From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Mon, 8 Sep 2014 10:55:10 -0700 Subject: [PATCH v8 00/18] 8250-core based serial driver for OMAP + DMA In-Reply-To: <20140908174020.GI3238@atomide.com> References: <1409943773-7874-1-git-send-email-bigeasy@linutronix.de> <20140908174020.GI3238@atomide.com> Message-ID: <20140908175510.GK3238@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Tony Lindgren [140908 10:41]: > * Sebastian Andrzej Siewior [140905 12:03]: > > This is my complete queue fo the omap serial driver based on the 8250 core > > code. I played with it on beagle bone, am335x-evm and dra7xx including DMA. > > The runtime-pm pieces look now bug-compatible with the omap-serial driver. > > Besides the runtime-om improvement I also fixed a few corner cases for the > > TX-DMA problem. The DMA fixes (in edma and omap-dma) were dropped and the > > problem has been in 8250-dma via patch #13. > > > > The whole queue is available at > > git://git.breakpoint.cc/bigeasy/linux.git uart_v8 > > Gave the above branch a quick try, but it again does not idle for > my omap3 test cases. It seems that now the cm_idlest1_core sdma > bit is blocking deeper idle states. Is that the correct branch > to use? Never mind. User error. I forgot to apply my own patch for force idling the UARTs for the omap hwmod. And the sdma bit clears if I do sleep 5 before attempting to read the sysfs entry.. Regards, Tony