> > Sun, 20 Apr 2014 00:48:28 +0000 от Peter Chen <Peter.Chen@xxxxxxxxxxxxx>: > > > -----Original Message----- > > > From: Fabio Estevam [mailto:festevam@xxxxxxxxx] > > > Sent: Sunday, April 20, 2014 1:10 AM > > > To: Chen Peter-B29397 > > > Cc: Michael Grzeschik; Alexander Shiyan; linux-arm- > > > kernel@xxxxxxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; Sascha Hauer; > > > chris.ruehl@xxxxxxxxxxxx; Guo Shawn-R65073 > > > Subject: Re: USB OTG support on mx27pdk > > > > > > On Sat, Apr 19, 2014 at 4:32 AM, Peter Chen <Peter.Chen@xxxxxxxxxxxxx> > > > wrote: > > > > The below patch is intended to fix above issues for all platforms, > > > > I have tested it at imx6 platform, if possible, have a test at > > > imx25/imx27 > > > > please. > > > > > > I don't see any patch below, but anyway I have managed to fix the > > > issue on mx27 at dts level. > > > > > > > https://github.com/hzpeterchen/linux- > usb/commit/c1f42ea27ed3f5d988c63da7849d2e6b445b4fbc > > > > Your problem is different with sasche's, which hang the system due to > > no phy clk. The chris's patch should not cause the oops. > > For me, nothing has changed. > The driver works on i.MX27 PCM970 RDK with the patch as well as without > it. > Thanks for testing. This patch does not change the flow for ulpi, it changes pts at portsc first, and call ulpi_init if it exists, your results prove that the patch works ok if the kernel does not touch ulpi. Peter ��.n��������+%������w��{.n�����{���)��jg��������ݢj����G�������j:+v���w�m������w�������h�����٥