Thanks and Best Regards Jerry Huang >-----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
