linux-kernel - Re: [PATCH] openrisc: include: asm: define empty SERIAL_PORT

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Message-ID: <5271FFA5.1080909@asianux.com>
Date:	Thu, 31 Oct 2013 14:58:45 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Jonas Bonn <jonas@...thpole.se>
CC:	linux@...ts.openrisc.net,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] openrisc: include: asm: define empty SERIAL_PORT_DFNS
 in serial.h

On 10/31/2013 09:54 AM, Chen Gang wrote:
> For some architectures (e.g. openrisc, arc), BASE_BAUD isn't constant
> And SERIAL_PORT_DFNS always use BASE_BAUND, and also all drivers use
> SERIAL_PORT_DFNS to initialize static variables, statically.
> 
> So need define SERIAL_PORT_DFNS as empty to tell drivers they don't
> support SERIAL_PORT_DFNS (mostly like frv and parisc did).
> 
> 
> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> ---
>  arch/openrisc/include/asm/serial.h |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/openrisc/include/asm/serial.h b/arch/openrisc/include/asm/serial.h
> index 270a452..254d1ad 100644
> --- a/arch/openrisc/include/asm/serial.h
> +++ b/arch/openrisc/include/asm/serial.h
> @@ -31,6 +31,8 @@
>  
>  #define BASE_BAUD (cpuinfo.clock_frequency/16)
>  
> +#define SERIAL_PORT_DFNS
> +
>  #endif /* __KERNEL__ */
>  
>  #endif /* __ASM_OPENRISC_SERIAL_H */
> 

Oh, sorry, this patch is incorrect, need fix within the driver.

Thanks.
-- 
Chen Gang
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