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-rw-r--r--arch/m68k/amiga/config.c1
-rw-r--r--arch/m68k/apollo/config.c1
-rw-r--r--arch/m68k/bvme6000/config.c1
-rw-r--r--arch/m68k/hp300/config.c2
-rw-r--r--arch/m68k/include/asm/atomic.h44
-rw-r--r--arch/m68k/include/asm/flat.h13
-rw-r--r--arch/m68k/include/asm/processor.h15
-rw-r--r--arch/m68k/kernel/dma.c12
-rw-r--r--arch/m68k/kernel/signal.c1
-rw-r--r--arch/m68k/kernel/time.c48
-rw-r--r--arch/m68k/mac/config.c3
-rw-r--r--arch/m68k/mac/misc.c1
-rw-r--r--arch/m68k/mm/fault.c2
-rw-r--r--arch/m68k/mvme147/config.c1
-rw-r--r--arch/m68k/mvme16x/config.c1
-rw-r--r--arch/m68k/q40/config.c2
-rw-r--r--arch/m68k/sun3/config.c1
-rw-r--r--arch/m68k/sun3/intersil.c2
-rw-r--r--arch/m68k/sun3x/time.c2
19 files changed, 110 insertions, 43 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 01693df7f..ec9cc1fdd 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -35,7 +35,6 @@
#include <asm/amigahw.h>
#include <asm/amigaints.h>
#include <asm/irq.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
#include <asm/io.h>
diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c
index 6e62d66c3..432bc8bac 100644
--- a/arch/m68k/apollo/config.c
+++ b/arch/m68k/apollo/config.c
@@ -15,7 +15,6 @@
#include <asm/pgtable.h>
#include <asm/apollohw.h>
#include <asm/irq.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
u_long sio01_physaddr;
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index 478623dbb..611d4d9ea 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -34,7 +34,6 @@
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/traps.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
#include <asm/bvme6000hw.h>
diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c
index a9befe65a..7cfab158f 100644
--- a/arch/m68k/hp300/config.c
+++ b/arch/m68k/hp300/config.c
@@ -12,6 +12,7 @@
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/console.h>
+#include <linux/rtc.h>
#include <asm/bootinfo.h>
#include <asm/bootinfo-hp300.h>
@@ -20,7 +21,6 @@
#include <asm/blinken.h>
#include <asm/io.h> /* readb() and writeb() */
#include <asm/hp300hw.h>
-#include <asm/rtc.h>
#include "time.h"
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index 485817826..cf4c3a7b1 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -53,6 +53,21 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
return t; \
}
+#define ATOMIC_FETCH_OP(op, c_op, asm_op) \
+static inline int atomic_fetch_##op(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 tmp; \
+}
+
#else
#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
@@ -68,20 +83,41 @@ static inline int atomic_##op##_return(int i, atomic_t * v) \
return t; \
}
+#define ATOMIC_FETCH_OP(op, c_op, asm_op) \
+static inline int atomic_fetch_##op(int i, atomic_t * v) \
+{ \
+ unsigned long flags; \
+ int t; \
+ \
+ local_irq_save(flags); \
+ t = v->counter; \
+ 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_OP_RETURN(op, c_op, asm_op) \
+ ATOMIC_FETCH_OP(op, c_op, asm_op)
ATOMIC_OPS(add, +=, add)
ATOMIC_OPS(sub, -=, sub)
-ATOMIC_OP(and, &=, and)
-ATOMIC_OP(or, |=, or)
-ATOMIC_OP(xor, ^=, eor)
+#undef ATOMIC_OPS
+#define ATOMIC_OPS(op, c_op, asm_op) \
+ ATOMIC_OP(op, c_op, asm_op) \
+ ATOMIC_FETCH_OP(op, c_op, asm_op)
+
+ATOMIC_OPS(and, &=, and)
+ATOMIC_OPS(or, |=, or)
+ATOMIC_OPS(xor, ^=, eor)
#undef ATOMIC_OPS
+#undef ATOMIC_FETCH_OP
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h
index f9454b89a..00c392b0c 100644
--- a/arch/m68k/include/asm/flat.h
+++ b/arch/m68k/include/asm/flat.h
@@ -1,5 +1,5 @@
/*
- * include/asm-m68knommu/flat.h -- uClinux flat-format executables
+ * flat.h -- uClinux flat-format executables
*/
#ifndef __M68KNOMMU_FLAT_H__
@@ -8,8 +8,9 @@
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-#define flat_get_addr_from_rp(rp, relval, flags, p) get_unaligned(rp)
-#define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp)
+#define flat_get_addr_from_rp(rp, relval, flags, p) \
+ ({ unsigned long __val; __get_user_unaligned(__val, rp); __val; })
+#define flat_put_addr_at_rp(rp, val, relval) __put_user_unaligned(val, rp)
#define flat_get_relocate_addr(rel) (rel)
static inline int flat_set_persistent(unsigned long relval,
@@ -18,4 +19,10 @@ static inline int flat_set_persistent(unsigned long relval,
return 0;
}
+#define FLAT_PLAT_INIT(regs) \
+ do { \
+ if (current->mm) \
+ (regs)->d5 = current->mm->start_data; \
+ } while (0)
+
#endif /* __M68KNOMMU_FLAT_H__ */
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index a6ce2ec8d..c84a2183b 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -110,7 +110,6 @@ struct thread_struct {
#define setframeformat(_regs) do { } while (0)
#endif
-#ifdef CONFIG_MMU
/*
* Do necessary setup to start up a newly executed thread.
*/
@@ -123,26 +122,14 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
wrusp(usp);
}
+#ifdef CONFIG_MMU
extern int handle_kernel_fault(struct pt_regs *regs);
-
#else
-
-#define start_thread(_regs, _pc, _usp) \
-do { \
- (_regs)->pc = (_pc); \
- setframeformat(_regs); \
- if (current->mm) \
- (_regs)->d5 = current->mm->start_data; \
- (_regs)->sr &= ~0x2000; \
- wrusp(_usp); \
-} while(0)
-
static inline int handle_kernel_fault(struct pt_regs *regs)
{
/* Any fault in kernel is fatal on non-mmu */
return 0;
}
-
#endif
/* Forward declaration, a strange C thing */
diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c
index cbc78b411..8cf97cbad 100644
--- a/arch/m68k/kernel/dma.c
+++ b/arch/m68k/kernel/dma.c
@@ -19,7 +19,7 @@
#if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
static void *m68k_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
- gfp_t flag, struct dma_attrs *attrs)
+ gfp_t flag, unsigned long attrs)
{
struct page *page, **map;
pgprot_t pgprot;
@@ -62,7 +62,7 @@ static void *m68k_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
}
static void m68k_dma_free(struct device *dev, size_t size, void *addr,
- dma_addr_t handle, struct dma_attrs *attrs)
+ dma_addr_t handle, unsigned long attrs)
{
pr_debug("dma_free_coherent: %p, %x\n", addr, handle);
vfree(addr);
@@ -73,7 +73,7 @@ static void m68k_dma_free(struct device *dev, size_t size, void *addr,
#include <asm/cacheflush.h>
static void *m68k_dma_alloc(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs)
+ dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs)
{
void *ret;
/* ignore region specifiers */
@@ -91,7 +91,7 @@ static void *m68k_dma_alloc(struct device *dev, size_t size,
}
static void m68k_dma_free(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_handle, struct dma_attrs *attrs)
+ dma_addr_t dma_handle, unsigned long attrs)
{
free_pages((unsigned long)vaddr, get_order(size));
}
@@ -130,7 +130,7 @@ static void m68k_dma_sync_sg_for_device(struct device *dev,
static dma_addr_t m68k_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction dir,
- struct dma_attrs *attrs)
+ unsigned long attrs)
{
dma_addr_t handle = page_to_phys(page) + offset;
@@ -139,7 +139,7 @@ static dma_addr_t m68k_dma_map_page(struct device *dev, struct page *page,
}
static int m68k_dma_map_sg(struct device *dev, struct scatterlist *sglist,
- int nents, enum dma_data_direction dir, struct dma_attrs *attrs)
+ int nents, enum dma_data_direction dir, unsigned long attrs)
{
int i;
struct scatterlist *sg;
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 2dcee3a88..9202f82df 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -213,7 +213,6 @@ static inline int frame_extra_sizes(int f)
static inline void adjustformat(struct pt_regs *regs)
{
- ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data;
/*
* set format byte to make stack appear modulo 4, which it will
* be when doing the rte
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
index 3857737e3..4e5aa2f4f 100644
--- a/arch/m68k/kernel/time.c
+++ b/arch/m68k/kernel/time.c
@@ -86,7 +86,49 @@ void read_persistent_clock(struct timespec *ts)
}
}
-#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
+#if defined(CONFIG_ARCH_USES_GETTIMEOFFSET) && IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
+static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+ mach_hwclk(0, tm);
+ return rtc_valid_tm(tm);
+}
+
+static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+ if (mach_hwclk(1, tm) < 0)
+ return -EOPNOTSUPP;
+ return 0;
+}
+
+static int rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+{
+ struct rtc_pll_info pll;
+ struct rtc_pll_info __user *argp = (void __user *)arg;
+
+ switch (cmd) {
+ case RTC_PLL_GET:
+ if (!mach_get_rtc_pll || mach_get_rtc_pll(&pll))
+ return -EINVAL;
+ return copy_to_user(argp, &pll, sizeof pll) ? -EFAULT : 0;
+
+ case RTC_PLL_SET:
+ if (!mach_set_rtc_pll)
+ return -EINVAL;
+ if (!capable(CAP_SYS_TIME))
+ return -EACCES;
+ if (copy_from_user(&pll, argp, sizeof(pll)))
+ return -EFAULT;
+ return mach_set_rtc_pll(&pll);
+ }
+
+ return -ENOIOCTLCMD;
+}
+
+static const struct rtc_class_ops generic_rtc_ops = {
+ .ioctl = rtc_ioctl,
+ .read_time = rtc_generic_get_time,
+ .set_time = rtc_generic_set_time,
+};
static int __init rtc_init(void)
{
@@ -95,7 +137,9 @@ static int __init rtc_init(void)
if (!mach_hwclk)
return -ENODEV;
- pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+ pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+ &generic_rtc_ops,
+ sizeof(generic_rtc_ops));
return PTR_ERR_OR_ZERO(pdev);
}
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 689b47d29..2f33a3300 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -10,6 +10,7 @@
* Miscellaneous linux stuff
*/
+#include <linux/errno.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/mm.h>
@@ -25,6 +26,7 @@
#include <linux/platform_device.h>
#include <linux/adb.h>
#include <linux/cuda.h>
+#include <linux/rtc.h>
#include <asm/setup.h>
#include <asm/bootinfo.h>
@@ -34,7 +36,6 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
#include <asm/macintosh.h>
diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
index 707b61aea..0fb54a90e 100644
--- a/arch/m68k/mac/misc.c
+++ b/arch/m68k/mac/misc.c
@@ -18,7 +18,6 @@
#include <asm/uaccess.h>
#include <asm/io.h>
-#include <asm/rtc.h>
#include <asm/segment.h>
#include <asm/setup.h>
#include <asm/macintosh.h>
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index 6a94cdd0c..bd66a0b20 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -136,7 +136,7 @@ good_area:
* the fault.
*/
- fault = handle_mm_fault(mm, vma, address, flags);
+ fault = handle_mm_fault(vma, address, flags);
pr_debug("handle_mm_fault returns %d\n", fault);
if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index e6a3b56c6..c11d38dfa 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -32,7 +32,6 @@
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/traps.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
#include <asm/mvme147hw.h>
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index a53803cc6..58e240939 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -35,7 +35,6 @@
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/traps.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
#include <asm/mvme16xhw.h>
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index e90fe9036..fcb7f05b6 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -12,6 +12,7 @@
* for more details.
*/
+#include <linux/errno.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/mm.h>
@@ -27,7 +28,6 @@
#include <linux/platform_device.h>
#include <asm/io.h>
-#include <asm/rtc.h>
#include <asm/bootinfo.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 71884bf01..3af34fa3a 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -26,7 +26,6 @@
#include <asm/pgalloc.h>
#include <asm/sun3-head.h>
#include <asm/sun3mmu.h>
-#include <asm/rtc.h>
#include <asm/machdep.h>
#include <asm/machines.h>
#include <asm/idprom.h>
diff --git a/arch/m68k/sun3/intersil.c b/arch/m68k/sun3/intersil.c
index 889829e11..2cd0bcbe6 100644
--- a/arch/m68k/sun3/intersil.c
+++ b/arch/m68k/sun3/intersil.c
@@ -14,8 +14,8 @@
#include <linux/rtc.h>
#include <asm/errno.h>
-#include <asm/rtc.h>
#include <asm/intersil.h>
+#include <asm/machdep.h>
/* bits to set for start/run of the intersil */
diff --git a/arch/m68k/sun3x/time.c b/arch/m68k/sun3x/time.c
index c8eb08add..431d3c430 100644
--- a/arch/m68k/sun3x/time.c
+++ b/arch/m68k/sun3x/time.c
@@ -15,10 +15,10 @@
#include <asm/irq.h>
#include <asm/io.h>
+#include <asm/machdep.h>
#include <asm/traps.h>
#include <asm/sun3x.h>
#include <asm/sun3ints.h>
-#include <asm/rtc.h>
#include "time.h"
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 01:53:41 +0000