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-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c
index 24ce17ea35c4..44d4ceb8415f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c
@@ -7,11 +7,16 @@
#include <linux/clk.h>
#include <linux/module.h>
+#include <linux/property.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include "stmmac_platform.h"
+struct sophgo_dwmac_data {
+ bool has_internal_rx_delay;
+};
+
static int sophgo_sg2044_dwmac_init(struct platform_device *pdev,
struct plat_stmmacenet_data *plat_dat,
struct stmmac_resources *stmmac_res)
@@ -31,6 +36,7 @@ static int sophgo_sg2044_dwmac_init(struct platform_device *pdev,
static int sophgo_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
+ const struct sophgo_dwmac_data *data;
struct stmmac_resources stmmac_res;
struct device *dev = &pdev->dev;
int ret;
@@ -49,11 +55,23 @@ static int sophgo_dwmac_probe(struct platform_device *pdev)
if (ret)
return ret;
+ data = device_get_match_data(&pdev->dev);
+ if (data && data->has_internal_rx_delay) {
+ plat_dat->phy_interface = phy_fix_phy_mode_for_mac_delays(plat_dat->phy_interface,
+ false, true);
+ if (plat_dat->phy_interface == PHY_INTERFACE_MODE_NA)
+ return -EINVAL;
+ }
+
return stmmac_dvr_probe(dev, plat_dat, &stmmac_res);
}
+static const struct sophgo_dwmac_data sg2042_dwmac_data = {
+ .has_internal_rx_delay = true,
+};
+
static const struct of_device_id sophgo_dwmac_match[] = {
- { .compatible = "sophgo,sg2042-dwmac" },
+ { .compatible = "sophgo,sg2042-dwmac", .data = &sg2042_dwmac_data },
{ .compatible = "sophgo,sg2044-dwmac" },
{ /* sentinel */ }
};