diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
| commit | 2040cf9f59037aa8aec749363e69ead165b67b43 (patch) | |
| tree | e9c15448e841cc493bc80b9f658d7955623e86dd /drivers/rtc/rtc-vr41xx.c | |
| parent | kprobes: Set unoptimized flag after unoptimizing code (diff) | |
| parent | Linux 5.5-rc1 (diff) | |
| download | linux-2040cf9f59037aa8aec749363e69ead165b67b43.tar.xz linux-2040cf9f59037aa8aec749363e69ead165b67b43.zip | |
Merge tag 'v5.5-rc1' into core/kprobes, to resolve conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/rtc/rtc-vr41xx.c')
| -rw-r--r-- | drivers/rtc/rtc-vr41xx.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c index c75230562c0d..c3671043ace7 100644 --- a/drivers/rtc/rtc-vr41xx.c +++ b/drivers/rtc/rtc-vr41xx.c @@ -4,6 +4,7 @@ * * Copyright (C) 2003-2008 Yoichi Yuasa <yuasa@linux-mips.org> */ +#include <linux/compat.h> #include <linux/err.h> #include <linux/fs.h> #include <linux/init.h> @@ -66,6 +67,9 @@ static void __iomem *rtc2_base; #define rtc2_read(offset) readw(rtc2_base + (offset)) #define rtc2_write(offset, value) writew((value), rtc2_base + (offset)) +/* 32-bit compat for ioctls that nobody else uses */ +#define RTC_EPOCH_READ32 _IOR('p', 0x0d, __u32) + static unsigned long epoch = 1970; /* Jan 1 1970 00:00:00 */ static DEFINE_SPINLOCK(rtc_lock); @@ -179,6 +183,10 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long switch (cmd) { case RTC_EPOCH_READ: return put_user(epoch, (unsigned long __user *)arg); +#ifdef CONFIG_64BIT + case RTC_EPOCH_READ32: + return put_user(epoch, (unsigned int __user *)arg); +#endif case RTC_EPOCH_SET: /* Doesn't support before 1900 */ if (arg < 1900) |