From: Peng Fan peng.fan@nxp.com
Need to drop phy-reset-gpios before booting linux, this property is legacy property and replaced with reset-gpios.
If provide both, kernel would failed to request the same gpio twice and cause fec not work.
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/imx8m/soc.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 6802b6e478..f1b998c5c5 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -1149,28 +1149,30 @@ static int disable_cpu_nodes(void *blob, u32 disabled_cores) #if defined(CONFIG_IMX8MM) static int cleanup_nodes_for_efi(void *blob) { - static const char * const usbotg_path[] = { - "/soc@0/bus@32c00000/usb@32e40000", - "/soc@0/bus@32c00000/usb@32e50000" - }; + static const char * const path[][2] = { + { "/soc@0/bus@32c00000/usb@32e40000", "extcon" }, + { "/soc@0/bus@32c00000/usb@32e50000", "extcon" }, + { "/soc@0/bus@30800000/ethernet@30be0000", "phy-reset-gpios" }, + { "/soc@0/bus@30800000/ethernet@30bf0000", "phy-reset-gpios" } + }; int nodeoff, i, rc;
- for (i = 0; i < ARRAY_SIZE(usbotg_path); i++) { - nodeoff = fdt_path_offset(blob, usbotg_path[i]); + for (i = 0; i < ARRAY_SIZE(path); i++) { + nodeoff = fdt_path_offset(blob, path[i][0]); if (nodeoff < 0) continue; /* Not found, skip it */ - debug("Found %s node\n", usbotg_path[i]); + debug("Found %s node\n", path[i][0]);
- rc = fdt_delprop(blob, nodeoff, "extcon"); + rc = fdt_delprop(blob, nodeoff, path[i][1]); if (rc == -FDT_ERR_NOTFOUND) continue; if (rc) { printf("Unable to update property %s:%s, err=%s\n", - usbotg_path[i], "extcon", fdt_strerror(rc)); + path[i][0], path[i][1], fdt_strerror(rc)); return rc; }
- printf("Remove %s:%s\n", usbotg_path[i], "extcon"); + printf("Remove %s:%s\n", path[i][0], path[i][1]); }
return 0; @@ -1271,8 +1273,6 @@ usb_modify_speed: else if (is_imx8mms() || is_imx8mmsl()) disable_cpu_nodes(blob, 3);
- cleanup_nodes_for_efi(blob); - #elif defined(CONFIG_IMX8MN) if (is_imx8mnl() || is_imx8mndl() || is_imx8mnsl()) disable_gpu_nodes(blob); @@ -1320,6 +1320,7 @@ usb_modify_speed: disable_cpu_nodes(blob, 2); #endif
+ cleanup_nodes_for_efi(blob); return 0; } #endif