Commit 4a001c96 authored by Etienne Carriere's avatar Etienne Carriere Committed by Jonathan Cameron
Browse files

iio: dac: stm32-dac: use reset controller only at probe time 



This change removes the reset controller reference from the local
DAC instance since it is used only at probe time.

Signed-off-by: default avatarEtienne Carriere <etienne.carriere@st.com>
Signed-off-by: default avatarFabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 0013ccaa

drivers/iio/dac/stm32-dac-core.c

+5 −6
Original line number Diff line number Diff line
@@ -20,13 +20,11 @@ 
/**

 * struct stm32_dac_priv - stm32 DAC core private data

 * @pclk:		peripheral clock common for all DACs

 * @rst:		peripheral reset control

 * @vref:		regulator reference

 * @common:		Common data for all DAC instances

 */

struct stm32_dac_priv {

	struct clk *pclk;

	struct reset_control *rst;

	struct regulator *vref;

	struct stm32_dac_common common;

};
@@ -94,6 +92,7 @@ static int stm32_dac_probe(struct platform_device *pdev) 
	struct regmap *regmap;

	struct resource *res;

	void __iomem *mmio;

	struct reset_control *rst;

	int ret;



	if (!dev->of_node)
@@ -148,11 +147,11 @@ static int stm32_dac_probe(struct platform_device *pdev) 
	priv->common.vref_mv = ret / 1000;

	dev_dbg(dev, "vref+=%dmV\n", priv->common.vref_mv);



	priv->rst = devm_reset_control_get_exclusive(dev, NULL);

	if (!IS_ERR(priv->rst)) {

		reset_control_assert(priv->rst);

	rst = devm_reset_control_get_exclusive(dev, NULL);

	if (!IS_ERR(rst)) {

		reset_control_assert(rst);

		udelay(2);

		reset_control_deassert(priv->rst);

		reset_control_deassert(rst);

	}



	if (cfg && cfg->has_hfsel) {

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