[PATCH v7 4/7] PCI: imx6: Remove cpu_addr_fixup()

Frank Li
2024-10-29T18:47:06Z

Remove cpu_addr_fixup() because dwc common driver already handle address
translate.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
Change from v2 to v7
- none
Change from v1 to v2
- set using_dtbus_info true
---
drivers/pci/controller/dwc/pci-imx6.c | 22 ++--------------------
1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 808d1f1054173..533905b3942a1 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -81,7 +81,6 @@ enum imx_pcie_variants {
#define IMX_PCIE_FLAG_HAS_PHY_RESET BIT(5)
#define IMX_PCIE_FLAG_HAS_SERDES BIT(6)
#define IMX_PCIE_FLAG_SUPPORT_64BIT BIT(7)
-#define IMX_PCIE_FLAG_CPU_ADDR_FIXUP BIT(8)

#define imx_check_flag(pci, val) (pci->drvdata->flags & val)

@@ -1012,22 +1011,6 @@ static void imx_pcie_host_exit(struct dw_pcie_rp *pp)
regulator_disable(imx_pcie->vpcie);
}

-static u64 imx_pcie_cpu_addr_fixup(struct dw_pcie *pcie, u64 cpu_addr)
-{
- struct imx_pcie *imx_pcie = to_imx_pcie(pcie);
- struct dw_pcie_rp *pp = &pcie->pp;
- struct resource_entry *entry;
-
- if (!(imx_pcie->drvdata->flags & IMX_PCIE_FLAG_CPU_ADDR_FIXUP))
- return cpu_addr;
-
- entry = resource_list_first_type(&pp->bridge->windows, IORESOURCE_MEM);
- if (!entry)
- return cpu_addr;
-
- return cpu_addr - entry->offset;
-}
-
static const struct dw_pcie_host_ops imx_pcie_host_ops = {
.init = imx_pcie_host_init,
.deinit = imx_pcie_host_exit,
@@ -1036,7 +1019,6 @@ static const struct dw_pcie_host_ops imx_pcie_host_ops = {
static const struct dw_pcie_ops dw_pcie_ops = {
.start_link = imx_pcie_start_link,
.stop_link = imx_pcie_stop_link,
- .cpu_addr_fixup = imx_pcie_cpu_addr_fixup,
};

static void imx_pcie_ep_init(struct dw_pcie_ep *ep)
@@ -1446,6 +1428,7 @@ static int imx_pcie_probe(struct platform_device *pdev)
if (ret)
return ret;

+ pci->using_dtbus_info = true;
if (imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE) {
ret = imx_add_pcie_ep(imx_pcie, pdev);
if (ret < 0)
@@ -1585,8 +1568,7 @@ static const struct imx_pcie_drvdata drvdata[] = {
},
[IMX8Q] = {
.variant = IMX8Q,
- .flags = IMX_PCIE_FLAG_HAS_PHYDRV |
- IMX_PCIE_FLAG_CPU_ADDR_FIXUP,
+ .flags = IMX_PCIE_FLAG_HAS_PHYDRV,
.clk_names = imx8q_clks,
.clks_cnt = ARRAY_SIZE(imx8q_clks),
},

--
2.34.1