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authorPetr Mladek <pmladek@suse.com>2020-06-01 10:15:43 +0200
committerPetr Mladek <pmladek@suse.com>2020-06-01 10:15:43 +0200
commit8b390ab725fddc443bb0082a6c67e82e25bfba7e (patch)
tree8e036c8c4ff5b039686be37cf9dafcbfe0341b84 /lib/vsprintf.c
parentd053cf0d771f6547cb0537759a9af63cf402908d (diff)
parent5f1fcf8c0adc94a334832a7fdf925801b8c339b4 (diff)
Merge branch 'for-5.8-printf-time64_t' into for-linus
Diffstat (limited to 'lib/vsprintf.c')
-rw-r--r--lib/vsprintf.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index d5641a217685..e733eb8915e3 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -34,6 +34,7 @@
#include <linux/dcache.h>
#include <linux/cred.h>
#include <linux/rtc.h>
+#include <linux/time.h>
#include <linux/uuid.h>
#include <linux/of.h>
#include <net/addrconf.h>
@@ -1820,14 +1821,39 @@ char *rtc_str(char *buf, char *end, const struct rtc_time *tm,
}
static noinline_for_stack
+char *time64_str(char *buf, char *end, const time64_t time,
+ struct printf_spec spec, const char *fmt)
+{
+ struct rtc_time rtc_time;
+ struct tm tm;
+
+ time64_to_tm(time, 0, &tm);
+
+ rtc_time.tm_sec = tm.tm_sec;
+ rtc_time.tm_min = tm.tm_min;
+ rtc_time.tm_hour = tm.tm_hour;
+ rtc_time.tm_mday = tm.tm_mday;
+ rtc_time.tm_mon = tm.tm_mon;
+ rtc_time.tm_year = tm.tm_year;
+ rtc_time.tm_wday = tm.tm_wday;
+ rtc_time.tm_yday = tm.tm_yday;
+
+ rtc_time.tm_isdst = 0;
+
+ return rtc_str(buf, end, &rtc_time, spec, fmt);
+}
+
+static noinline_for_stack
char *time_and_date(char *buf, char *end, void *ptr, struct printf_spec spec,
const char *fmt)
{
switch (fmt[1]) {
case 'R':
return rtc_str(buf, end, (const struct rtc_time *)ptr, spec, fmt);
+ case 'T':
+ return time64_str(buf, end, *(const time64_t *)ptr, spec, fmt);
default:
- return error_string(buf, end, "(%ptR?)", spec);
+ return error_string(buf, end, "(%pt?)", spec);
}
}
@@ -2143,8 +2169,9 @@ char *fwnode_string(char *buf, char *end, struct fwnode_handle *fwnode,
* - 'd[234]' For a dentry name (optionally 2-4 last components)
* - 'D[234]' Same as 'd' but for a struct file
* - 'g' For block_device name (gendisk + partition number)
- * - 't[R][dt][r]' For time and date as represented:
+ * - 't[RT][dt][r]' For time and date as represented by:
* R struct rtc_time
+ * T time64_t
* - 'C' For a clock, it prints the name (Common Clock Framework) or address
* (legacy clock framework) of the clock
* - 'Cn' For a clock, it prints the name (Common Clock Framework) or address