From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Sun, 25 Dec 2016 22:20:38 +0100 Subject: [PATCH 1/4] serial: core: Add LED trigger support In-Reply-To: <20161124081748.fx3xm5ww64ngn5it@pengutronix.de> References: <20161123100106.15969-1-s.hauer@pengutronix.de> <20161123100106.15969-2-s.hauer@pengutronix.de> <20161124081748.fx3xm5ww64ngn5it@pengutronix.de> Message-ID: <20161225212038.GD26891@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! > > Could we somehow remedy the lack of knowledge from the core as whether > > the HW sends/receives characters first before adding support for LED > > triggers? It would be more generic and future proof to require UART > > drivers to report to the core when they actually TX/RX, and then at the > > core level, utilize that knowledge to perform the LED trigger. > > Maybe we could introduce a function to read from the TX FIFO. Having > open coded this in each and every driver is not nice anyway. Yes, please. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: