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PCI: rockchip: dw_ep: Support building as a module when dma_test disabled

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Change-Id: I43ef9a2b069f3b49c529170855e88b90984efbf5
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2025-08-19 16:41:06 +08:00
committed by Tao Huang
parent e57fa106fe
commit 488a2bed4a
1 changed files with 10 additions and 11 deletions
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21
drivers/pci/controller/dwc/pcie-dw-ep-rockchip.c
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@@ -289,6 +289,7 @@ static int rockchip_pcie_get_io_resource(struct platform_device *pdev,
if (IS_ERR(rockchip->pci.dbi_base))
return PTR_ERR(rockchip->pci.dbi_base);
rockchip->pci.atu_base = rockchip->pci.dbi_base + DEFAULT_DBI_ATU_OFFSET;
rockchip->pci.atu_size = SZ_4K;
rockchip->dbi_base_physical = dbi_res->start;
ret = device_property_read_u32(dev, "num-ib-windows", &rockchip->num_ib_windows);
@@ -937,9 +938,6 @@ static int rockchip_pcie_config_host(struct rockchip_pcie *rockchip)
u32 reg, val;
int ret, retries, i;
/* Detecting ATU features to achieve DWC ATU interface development */
dw_pcie_iatu_detect(&rockchip->pci);
if (dw_pcie_link_up(&rockchip->pci))
goto already_linkup;
else
@@ -1246,13 +1244,14 @@ static int rockchip_pcie_get_dma_status(struct dma_trx_obj *obj, u8 chn, enum dm
static int rockchip_pcie_init_dma_trx(struct rockchip_pcie *rockchip)
{
struct dw_pcie *pci = &rockchip->pci;
rockchip->dma_obj = pcie_dw_dmatest_register(pci->dev, true);
if (IS_ERR(rockchip->dma_obj)) {
dev_err(rockchip->pci.dev, "failed to prepare dmatest\n");
return -EINVAL;
} else if (rockchip->dma_obj) {
if (IS_ENABLED(CONFIG_PCIE_DW_ROCKCHIP_RC_DMATEST)) {
rockchip->dma_obj = pcie_dw_dmatest_register(rockchip->pci.dev, true);
if (IS_ERR(rockchip->dma_obj)) {
dev_err(rockchip->pci.dev, "failed to prepare dmatest\n");
return -EINVAL;
}
}
if (rockchip->dma_obj) {
rockchip->dma_obj->start_dma_func = rockchip_pcie_start_dma_dwc;
rockchip->dma_obj->config_dma_func = rockchip_pcie_config_dma_dwc;
rockchip->dma_obj->get_dma_status = rockchip_pcie_get_dma_status;
@@ -1263,7 +1262,7 @@ static int rockchip_pcie_init_dma_trx(struct rockchip_pcie *rockchip)
static void rockchip_pcie_deinit_dma_trx(struct rockchip_pcie *rockchip)
{
if (rockchip->dma_obj)
if (IS_ENABLED(CONFIG_PCIE_DW_ROCKCHIP_RC_DMATEST) && rockchip->dma_obj)
pcie_dw_dmatest_unregister(rockchip->dma_obj);
}