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Date: Fri, 1 Jan 2016 16:24:40 +0300
From: Roman Volkov <v1ron@...l.ru>
To: arm@...nel.org, linux+armsoc@....linux.org.uk
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Arnd Bergmann <arnd@...db.de>,
Alexey Charkov <alchark@...il.com>,
Roman Volkov <rvolkov@...os.org>,
Tony Prisk <linux@...sktech.co.nz>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH v3 0/3] clocksource/vt8500: Fix hangs in small delays
From: Roman Volkov <rvolkov@...os.org>
vt8500 hangs in nanosleep() function, starting from commit
c6eb3f70d4482806dc2d3e1e3c7736f497b1d418, making the system unusable.
Per investigation, looks like set_next_event() now receives too small
delta and fails with -ETIME.
Google group discussion:
https://groups.google.com/forum/#!topic/vt8500-wm8505-linux-kernel/vDMF_mDOb1k
v2:
Address comments by Alexey Charkov. Merge patches to get less amount of
changes (three patches instead of four).
v3:
Address comments by Thomas Gleixner. Edit the changelog.
Tested on my WM8650, no issues in three days uptime.
Roman Volkov (3):
clocksource/vt8500: Use MIN_OSCR_DELTA from PXA
clocksource/vt8500: Remove the 'loops' variable
clocksource/vt8500: Add register R/W functions
drivers/clocksource/vt8500_timer.c | 98 +++++++++++++++++++++++++++-----------
1 file changed, 69 insertions(+), 29 deletions(-)
--
2.6.2
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