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authorEtienne Carriere <etienne.carriere@st.com>2020-01-13 16:14:25 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-01-18 17:30:15 +0300
commit4a001c96b1c6d39831be3ef957968404be96d75e (patch)
tree6e802d6f2daf0a184cc6fc90e17a5e4b043b5b16 /drivers/iio/dac
parent0013ccaa136ddaa59c6fc2b2c8fbb3e865cdf8b1 (diff)
downloadlinux-4a001c96b1c6d39831be3ef957968404be96d75e.tar.xz
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: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/dac')
-rw-r--r--drivers/iio/dac/stm32-dac-core.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/iio/dac/stm32-dac-core.c b/drivers/iio/dac/stm32-dac-core.c
index 9e6b4cd0a5cc..4d93446c58f5 100644
--- a/drivers/iio/dac/stm32-dac-core.c
+++ b/drivers/iio/dac/stm32-dac-core.c
@@ -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) {