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authorPaul Walmsley <paul@pwsan.com>2011-02-23 05:59:49 +0300
committerTony Lindgren <tony@atomide.com>2011-02-24 23:21:21 +0300
commitcbc9438075ca9dee3f39a2e7310f81c304b40359 (patch)
treeeac5f9ed25b96e64a664f5af441e0c238e44cd18 /drivers/net/mlx4/main.c
parentc03773206bf2249a890c4d420ed32ef500630095 (diff)
downloadlinux-cbc9438075ca9dee3f39a2e7310f81c304b40359.tar.xz
OMAP2+: clocksource: fix crash on boot when !CONFIG_OMAP_32K_TIMER
OMAP2+ kernels built without CONFIG_OMAP_32K_TIMER crash on boot after the 2.6.38 sched_clock changes: [ 0.000000] OMAP clockevent source: GPTIMER1 at 13000000 Hz [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 0.000000] pgd = c0004000 [ 0.000000] [00000000] *pgd=00000000 [ 0.000000] Internal error: Oops: 80000005 [#1] SMP [ 0.000000] last sysfs file: [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 Not tainted (2.6.38-rc5-00057-g04aa67d #152) [ 0.000000] PC is at 0x0 [ 0.000000] LR is at sched_clock_poll+0x2c/0x3c Without CONFIG_OMAP_32K_TIMER, the kernel has an clockevent and clocksource resolution about three orders of magnitude higher than with CONFIG_OMAP_32K_TIMER set. The tradeoff is that the lowest power consumption states are not available. Fix by calling init_sched_clock() from the GPTIMER clocksource init code. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/net/mlx4/main.c')
0 files changed, 0 insertions, 0 deletions