Hi, On Tue, Dec 20, 2011 at 10:23:32PM +0100, Ilya Yanok wrote:
> Add support for asserting RTS line while TX is in progress. OMAP > hardware doesn't support auto-RS485 mode so we control the line from > software. We use TX_EMPTY_CTL_IT bit in SCR register to generate TX > empty interrupt. Sorry to bring bad news, but software RS485 is not mainlinable [1]. You can browse linux-serial for RS485 to find more threads about it. Regards, Wolfram [1] http://article.gmane.org/gmane.linux.serial/3619/ -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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