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

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Date:	Fri, 18 Jun 2010 16:08:32 +0800
From:	"Wang, Yong Y" <yong.y.wang@...el.com>
To:	Masayuki Ohtak <masa-korg@....okisemi.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	"Khor, Andrew Chih Howe" <andrew.chih.howe.khor@...el.com>,
	"Clark, Joel" <joel.clark@...el.com>,
	"Wang, Qi" <qi.wang@...el.com>
Subject: RE: [PATCH] Topcliff PHUB: Generate PacketHub driver

> +config PCH_IEEE1588
> +	tristate "PCH IEEE1588"
> +	depends on PCI
> +	help
> +	  If you say yes to this option, support will be included for the
> +	  PCH IEEE1588 Host controller.
> +

Is this really supposed to be part of this patch?

> +config PCH_PHUB
> +	tristate "PCH PHUB"
> +	depends on PCI
> +	help
> +	  If you say yes to this option, support will be included for the
> +	  PCH Packet Hub Host controller.
> +	  This driver is for PCH Packet hub driver for Topcliff.
> +	  This driver is integrated as built-in.
> +	  This driver can access GbE MAC address.
> +	  This driver can access HW register.
> +	  You can also be integrated as module.
> +
> +config PCH_CAN_PCLK_50MHZ
> +	bool "CAN PCLK 50MHz"
> +	depends on PCH_PHUB
> +        help
> +          If you say yes to this option, clock is set to 50MHz.(For CAN
> control)
> +

Ohtak-san, I remember you said PCH_CAN_PCLK_50MHZ was in the patch
because you used to have a hw bug. If that hw bug has been fixed, this config
option shall also be removed. Otherwise, you have to build multiple kernel
binaries for different hardware configurations as Alan pointed out.

> diff --git a/drivers/char/Makefile b/drivers/char/Makefile
> index f957edf..dc092d0 100644
> --- a/drivers/char/Makefile
> +++ b/drivers/char/Makefile
> @@ -111,6 +111,10 @@ obj-$(CONFIG_PS3_FLASH)		+= ps3flash.o
>  obj-$(CONFIG_JS_RTC)		+= js-rtc.o
>  js-rtc-y = rtc.o
> 
> +obj-$(CONFIG_PCH_IEEE1588)		+= pch_ieee1588/
> +

Ditto

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