[PATCH v2 2/6] dmaengine: axi-dmac: move active_descs list init after device-tree init

From: Alexandru Ardelean
Date: Tue Aug 25 2020 - 08:50:01 EST


We want to enable the clock right after it is obtained. Then later we'll
want to read the core version via register-access (which requires the clock
to be enabled).

The initialization of the active_descs list can be postponed after reading
from registers (or reading the device-tree).

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
---
drivers/dma/dma-axi-dmac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 088c79137398..90a99bdffa2b 100644
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -850,8 +850,6 @@ static int axi_dmac_probe(struct platform_device *pdev)
if (IS_ERR(dmac->clk))
return PTR_ERR(dmac->clk);

- INIT_LIST_HEAD(&dmac->chan.active_descs);
-
of_channels = of_get_child_by_name(pdev->dev.of_node, "adi,channels");
if (of_channels == NULL)
return -ENODEV;
@@ -866,6 +864,8 @@ static int axi_dmac_probe(struct platform_device *pdev)
}
of_node_put(of_channels);

+ INIT_LIST_HEAD(&dmac->chan.active_descs);
+
pdev->dev.dma_parms = &dmac->dma_parms;
dma_set_max_seg_size(&pdev->dev, UINT_MAX);

--
2.17.1