kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/net/ethernet/intel/e1000e/80003es2lan.c
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@@ -680,7 +680,7 @@
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 	ew32(TCTL, E1000_TCTL_PSP);
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 	e1e_flush();
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-	usleep_range(10000, 20000);
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+	usleep_range(10000, 11000);
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 	ctrl = er32(CTRL);
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..
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@@ -696,11 +696,16 @@
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 	ret_val =
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 	    e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
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 					    &kum_reg_data);
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-	if (ret_val)
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-		return ret_val;
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-	kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE;
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-	e1000_write_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
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-					 kum_reg_data);
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+	if (!ret_val) {
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+		kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE;
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+		ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
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+						 E1000_KMRNCTRLSTA_INBAND_PARAM,
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+						 kum_reg_data);
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+		if (ret_val)
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+			e_dbg("Error disabling far-end loopback\n");
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+	} else {
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+		e_dbg("Error disabling far-end loopback\n");
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+	}
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 	ret_val = e1000e_get_auto_rd_done(hw);
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 	if (ret_val)
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@@ -754,11 +759,19 @@
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 		return ret_val;
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 	/* Disable IBIST slave mode (far-end loopback) */
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-	e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
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-					&kum_reg_data);
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-	kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE;
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-	e1000_write_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
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-					 kum_reg_data);
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+	ret_val =
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+	    e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
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+					    &kum_reg_data);
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+	if (!ret_val) {
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+		kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE;
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+		ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
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+						 E1000_KMRNCTRLSTA_INBAND_PARAM,
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+						 kum_reg_data);
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+		if (ret_val)
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+			e_dbg("Error disabling far-end loopback\n");
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+	} else {
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+		e_dbg("Error disabling far-end loopback\n");
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+	}
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 	/* Set the transmit descriptor write-back policy */
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 	reg_data = er32(TXDCTL(0));
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@@ -1059,7 +1072,6 @@
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 /**
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  *  e1000_cfg_on_link_up_80003es2lan - es2 link configuration after link-up
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  *  @hw: pointer to the HW structure
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- *  @duplex: current duplex setting
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  *
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  *  Configure the KMRN interface by applying last minute quirks for
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  *  10/100 operation.