From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v2] ixgbe: fix occasional timeouts when
	starting VF
Date: Tue, 05 Apr 2016 17:47:57 +0200
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To: Bernard Iremonger <bernard.iremonger@intel.com>
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2016-04-05 15:55, Bernard Iremonger:
> -		poll_ms = 10;
> +		poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_15_MS;
[...]
>  #define RTE_IXGBE_REGISTER_POLL_WAIT_10_MS  10
> +#define RTE_IXGBE_REGISTER_POLL_WAIT_15_MS  15
>  #define RTE_IXGBE_WAIT_100_US               100

I don't understand why these constants are needed.
There is no semantic, just an arbitrary number.