If PCI enumerated controller has a companion device,
register it in the ACPI DMA controllers as well.
Fixes: f7c799e950f9 ("dmaengine: dw: we do support Merrifield SoC in PCI mode")
Depends-on: b685fe26e9af ("dmaengine: dw: platform: Split ACPI helpers to separate module")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/dma/dw/Makefile | 2 +-
drivers/dma/dw/acpi.c | 2 ++
drivers/dma/dw/pci.c | 4 ++++
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/dw/Makefile b/drivers/dma/dw/Makefile
index b6f06699e91a..9e949f13e1b5 100644
--- a/drivers/dma/dw/Makefile
+++ b/drivers/dma/dw/Makefile
@@ -1,10 +1,10 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_DW_DMAC_CORE) += dw_dmac_core.o
dw_dmac_core-objs := core.o dw.o idma32.o
+dw_dmac_core-$(CONFIG_ACPI) += acpi.o
obj-$(CONFIG_DW_DMAC) += dw_dmac.o
dw_dmac-y := platform.o
-dw_dmac-$(CONFIG_ACPI) += acpi.o
dw_dmac-$(CONFIG_OF) += of.o
obj-$(CONFIG_DW_DMAC_PCI) += dw_dmac_pci.o
diff --git a/drivers/dma/dw/acpi.c b/drivers/dma/dw/acpi.c
index f6e8d55b4f6e..c510c109d2c3 100644
--- a/drivers/dma/dw/acpi.c
+++ b/drivers/dma/dw/acpi.c
@@ -41,6 +41,7 @@ void dw_dma_acpi_controller_register(struct dw_dma *dw)
if (ret)
dev_err(dev, "could not register acpi_dma_controller\n");
}
+EXPORT_SYMBOL_GPL(dw_dma_acpi_controller_register);
void dw_dma_acpi_controller_free(struct dw_dma *dw)
{
@@ -51,3 +52,4 @@ void dw_dma_acpi_controller_free(struct dw_dma *dw)
acpi_dma_controller_free(dev);
}
+EXPORT_SYMBOL_GPL(dw_dma_acpi_controller_free);
diff --git a/drivers/dma/dw/pci.c b/drivers/dma/dw/pci.c
index cf6e8ec4c0ff..1142aa6f8c4a 100644
--- a/drivers/dma/dw/pci.c
+++ b/drivers/dma/dw/pci.c
@@ -60,6 +60,8 @@ static int dw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
if (ret)
return ret;
+ dw_dma_acpi_controller_register(chip->dw);
+
pci_set_drvdata(pdev, data);
return 0;
@@ -71,6 +73,8 @@ static void dw_pci_remove(struct pci_dev *pdev)
struct dw_dma_chip *chip = data->chip;
int ret;
+ dw_dma_acpi_controller_free(chip->dw);
+
ret = data->remove(chip);
if (ret)
dev_warn(&pdev->dev, "can't remove device properly: %d\n", ret);
--
2.26.2
