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Diffstat (limited to 'arch/m68k/kernel')
-rw-r--r--arch/m68k/kernel/dma.c12
-rw-r--r--arch/m68k/kernel/signal.c1
-rw-r--r--arch/m68k/kernel/time.c48
3 files changed, 52 insertions, 9 deletions
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);
}