aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/power/hibernate.c
diff options
context:
space:
mode:
authorNigel Cunningham <nigel@tuxonice.net>2009-12-06 10:16:07 -0500
committerRafael J. Wysocki <rjw@sisk.pl>2009-12-06 10:16:07 -0500
commit8e60c6a1348e17e68ad73589a52a03876e7059be (patch)
tree320d06254eabd0367e36c65233e6394f83308e8e /kernel/power/hibernate.c
parent0414f2ec03d72dc4e569627e6112fa6dafc99a79 (diff)
PM / Hibernate: Shift remaining code from swsusp.c to hibernate.c
Shift the remaining declaration of the variable in_suspend and the function swsusp_show_speed from swsusp.c to hibernate.c, and delete swsusp.c. Signed-off-by: Nigel Cunningham <nigel@tuxonice.net> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'kernel/power/hibernate.c')
-rw-r--r--kernel/power/hibernate.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 04a9e90d248f..bbfe472d7524 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -32,6 +32,7 @@ static int noresume = 0;
32static char resume_file[256] = CONFIG_PM_STD_PARTITION; 32static char resume_file[256] = CONFIG_PM_STD_PARTITION;
33dev_t swsusp_resume_device; 33dev_t swsusp_resume_device;
34sector_t swsusp_resume_block; 34sector_t swsusp_resume_block;
35int in_suspend __nosavedata = 0;
35 36
36enum { 37enum {
37 HIBERNATION_INVALID, 38 HIBERNATION_INVALID,
@@ -202,6 +203,35 @@ static void platform_recover(int platform_mode)
202} 203}
203 204
204/** 205/**
206 * swsusp_show_speed - print the time elapsed between two events.
207 * @start: Starting event.
208 * @stop: Final event.
209 * @nr_pages - number of pages processed between @start and @stop
210 * @msg - introductory message to print
211 */
212
213void swsusp_show_speed(struct timeval *start, struct timeval *stop,
214 unsigned nr_pages, char *msg)
215{
216 s64 elapsed_centisecs64;
217 int centisecs;
218 int k;
219 int kps;
220
221 elapsed_centisecs64 = timeval_to_ns(stop) - timeval_to_ns(start);
222 do_div(elapsed_centisecs64, NSEC_PER_SEC / 100);
223 centisecs = elapsed_centisecs64;
224 if (centisecs == 0)
225 centisecs = 1; /* avoid div-by-zero */
226 k = nr_pages * (PAGE_SIZE / 1024);
227 kps = (k * 100) / centisecs;
228 printk(KERN_INFO "PM: %s %d kbytes in %d.%02d seconds (%d.%02d MB/s)\n",
229 msg, k,
230 centisecs / 100, centisecs % 100,
231 kps / 1000, (kps % 1000) / 10);
232}
233
234/**
205 * create_image - freeze devices that need to be frozen with interrupts 235 * create_image - freeze devices that need to be frozen with interrupts
206 * off, create the hibernation image and thaw those devices. Control 236 * off, create the hibernation image and thaw those devices. Control
207 * reappears in this routine after a restore. 237 * reappears in this routine after a restore.