From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shuyu Wei Subject: Re: [PATCH][RFC] 8250_dw: unregister dw8250_set_termios for rk3188 chip Date: Wed, 22 Nov 2017 01:17:13 +0800 Message-ID: <20171121171712.GA4462@home.dogben.com> References: <20171120144045.juwm64m2j736h5ps@home.dogben.com> <20171120161455.orvooleyzfsslon3@home.dogben.com> <0a4ce349-d386-0f1b-e973-e77af7f75d23@sondrel.com> <1854299.UNFOX8ncyA@diego> <20171121030949.a6bsapueiicdbonj@home.dogben.com> <4010bd84-7c88-5410-820f-bd3d04f1fbb5@sondrel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4010bd84-7c88-5410-820f-bd3d04f1fbb5-56FIPCJpnYtBDgjK7y7TUQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Ed Blake Cc: wangkefeng.wang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, heikki.krogerus-VuQAYsv1563Yd54FQh9/CA@public.gmane.org, Heiko =?iso-8859-1?Q?St=FCbner?= , gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-serial@vger.kernel.org On Tue, Nov 21, 2017 at 10:23:17AM +0000, Ed Blake wrote: > Is this on 4.14 or next? > Can you try applying this patch series and see if it fixes the problem? > https://www.spinics.net/lists/linux-serial/msg27672.html I'm working on the mainline, which already has this patch applied, so it doesn't fix the problem. The breaking commit I mentioned is a merge on mainline, the underlying commit is 6a171b on 2017-01-19. > What baud rate is being set, and what rate does clk_round_rate() return > in dw8250_set_termios()? I'm using baud 115200, clk_round_rate() returns 1843200.