linux-kernel - Re: [PATCH] serial: cpm_uart: implement the cpm_uart_early

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Date:	Thu, 17 Jun 2010 19:37:58 -0700
From:	Greg KH <gregkh@...e.de>
To:	DDD <dongdong.deng@...driver.com>
Cc:	Greg KH <greg@...ah.com>, jason.wessel@...driver.com,
	galak@...nel.crashing.org, bruce.ashfield@...driver.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] serial: cpm_uart: implement the cpm_uart_early_write()
 function for console poll

On Fri, Jun 18, 2010 at 10:10:48AM +0800, DDD wrote:
> Greg KH wrote:
> >On Thu, Jun 17, 2010 at 11:13:40AM +0800, Dongdong Deng wrote:
> >>The cpm_uart_early_write() function which was used for console poll
> >>isn't implemented in the cpm uart driver.
> >>
> >>Implementing this function both fixes the build and allows
> >>kgdboc to work via the cpm uart.
> >
> >So this is needed for the .35 release, right?  Any older kernel releases
> >as well?
> 
> Yes, it is needed for the .35 release.
> 
> The cpm_uart_early_write() of cpm_uart was introduced at 2.6.27,
> so this patch is needed from 2.6.27.

So no one has noticed that the driver doesn't build at all since the .27
kernel release?  Over 2 years?  I hardly think that it's a rush to fix
it over the next few weeks then :)

I'll go queue it up.

thanks,

greg k-h
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