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-rw-r--r--arch/m68k/include/asm/Kbuild1
-rw-r--r--arch/m68k/include/asm/atomic.h111
-rw-r--r--arch/m68k/include/asm/io_mm.h9
-rw-r--r--arch/m68k/include/asm/io_no.h9
-rw-r--r--arch/m68k/include/asm/m54xxpci.h2
-rw-r--r--arch/m68k/include/asm/unistd.h2
6 files changed, 68 insertions, 66 deletions
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index c67c94a2d672..dbaf9f3065e8 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -11,6 +11,7 @@ generic-y += hw_irq.h
generic-y += ioctl.h
generic-y += ipcbuf.h
generic-y += irq_regs.h
+generic-y += irq_work.h
generic-y += kdebug.h
generic-y += kmap_types.h
generic-y += kvm_para.h
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 55695212a2ae..e85f047fb072 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -17,7 +17,7 @@
#define ATOMIC_INIT(i) { (i) }
-#define atomic_read(v) (*(volatile int *)&(v)->counter)
+#define atomic_read(v) ACCESS_ONCE((v)->counter)
#define atomic_set(v, i) (((v)->counter) = i)
/*
@@ -30,16 +30,57 @@
#define ASM_DI "di"
#endif
-static inline void atomic_add(int i, atomic_t *v)
-{
- __asm__ __volatile__("addl %1,%0" : "+m" (*v) : ASM_DI (i));
+#define ATOMIC_OP(op, c_op, asm_op) \
+static inline void atomic_##op(int i, atomic_t *v) \
+{ \
+ __asm__ __volatile__(#asm_op "l %1,%0" : "+m" (*v) : ASM_DI (i));\
+} \
+
+#ifdef CONFIG_RMW_INSNS
+
+#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
+static inline int atomic_##op##_return(int i, atomic_t *v) \
+{ \
+ int t, tmp; \
+ \
+ __asm__ __volatile__( \
+ "1: movel %2,%1\n" \
+ " " #asm_op "l %3,%1\n" \
+ " casl %2,%1,%0\n" \
+ " jne 1b" \
+ : "+m" (*v), "=&d" (t), "=&d" (tmp) \
+ : "g" (i), "2" (atomic_read(v))); \
+ return t; \
}
-static inline void atomic_sub(int i, atomic_t *v)
-{
- __asm__ __volatile__("subl %1,%0" : "+m" (*v) : ASM_DI (i));
+#else
+
+#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
+static inline int atomic_##op##_return(int i, atomic_t * v) \
+{ \
+ unsigned long flags; \
+ int t; \
+ \
+ local_irq_save(flags); \
+ t = (v->counter c_op i); \
+ local_irq_restore(flags); \
+ \
+ return t; \
}
+#endif /* CONFIG_RMW_INSNS */
+
+#define ATOMIC_OPS(op, c_op, asm_op) \
+ ATOMIC_OP(op, c_op, asm_op) \
+ ATOMIC_OP_RETURN(op, c_op, asm_op)
+
+ATOMIC_OPS(add, +=, add)
+ATOMIC_OPS(sub, -=, sub)
+
+#undef ATOMIC_OPS
+#undef ATOMIC_OP_RETURN
+#undef ATOMIC_OP
+
static inline void atomic_inc(atomic_t *v)
{
__asm__ __volatile__("addql #1,%0" : "+m" (*v));
@@ -76,67 +117,11 @@ static inline int atomic_inc_and_test(atomic_t *v)
#ifdef CONFIG_RMW_INSNS
-static inline int atomic_add_return(int i, atomic_t *v)
-{
- int t, tmp;
-
- __asm__ __volatile__(
- "1: movel %2,%1\n"
- " addl %3,%1\n"
- " casl %2,%1,%0\n"
- " jne 1b"
- : "+m" (*v), "=&d" (t), "=&d" (tmp)
- : "g" (i), "2" (atomic_read(v)));
- return t;
-}
-
-static inline int atomic_sub_return(int i, atomic_t *v)
-{
- int t, tmp;
-
- __asm__ __volatile__(
- "1: movel %2,%1\n"
- " subl %3,%1\n"
- " casl %2,%1,%0\n"
- " jne 1b"
- : "+m" (*v), "=&d" (t), "=&d" (tmp)
- : "g" (i), "2" (atomic_read(v)));
- return t;
-}
-
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#else /* !CONFIG_RMW_INSNS */
-static inline int atomic_add_return(int i, atomic_t * v)
-{
- unsigned long flags;
- int t;
-
- local_irq_save(flags);
- t = atomic_read(v);
- t += i;
- atomic_set(v, t);
- local_irq_restore(flags);
-
- return t;
-}
-
-static inline int atomic_sub_return(int i, atomic_t * v)
-{
- unsigned long flags;
- int t;
-
- local_irq_save(flags);
- t = atomic_read(v);
- t -= i;
- atomic_set(v, t);
- local_irq_restore(flags);
-
- return t;
-}
-
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
unsigned long flags;
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h
index ffdf54f44bc6..8955b40a5dc4 100644
--- a/arch/m68k/include/asm/io_mm.h
+++ b/arch/m68k/include/asm/io_mm.h
@@ -510,6 +510,13 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int
*/
#define xlate_dev_kmem_ptr(p) p
-#define ioport_map(port, nr) ((void __iomem *)(port))
+static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+ return (void __iomem *) port;
+}
+
+static inline void ioport_unmap(void __iomem *p)
+{
+}
#endif /* _IO_H */
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index 52f7e8499172..be4b5a813ad4 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -179,6 +179,15 @@ static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size
*/
#define xlate_dev_kmem_ptr(p) p
+static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+ return (void __iomem *) port;
+}
+
+static inline void ioport_unmap(void __iomem *p)
+{
+}
+
#endif /* __KERNEL__ */
#endif /* _M68KNOMMU_IO_H */
diff --git a/arch/m68k/include/asm/m54xxpci.h b/arch/m68k/include/asm/m54xxpci.h
index 6fbf54f72f2e..4687f5aa3741 100644
--- a/arch/m68k/include/asm/m54xxpci.h
+++ b/arch/m68k/include/asm/m54xxpci.h
@@ -72,7 +72,7 @@
#define PCIRFWPR (CONFIG_MBAR + 0x84d4) /* RX FIFO write pointer */
#define PACR (CONFIG_MBAR + 0xc00) /* PCI arbiter control */
-#define PASR (COFNIG_MBAR + 0xc04) /* PCI arbiter status */
+#define PASR (CONFIG_MBAR + 0xc04) /* PCI arbiter status */
/*
* Definitions for the Global status and control register.
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 1fcdd344c7ad..4ef7a54813e6 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -4,7 +4,7 @@
#include <uapi/asm/unistd.h>
-#define NR_syscalls 352
+#define NR_syscalls 354
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.