From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Hurley Subject: Re: [PATCH v2] serial: 8250_uniphier: add earlycon support Date: Fri, 30 Oct 2015 09:30:21 -0400 Message-ID: <563370ED.7040105@hurleysoftware.com> References: <1446173176-6966-1-git-send-email-yamada.masahiro@socionext.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1446173176-6966-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org To: Masahiro Yamada Cc: linux-serial@vger.kernel.org, Jiri Slaby , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , linux-arm-kernel@lists.infradead.org List-Id: linux-serial@vger.kernel.org On 10/29/2015 10:46 PM, Masahiro Yamada wrote: > This reuses the code of drivers/tty/serial/8250/8250_early.c except > > - Overwrite device->port.iotype and device->port.regshift for > UPIO_MEM32 because of_setup_earlycon() has set them for UPIO_MEM. > > - Set device->baud to zero to prevent early8250_setup() from > initializing the divisor register because port->uartclk does not > match the frequency expected by this hardware. Reviewed-by: Peter Hurley