Alexander Beregalov writes: > >> From: Alexander Beregalov <a.beregalov@xxxxxxxxx> > >> Date: Tue, 14 Apr 2009 23:55:52 +0400 > >> Subject: [PATCH v2] sata_sx4: speed up ECC initialization > >> > >> ECC initialization takes too long. It writes zeroes by portions > >> of 4 byte, it takes more than 6 minutes on my machine to initialize > >> 512Mb ECC DIMM module. Change portion to 128Kb - it significantly > >> reduces initialization time. > >> > >> Signed-off-by: Alexander Beregalov <a.beregalov@xxxxxxxxx> > >> --- > >> Â drivers/ata/sata_sx4.c | Â 11 +++++++---- > >> Â 1 files changed, 7 insertions(+), 4 deletions(-) > > > > > > Applied, to libata-dev.git#upstream > > > > Thanks! > > > > So... Â the $64,000 question: Â does sata_sx4 work for you? > > No, not yet! :) > It works without disks ;) > It has found disks, but got timeout from them. > Some specific functions should be added to ops structure. > > At first I am trying to understand how to detect cable type. > I have two examples: from Promise partial source code and from FreeBSD. > > But PGuide says the chip automatically detects cable type. > Does it mean the driver should not do anything with it? - I will try it. No, it means you query the chip and report what it detected to libata. The cable type affects speed settings. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
