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From: "Shimoda, Yoshihiro" <yoshihiro.shimoda.uh@renesas.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH v2] serial: sh-sci: modify sci_break_ctl()
Date: Fri, 06 Apr 2012 05:39:00 +0000	[thread overview]
Message-ID: <4F7E8174.7030604@renesas.com> (raw)
In-Reply-To: <4F7E3FE2.4050902@renesas.com>

2012/04/06 14:11, Simon Horman wrote:
> On Fri, Apr 06, 2012 at 12:50:00PM +0900, Shimoda, Yoshihiro wrote:
>>
>> If userland calls ioctl with TIOCSBRK/TIOCCBRK, the sci_break_ctl
>> is called. After TIOCSBRK we cannot send data from SCIF.
>> After TIOCCBRK, we can send data from SCIF.
> 
> Thanks, that make a lot of sense.
> 
> Unfortunately the ecovec doesn't exercise the new code
> as the regtype of its scif is SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE
> but your code only operates on SCIx_SH4_SCIF_REGTYPE.

Sorry I forgot that the SH7724 has SCIF and SCIFA.
The ecovec uses SCIF, and it doesn't have SCSPTR.
I checked the ecovec schematics, but it cannot use SCIFA because
other functions use the multiplex pins.

Best regards,
Yoshihiro Shimoda

  parent reply	other threads:[~2012-04-06  5:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-06  0:59 [PATCH v2] serial: sh-sci: modify sci_break_ctl() Shimoda, Yoshihiro
2012-04-06  1:57 ` Simon Horman
2012-04-06  2:13 ` Shimoda, Yoshihiro
2012-04-06  2:44 ` Simon Horman
2012-04-06  3:50 ` Shimoda, Yoshihiro
2012-04-06  5:11 ` Simon Horman
2012-04-06  5:39 ` Shimoda, Yoshihiro [this message]
2012-04-06 11:13 ` Simon Horman
2012-04-09  7:59 ` Paul Mundt
2012-04-11  4:28 ` Paul Mundt
2012-04-11  9:36 ` Shimoda, Yoshihiro

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