linux-kernel - Re: [PATCH] Topcliff PHUB: Generate PacketHub driver

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Message-ID: <20100608090409.6fe6e410@lxorguk.ukuu.org.uk>
Date:	Tue, 8 Jun 2010 09:04:09 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Masayuki Ohtak <masa-korg@....okisemi.com>
Cc:	"LKML" <linux-kernel@...r.kernel.org>,
	"Andrew" <andrew.chih.howe.khor@...el.com>,
	"Intel OTC" <joel.clark@...el.com>, "Wang, Qi" <qi.wang@...el.com>,
	"Wang, Yong Y" <yong.y.wang@...el.com>
Subject: Re: [PATCH] Topcliff PHUB: Generate PacketHub driver

> > This makes it hard to build one kernel for everything
> We couldn't understand your intention.
> Does the above mean we must not use "#ifdef PCH_CAN_PCLK_50MHZ"	in source code ?

The problem for people building kernels is this

- They want to have a single kernel for all the boxes of a single
  architecture
- They cannot do this if there are compile time settings that only work
  on some boards


Ideally this should be done automatically. If not then can it be a module
parameter instead ?

Alan
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