A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

[S390] Move private simple udelay function to arch/s390/lib/delay.c.

Browse source 
Move cio's private simple udelay function to lib/delay.c and turn it
into something much more readable. So we have all implementations
at one place.

Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
This commit is contained in:
Heiko Carstens 2008-10-10 21:33:22 +02:00 • committed by Martin Schwidefsky
commit 5a0d0e6537
3 changed files with 16 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

17
drivers/s390/cio/cio.c
View file

@ -859,19 +859,6 @@ __disable_subchannel_easy(struct subchannel_id schid, struct schib *schib)
return -EBUSY; /* uhm... */
}
/* we can't use the normal udelay here, since it enables external interrupts */
static void udelay_reset(unsigned long usecs)
{
uint64_t start_cc, end_cc;
asm volatile ("STCK %0" : "=m" (start_cc));
do {
cpu_relax();
asm volatile ("STCK %0" : "=m" (end_cc));
} while (((end_cc - start_cc)/4096) < usecs);
}
static int
__clear_io_subchannel_easy(struct subchannel_id schid)
{
@ -887,7 +874,7 @@ __clear_io_subchannel_easy(struct subchannel_id schid)
if (schid_equal(&ti.schid, &schid))
return 0;
}
udelay_reset(100);
udelay_simple(100);
}
return -EBUSY;
}
@ -895,7 +882,7 @@ __clear_io_subchannel_easy(struct subchannel_id schid)
static void __clear_chsc_subchannel_easy(void)
{
/* It seems we can only wait for a bit here :/ */
udelay_reset(100);
udelay_simple(100);
}
static int pgm_check_occured;