add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/infiniband/hw/mthca/mthca_cmd.c
..
..
@@ -292,12 +292,6 @@
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 		err = mthca_cmd_post_hcr(dev, in_param, out_param, in_modifier,
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 					 op_modifier, op, token, event);
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-	/*
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-	 * Make sure that our HCR writes don't get mixed in with
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-	 * writes from another CPU starting a FW command.
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-	 */
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-	mmiowb();
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-
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 	mutex_unlock(&dev->cmd.hcr_mutex);
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 	return err;
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 }