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authorEtienne Carriere <etienne.carriere@st.com>2020-01-28 10:41:57 +0100
committerVinod Koul <vkoul@kernel.org>2020-02-24 22:22:44 +0530
commitd04d2f620dcfd6baddd276f6dad5268c17c70aa1 (patch)
treeeceef12ab339f0d34f55ef99d29cc46d4e156d04 /drivers
parent57e9f3666a1ba54500b1f61b279f994ac2f23de9 (diff)
downloadlinux-d04d2f620dcfd6baddd276f6dad5268c17c70aa1.tar.bz2
dmaengine: stm32-dmamux: use reset controller only at probe time
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> Link: https://lore.kernel.org/r/20200128094158.20361-4-amelie.delaunay@st.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dma/stm32-dmamux.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c
index a862d3339fb7..1dfecbac64cf 100644
--- a/drivers/dma/stm32-dmamux.c
+++ b/drivers/dma/stm32-dmamux.c
@@ -35,7 +35,6 @@ struct stm32_dmamux {
struct stm32_dmamux_data {
struct dma_router dmarouter;
struct clk *clk;
- struct reset_control *rst;
void __iomem *iomem;
u32 dma_requests; /* Number of DMA requests connected to DMAMUX */
u32 dmamux_requests; /* Number of DMA requests routed toward DMAs */
@@ -182,6 +181,7 @@ static int stm32_dmamux_probe(struct platform_device *pdev)
struct stm32_dmamux_data *stm32_dmamux;
struct resource *res;
void __iomem *iomem;
+ struct reset_control *rst;
int i, count, ret;
u32 dma_req;
@@ -265,11 +265,11 @@ static int stm32_dmamux_probe(struct platform_device *pdev)
return ret;
}
- stm32_dmamux->rst = devm_reset_control_get(&pdev->dev, NULL);
- if (!IS_ERR(stm32_dmamux->rst)) {
- reset_control_assert(stm32_dmamux->rst);
+ rst = devm_reset_control_get(&pdev->dev, NULL);
+ if (!IS_ERR(rst)) {
+ reset_control_assert(rst);
udelay(2);
- reset_control_deassert(stm32_dmamux->rst);
+ reset_control_deassert(rst);
}
stm32_dmamux->iomem = iomem;