From mboxrd@z Thu Jan 1 00:00:00 1970 From: bigeasy@linutronix.de (Sebastian Andrzej Siewior) Date: Mon, 15 Sep 2014 13:50:56 +0200 Subject: [PATCH 00/16 v9] omap 8250 based uart + DMA In-Reply-To: <20140912224324.GK18849@atomide.com> References: <1410377411-26656-1-git-send-email-bigeasy@linutronix.de> <20140912224324.GK18849@atomide.com> Message-ID: <5416D2A0.5020407@linutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 09/13/2014 12:43 AM, Tony Lindgren wrote: > * Sebastian Andrzej Siewior [140910 12:30]: >> the diff of v8?v9 is small: >> - rebased on top's of Greg's tty-next branch >> - fixed #10 where we might have THRE interrupt enabled for longer than >> needed >> - re-did register setup in #10. Before this "less file" could freeze the >> am335x-evm. > > FYI, looks like merging in your uart_v9 branch for testing > with my hwmod changes now fails to produce RX characters on omap3. > > The device wakes up just fine to the wake-up interrupt, and then > serial8250_handle_irq() gets called, but I'm not seeing anything > in the console getting printed out. It's like all the RX characters > are getting lost instead of just the first one. The RX characters > work fine when the system is running. > > So it seems there's been some kind of regression since v8? I changed the restore function the fix the am335x-evm + less "freeze". And now we have this. So let me search? > Regards, > > Tony > Sebastian