* [PATCH 1/1] PCI: replace chan->device->dev with dmaengine_get_provider_device()
@ 2026-11-03 21:29 Frank.Li
0 siblings, 0 replies; only message in thread
From: Frank.Li @ 2026-11-03 21:29 UTC (permalink / raw)
To: Manivannan Sadhasivam, Jeff Hugo, Krzysztof Wilczyński,
Kishon Vijay Abraham I, Frank Li, Bjorn Helgaas, Niklas Cassel,
Koichiro Den, Christian Bruel, Marco Crivellari, Andy Shevchenko,
open list:MHI BUS, open list:MHI BUS,
open list:PCI ENDPOINT SUBSYSTEM, open list
Cc: imx, vkoul, Frank Li
From: Frank Li <Frank.Li@nxp.com>
Use the dmaengine_get_provider_device() API instead of directly
accessing chan->device->dev to get the DMA provider device.
No functional change. Prepare make to struct dma_device private to the DMA
engine.
Assisted-by: LLM
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
drivers/pci/endpoint/functions/pci-epf-mhi.c | 2 +-
drivers/pci/endpoint/functions/pci-epf-test.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c
index 78f1fb1a6b0c7..5677fcbfe44f7 100644
--- a/drivers/pci/endpoint/functions/pci-epf-mhi.c
+++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c
@@ -646,7 +646,7 @@ static bool pci_epf_mhi_filter(struct dma_chan *chan, void *node)
memset(&caps, 0, sizeof(caps));
dma_get_slave_caps(chan, &caps);
- return chan->device->dev == filter->dev && filter->dma_mask &
+ return dmaengine_get_provider_device(chan) == filter->dev && filter->dma_mask &
caps.directions;
}
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index d4905aa8e4c01..fd63e423c4726 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -238,7 +238,7 @@ static bool epf_dma_filter_fn(struct dma_chan *chan, void *node)
memset(&caps, 0, sizeof(caps));
dma_get_slave_caps(chan, &caps);
- return chan->device->dev == filter->dev
+ return dmaengine_get_provider_device(chan) == filter->dev
&& (filter->dma_mask & caps.directions);
}
--
2.43.0
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