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MIPS: Malta: malta-time: Ensure GIC counter is running 

Start the GIC counter before we try to determine its frequency.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9596/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Markos Chandras 2015-03-23 12:32:03 +00:00 committed by Ralf Baechle
parent 7d9cd1f518
commit be37a9900b
1 changed files with 3 additions and 1 deletions
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4
arch/mips/mti-malta/malta-time.c
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@ -87,8 +87,10 @@ static void __init estimate_frequencies(void)
/* Initialize counters. */
start = read_c0_count();
if (gic_present)
if (gic_present) {
gic_start_count();
gicstart = gic_read_count();
}
/* Read counter exactly on falling edge of update flag. */
while (CMOS_READ(RTC_REG_A) & RTC_UIP);