UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

This fix is intended for v3.9. It fixes a timer bug on MSM targets 

that cause system hangs.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.19 (GNU/Linux)
 
 iQIcBAABAgAGBQJRULSwAAoJEOa6n1xeVN+C69QP/jBdyAGZE2EK9YKtbYY/IjeJ
 fuJsxm8AhXFkCVbdOm0YCzA99cbiTobNBMY/sP5PxNWSLiTB6w1VlKDLF5gd3XTA
 RJgsdCeWRL2uBcjqrq+PxuAWWGC0OMSFmD4tYwM7hbJLhEV0KNIlcfUPuABS88BA
 A6JtmACVxTTilm4c0CsxVjGwPK/EVdsMQOBrMeLvbrg2XbO8Y9vGvVIT2Qjz38DB
 7xh4kfmRqCb4EuayEmpZHZfyUbhvxEk4sAPhAaXeGMHAL9RHIdhcp5ClI8KcQ/K5
 qU6U/d+mCcXQ7dAVXTcmm7G4HgDk9BVtNUWQXgx/nw9aJg7s9z2CiB6bRQDvAmAb
 evTs4YgjwpESlFgOf2Qx7foH14756yOPjXKrNSHOE4Xb6kNV6UKGhI/n2bP8eTzf
 SRnimElB8iEQb2pYTyUjXv8JP8QD/JaKH5yqjluVEYpXFrUfZvLQE21CkkDnZwuf
 q+lp6qYcwA78ccZhzWhuah8+RT1VZmwX0dE1dj6iklVNoF+PgulBr0rq0F61NFhz
 dmTl9hQI3BnxqcNmaWPbxwBWoaa51WFm1J04RNV9dh9LTyqXpnfav2X/goafteN6
 tbSRJpNpv0Yo/D86NZnfFrgN/xjwAn7+nejSYYT+FWtFJ3Ux9Stv2J1pybxITQAt
 iuRkrmBzSGZ2PRzERb0k
 =xMpr
 -----END PGP SIGNATURE-----

Merge tag 'msm-fix-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into fixes

From David Brown <davidb@codeaurora.org>:

This fix is intended for v3.9.  It fixes a timer bug on MSM targets
that cause system hangs.

* tag 'msm-fix-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
  ARM: msm: Stop counting before reprogramming clockevent

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2013-03-25 22:50:45 +01:00
parent 8bb9660418 4080d2d11a
commit 57f0d12ccb
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/mach-msm/timer.c
View File

@ -62,7 +62,10 @@ static int msm_timer_set_next_event(unsigned long cycles,
{
u32 ctrl = readl_relaxed(event_base + TIMER_ENABLE);
writel_relaxed(0, event_base + TIMER_CLEAR);
ctrl &= ~TIMER_ENABLE_EN;
writel_relaxed(ctrl, event_base + TIMER_ENABLE);
writel_relaxed(ctrl, event_base + TIMER_CLEAR);
writel_relaxed(cycles, event_base + TIMER_MATCH_VAL);
writel_relaxed(ctrl | TIMER_ENABLE_EN, event_base + TIMER_ENABLE);
return 0;