From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Thu, 9 Jun 2011 22:02:18 +0100 Subject: [PATCH 2/2] amba pl011: platform data for reg lockup and glitch In-Reply-To: <1307653008-3398-1-git-send-email-linus.walleij@stericsson.com> References: <1307653008-3398-1-git-send-email-linus.walleij@stericsson.com> Message-ID: <20110609210218.GH24424@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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?