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marvell: drivers: correct RTC init sequence

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It turned out that resetting the RTC time register is not
necessary during initial configuration. Safely remove it
from the sequence.

Change-Id: Id2b9c7db44a8c8dbe88a7f8a21695b72a7fd78ee
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Reviewed-by: Nadav Haklai <nadavh@marvell.com>
Reviewed-by: Kostya Porotchkin <kostap@marvell.com>
This commit is contained in:
Marcin Wojtas 2018-07-30 10:18:45 +02:00 • committed by Konstantin Porotchkin
parent 4acd900df6
commit 349df242ed
1 changed files with 0 additions and 8 deletions
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8
drivers/marvell/mochi/cp110_setup.c
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@ -341,10 +341,6 @@ static void cp110_rtc_init(uintptr_t base)
mmio_write_32(base + MVEBU_RTC_TEST_CONFIG_REG, 0); mmio_write_32(base + MVEBU_RTC_TEST_CONFIG_REG, 0);
mdelay(500); mdelay(500);
/* Reset Time register */
mmio_write_32(base + MVEBU_RTC_TIME_REG, 0);
udelay(62);
/* Reset Status register */ /* Reset Status register */
mmio_write_32(base + MVEBU_RTC_STATUS_REG, mmio_write_32(base + MVEBU_RTC_STATUS_REG,
(MVEBU_RTC_STATUS_ALARM1_MASK | (MVEBU_RTC_STATUS_ALARM1_MASK |
@ -361,10 +357,6 @@ static void cp110_rtc_init(uintptr_t base)
mmio_write_32(base + MVEBU_RTC_CCR_REG, mmio_write_32(base + MVEBU_RTC_CCR_REG,
MVEBU_RTC_NOMINAL_TIMING); MVEBU_RTC_NOMINAL_TIMING);
/* Reset Time register */
mmio_write_32(base + MVEBU_RTC_TIME_REG, 0);
udelay(10);
/* Reset Status register */ /* Reset Status register */
mmio_write_32(base + MVEBU_RTC_STATUS_REG, mmio_write_32(base + MVEBU_RTC_STATUS_REG,
(MVEBU_RTC_STATUS_ALARM1_MASK | (MVEBU_RTC_STATUS_ALARM1_MASK |