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Subject[PATCH 2/6] dmaengine: stm32-mdma: use reset controller only at probe time
Date
From: Etienne Carriere <etienne.carriere@st.com>

Remove reset controller reference from device instance since it is
used only at probe time.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
---
drivers/dma/stm32-mdma.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
index 2898411941d5..a0fb80dfb2e9 100644
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32-mdma.c
@@ -273,7 +273,6 @@ struct stm32_mdma_device {
void __iomem *base;
struct clk *clk;
int irq;
- struct reset_control *rst;
u32 nr_channels;
u32 nr_requests;
u32 nr_ahb_addr_masks;
@@ -1532,6 +1531,7 @@ static int stm32_mdma_probe(struct platform_device *pdev)
struct dma_device *dd;
struct device_node *of_node;
struct resource *res;
+ struct reset_control *rst;
u32 nr_channels, nr_requests;
int i, count, ret;

@@ -1590,11 +1590,11 @@ static int stm32_mdma_probe(struct platform_device *pdev)
return ret;
}

- dmadev->rst = devm_reset_control_get(&pdev->dev, NULL);
- if (!IS_ERR(dmadev->rst)) {
- reset_control_assert(dmadev->rst);
+ rst = devm_reset_control_get(&pdev->dev, NULL);
+ if (!IS_ERR(rst)) {
+ reset_control_assert(rst);
udelay(2);
- reset_control_deassert(dmadev->rst);
+ reset_control_deassert(rst);
}

dd = &dmadev->ddev;
--
2.17.1
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