netdev - Re: [PATCH v2] icplus: mdio_write(), remove unnecessary for loop

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Date:	Thu, 1 Dec 2011 19:53:29 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	Patrick Kelle <patrick.kelle81@...il.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, sorbica@...lus.com.tw
Subject: Re: [PATCH v2] icplus: mdio_write(), remove unnecessary for loop

Patrick Kelle <patrick.kelle81@...il.com> :
[...]
> As suggested by David Miller:
> "You can simply this even further since p[7] is what is used here,
> and this means len is one, the inner loop therefore executes only
> once, and the p[7].field value is not used (it's zero in the table)
> and the write to it is completely thrown away."

Acked-by: Francois Romieu <romieu@...zoreil.com>

However you can:
- shorten p[] as p[7] is never used
- use read_phy_bit() to avoid the last three lines
- ARRAY_SIZE(p) the first loop (so the first limit - 7 - appears)

-- 
Ueimor
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