From mboxrd@z Thu Jan 1 00:00:00 1970 From: v1ron@mail.ru (Roman Volkov) Date: Mon, 21 Dec 2015 11:29:16 +0300 Subject: [PATCH 0/4] clocksource/vt8500: Fix hangs in small delays In-Reply-To: <1450650492-18996-1-git-send-email-v1ron@mail.ru> References: <1450650492-18996-1-git-send-email-v1ron@mail.ru> Message-ID: <20151221112916.40373d2f@anonymous> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, 21 Dec 2015 01:28:08 +0300 Roman Volkov wrote: > From: Roman Volkov > > 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 > > Roman Volkov (4): > clocksource/vt8500: Use [read\write]l_relaxed() > clocksource/vt8500: Remove the 'loops' variable > clocksource/vt8500: Use MIN_OSCR_DELTA from PXA > clocksource/vt8500: Add register R/W functions > > drivers/clocksource/vt8500_timer.c | 98 > +++++++++++++++++++++++++++----------- 1 file changed, 69 > insertions(+), 29 deletions(-) > Please note that vt8500 maintainer (Tony Prisk) was silent in the last year. Any suggestions on this? Regards, Roman