linux-kernel - Re: [PATCH linux-next] MIPS: ioctls: Add missing TIOC{S,G}RS485 definitions

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Date:	Wed, 10 Sep 2014 09:45:36 +0100
From:	Markos Chandras <Markos.Chandras@...tec.com>
To:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
CC:	Greg KH <greg@...ah.com>, <linux-mips@...ux-mips.org>,
	<linux-next@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
	<linux-serial@...r.kernel.org>
Subject: Re: [PATCH linux-next] MIPS: ioctls: Add missing TIOC{S,G}RS485 definitions

On 09/10/2014 09:39 AM, Ricardo Ribalda Delgado wrote:
> Hello Greg
> 
> Sorry, Probably my bad :). I did resend a new patch using the _IO*
> macros, that has been now merged to tty-next
> 
> Regards!
> 
> On Wed, Sep 10, 2014 at 10:25 AM, Markos Chandras
> <Markos.Chandras@...tec.com> wrote:
>> On 09/09/2014 08:17 PM, Greg KH wrote:
>>> On Tue, Sep 09, 2014 at 12:52:55PM +0100, Markos Chandras wrote:
>>>> Commit e676253b19b2d269cccf67fdb1592120a0cd0676
>>>> (serial/8250: Add support for RS485 IOCTLs) added cases for the
>>>> TIOC{S,G}RS485 commands but this broke the build for MIPS:
>>>>
>>>> drivers/tty/serial/8250/8250_core.c: In function 'serial8250_ioctl':
>>>> drivers/tty/serial/8250/8250_core.c:2874:7: error: 'TIOCSRS485' undeclared
>>>> (first use in this function)
>>>> drivers/tty/serial/8250/8250_core.c:2886:7: error: 'TIOCGRS485' undeclared
>>>> (first use in this function)
>>>>
>>>> This patch adds these missing definitions
>>>>
>>>> Cc: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
>>>> Cc: <linux-next@...r.kernel.org>
>>>> Cc: <linux-kernel@...r.kernel.org>
>>>> Cc: <linux-serial@...r.kernel.org>
>>>> Signed-off-by: Markos Chandras <markos.chandras@...tec.com>
>>>> ---
>>>>  arch/mips/include/uapi/asm/ioctls.h | 2 ++
>>>>  1 file changed, 2 insertions(+)
>>>>
>>>> diff --git a/arch/mips/include/uapi/asm/ioctls.h b/arch/mips/include/uapi/asm/ioctls.h
>>>> index b1e637757fe3..34050cb6b631 100644
>>>> --- a/arch/mips/include/uapi/asm/ioctls.h
>>>> +++ b/arch/mips/include/uapi/asm/ioctls.h
>>>> @@ -76,6 +76,8 @@
>>>>
>>>>  #define TIOCSBRK    0x5427  /* BSD compatibility */
>>>>  #define TIOCCBRK    0x5428  /* BSD compatibility */
>>>> +#define TIOCGRS485  0x542E
>>>> +#define TIOCSRS485  0x542F
>>>
>>> Any reason you aren't using the _IOR() type macros here?
>>>
>>> thanks,
>>>
>>> greg k-h
>>>
>> Hi Greg,
>>
>> Not really. I am being consistent with what
>> include/uapi/asm-generic/ioctls.h is using, and with the xtensa patch
>> that was posted yesterday
>>
>> https://lkml.org/lkml/2014/9/9/27
>>
>> --
>> markos
> 
> 
> 
Hi Ricardo,

Since you are taking care of the same problem on the other
architectures, could you also make a similar patch for MIPS so they can
all get merged via the same tree? Because, right now, MIPS is still broken.

-- 
markos
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