigned long ptr)
ptr < (unsigned long)&__irqentry_text_end;
}
extern void __init early_trap_init(void *);
extern void early_trap_init(void *);
extern void dump_backtrace_entry(unsigned long where, unsigned long from,
unsigned long frame, const char *loglvl);
extern void ptrace_break(struct pt_regs *regs);

15
arch/arm/include/asm/uaccess.h
View File

@ -8,6 +8,7 @@
/*
* User space memory access functions
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <asm/page.h>
#include <asm/domain.h>
@ -109,16 +110,6 @@ extern int __get_user_64t_1(void *);
extern int __get_user_64t_2(void *);
extern int __get_user_64t_4(void *);
#define __GUP_CLOBBER_1 "lr", "cc"
#ifdef CONFIG_CPU_USE_DOMAINS
#define __GUP_CLOBBER_2 "ip", "lr", "cc"
#else
#define __GUP_CLOBBER_2 "lr", "cc"
#endif
#define __GUP_CLOBBER_4 "lr", "cc"
#define __GUP_CLOBBER_32t_8 "lr", "cc"
#define __GUP_CLOBBER_8 "lr", "cc"
#define __get_user_x(__r2, __p, __e, __l, __s) \
__asm__ __volatile__ ( \
__asmeq("%0", "r0") __asmeq("%1", "r2") \
@ -126,7 +117,7 @@ extern int __get_user_64t_4(void *);
"bl __get_user_" #__s \
: "=&r" (__e), "=r" (__r2) \
: "0" (__p), "r" (__l) \
: __GUP_CLOBBER_##__s)
: "ip", "lr", "cc")
/* narrowing a double-word get into a single 32bit word register: */
#ifdef __ARMEB__
@ -148,7 +139,7 @@ extern int __get_user_64t_4(void *);
"bl __get_user_64t_" #__s \
: "=&r" (__e), "=r" (__r2) \
: "0" (__p), "r" (__l) \
: __GUP_CLOBBER_##__s)
: "ip", "lr", "cc")
#else
#define __get_user_x_64t __get_user_x
#endif

1
arch/arm/kernel/devtree.c
View File

@ -13,7 +13,6 @@
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/smp.h>
#include <asm/cputype.h>

2
arch/arm/kernel/setup.c
View File

@ -15,10 +15,10 @@
#include <linux/console.h>
#include <linux/seq_file.h>
#include <linux/screen_info.h>
#include <linux/of_platform.h>
#include <linux/init.h>
#include <linux/kexec.h>
#include <linux/libfdt.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/cpu.h>
#include <linux/interrupt.h>

1
arch/arm/lib/memset.S
View File

@ -17,6 +17,7 @@ ENTRY(__memset)
ENTRY(mmioset)
WEAK(memset)
UNWIND( .fnstart )
and r1, r1, #255 @ cast to unsigned char
ands r3, r0, #3 @ 1 unaligned?
mov ip, r0 @ preserve r0 as return value
bne 6f @ 1