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Date: Sun, 16 Aug 2020 22:17:48 -0500 From: Rob Landley <rob@...dley.net> To: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>, Geert Uytterhoeven <geert@...ux-m68k.org>, "Lad, Prabhakar" <prabhakar.csengg@...il.com> Cc: Kazuhiro Fujita <kazuhiro.fujita.jg@...esas.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jslaby@...e.com>, "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>, Linux-Renesas <linux-renesas-soc@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Hao Bui <hao.bui.yg@...esas.com>, KAZUMI HARADA <kazumi.harada.rh@...esas.com>, Sasha Levin <sashal@...nel.org>, Chris Brandt <Chris.Brandt@...esas.com>, Magnus Damm <magnus.damm@...il.com>, Linux-sh list <linux-sh@...r.kernel.org>, John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de> Subject: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence On 8/16/20 11:22 AM, Prabhakar Mahadev Lad wrote: >> FTR, I gave it a try on the SH7751R-based I-O DATA USL-5P aka Landisk: >> SCIF is affected, and fixed by commit 3dc4db3662366306 ("serial: sh-sci: >> Make sure status register SCxSR is read in correct sequence"). >> > Thank you Geert. > > Cheers, > Prabhakar Did we ever figure out how to get linux to talk to the _first_ serial port on the qemu-system-sh4 r2d board? I'm still doing: qemu-system-sh4 -M r2d -serial null -serial mon:stdio Because I can only get a working console on the _second_ serial port. (SCI vs SCIF I think?) Rob
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