From: shreshthakumar.sahu@stericsson.com (Shreshtha Kumar SAHU)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] amba pl011: platform data for reg lockup and glitch
Date: Fri, 10 Jun 2011 14:37:06 +0530 [thread overview]
Message-ID: <20110610090704.GA476@bnru02.bnr.st.com> (raw)
In-Reply-To: <20110609210218.GH24424@n2100.arm.linux.org.uk>
On Thu, Jun 09, 2011 at 23:02:18 +0200, Russell King - ARM Linux wrote:
> On Thu, Jun 09, 2011 at 10:56:48PM +0200, Linus Walleij wrote:
> > + /* uart-0 pins gpio configuration should be
> > + * kept intact to prevent glitch in tx line
> > + * when tty dev is opened. Later these pins
> > + * are configured to uart mop500_pins_uart0
> > + *
> > + * It will be replaced with uart configuration
> > + * once the issue is solved.
> > + */
> > + GPIO0_GPIO | PIN_INPUT_PULLUP,
> > + GPIO1_GPIO | PIN_OUTPUT_HIGH,
> > + GPIO2_GPIO | PIN_INPUT_PULLUP,
> > + GPIO3_GPIO | PIN_OUTPUT_LOW,
>
> Why do you want the TXD line (GPIO3) to be indicating a break condition?
Yes it should be PIN_OUTPUT_HIGH, as it is configured in mop500_pins_uart0.
Thanks,
Shreshtha
prev parent reply other threads:[~2011-06-10 9:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 20:56 [PATCH 2/2] amba pl011: platform data for reg lockup and glitch Linus Walleij
2011-06-09 21:02 ` Russell King - ARM Linux
2011-06-10 9:07 ` Shreshtha Kumar SAHU [this message]
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