openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: stm32-mdma: 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/20200127085334.13163-3-amelie.delaunay@st.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Etienne Carriere 2020-01-27 09:53:30 +01:00 committed by Vinod Koul
parent 7cb819c856
commit 54d50c8184
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/dma/stm32-mdma.c
View File

@ -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;