> -----Original Message----- > From: Mark Lord [mailto:kernel@xxxxxxxxxxxx] > Sent: Wednesday, November 16, 2011 12:04 AM > To: Tejun Heo > Cc: Huang Changming-R66093; linux-ide@xxxxxxxxxxxxxxx > Subject: Re: [PATCH] libata-pmp: add schedule timeout to support some > PMP cards > > On 11-11-15 10:24 AM, Mark Lord wrote: > > On 11-11-15 09:51 AM, Tejun Heo wrote: > >> Hello, > >> > >> On Tue, Nov 15, 2011 at 08:43:02AM +0000, Huang Changming-R66093 > wrote: > >>> The PMP card we are talking about is JMB393: > >>> Port Multiplier 1.2, 0x197b:0x0325 r0, 15 ports, feat 0x5/0xf. > >>> > >>> This issue is observed on Freescale's Sata controller, including > p1020e and mpc837xe. > >> > >> Can you please try different combinations? ie. freescale sata + > >> other PMP and jmb393 + other sata controllers. We need to know more > >> before adding workarounds to upstream. Also, would you mind if I cc > >> jmicron ppl? > > > > > > I'm late tuning in here, but I have a JMB393 doorstop here and would > > love to have it actually work with Linux. > > It fails with all of my sata_sil, sata_sil24 and AHCI (including JMB) > controllers. > > > > What's the patch that I need to test ? > > Found it, tried it, still have a Linux doorstop. > Works fine under that other O/S though. > That’s a bad news. I think we need one workaround to fix it. I tested the other two PMP cards, they work well on Freescale's board: Port Multiplier 1.1, 0x1095:0x4726 r31, 7 ports, feat 0x1/0x9 (Silicon Image) Port Multiplier 1.2, 0x197b:0x0321 r0, 5 ports, feat 0x5/0xf (JMB391) ��.n��������+%������w��{.n�����{��'^�)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
