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
mariux64 · Nov 3, 2023 · c9cacf7 · c9cacf7
2 parents 8c04bdd + c7368dd
commit c9cacf7
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Showing 9 changed files with 25 additions and 33 deletions.
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
@@ -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;

diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
@@ -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

diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h
@@ -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
 
 /*

diff --git a/arch/arm/include/asm/exception.h b/arch/arm/include/asm/exception.h
@@ -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 */
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
@@ -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);

diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
@@ -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>
@@ -109,24 +110,14 @@ 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")			\
 		__asmeq("%3", "r1")					\
 		"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

diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
@@ -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>

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
@@ -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>

diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S
@@ -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