WARNING: line length of 83 exceeds 80 columns
#135: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:76:
+	reg = (priv->macid == 0) ? NVT_REG_SYS_GMAC0MISCR : NVT_REG_SYS_GMAC1MISCR;

WARNING: line length of 88 exceeds 80 columns
#137: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:78:
+			   NVT_RX_DELAY_MASK | NVT_TX_DELAY_MASK | NVT_MISCR_RMII, val);

WARNING: line length of 85 exceeds 80 columns
#152: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:93:
+		return dev_err_probe(dev, ret, "Failed to get platform resources\n");

WARNING: line length of 94 exceeds 80 columns
#156: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:97:
+		return dev_err_probe(dev, PTR_ERR(plat_dat), "Failed to get platform data\n");

WARNING: line length of 88 exceeds 80 columns
#160: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:101:
+		return dev_err_probe(dev, -ENOMEM, "Failed to allocate private data\n");

WARNING: line length of 88 exceeds 80 columns
#162: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:103:
+	priv->regmap = syscon_regmap_lookup_by_phandle_args(dev->of_node, "nuvoton,sys",

WARNING: line length of 96 exceeds 80 columns
#165: FILE: drivers/net/ethernet/stmicro/stmmac/dwmac-nuvoton.c:106:
+		ret = dev_err_probe(dev, PTR_ERR(priv->regmap), "Failed to get sys register\n");

total: 0 errors, 7 warnings, 0 checks, 161 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 0943a51df191 ("net: stmmac: dwmac-nuvoton: Add dwmac glue for Nuvoton MA35 family") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 7 warnings, 0 checks, 161 lines checked