From: Reinhard Meyer <u-boot@emk-elektronik.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V3] AT91: Small fix on AT91 USART initialization code
Date: Tue, 02 Aug 2011 12:29:14 +0000 [thread overview]
Message-ID: <1312288154.31913.60.camel@ubuntu> (raw)
In-Reply-To: <1312283104-15060-1-git-send-email-hong.xu@atmel.com>
Dear Hong Xu,
> Before reset dbgu transmitter, we just wait TXEMPTY to drain the
> transmitter register(Just in case). If not doing this, we may sometimes
> see several weird characters from DBGU.
>
> A short delay is also added to make sure the new serial settings are
> settled.
>
> Signed-off-by: Hong Xu <hong.xu@atmel.com>
> ---
> Changes since V2,
> Using __udelay to avoid potential endless loop
>
> drivers/serial/atmel_usart.c | 11 ++++++++++-
> 1 files changed, 10 insertions(+), 1 deletions(-)
Applied to u-boot-atmel/next.
Thanks,
Reinhard
prev parent reply other threads:[~2011-08-02 12:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-02 11:05 [U-Boot] [PATCH V3] AT91: Small fix on AT91 USART initialization code Hong Xu
2011-08-02 12:29 ` Reinhard Meyer [this message]
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