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thermal: armada: remove useless register accesses 

Prepare the migration to use regmaps by first simplifying the
initialization functions: avoid unnecessary write/read cycles on
configuration registers.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Miquel Raynal 2018-07-16 16:41:45 +02:00 committed by Eduardo Valentin
parent 8d98761a6f
commit 931d3c5db4
1 changed files with 2 additions and 6 deletions
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8
drivers/thermal/armada_thermal.c
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@ -103,16 +103,13 @@ static void armadaxp_init_sensor(struct platform_device *pdev,
reg = readl_relaxed(priv->control1);
reg |= PMU_TDC0_OTF_CAL_MASK;
writel(reg, priv->control1);
/* Reference calibration value */
reg &= ~PMU_TDC0_REF_CAL_CNT_MASK;
reg |= (0xf1 << PMU_TDC0_REF_CAL_CNT_OFFS);
writel(reg, priv->control1);
/* Reset the sensor */
reg = readl_relaxed(priv->control1);
writel((reg | PMU_TDC0_SW_RST_MASK), priv->control1);
reg |= PMU_TDC0_SW_RST_MASK;
writel(reg, priv->control1);
@ -129,14 +126,13 @@ static void armada370_init_sensor(struct platform_device *pdev,
reg = readl_relaxed(priv->control1);
reg |= PMU_TDC0_OTF_CAL_MASK;
writel(reg, priv->control1);
/* Reference calibration value */
reg &= ~PMU_TDC0_REF_CAL_CNT_MASK;
reg |= (0xf1 << PMU_TDC0_REF_CAL_CNT_OFFS);
writel(reg, priv->control1);
reg &= ~PMU_TDC0_START_CAL_MASK;
writel(reg, priv->control1);
msleep(10);