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Message-ID: <da824cf30812300908x3ff6061cn569203d5163664ea@mail.gmail.com> Date: Tue, 30 Dec 2008 09:08:46 -0800 From: Grant Grundler <grundler@...gle.com> To: Justin Piszcz <jpiszcz@...idpixels.com> Cc: linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org Subject: Re: 2.6.28: Is there a way to disable sata probing for certain ports? On Tue, Dec 30, 2008 at 4:24 AM, Justin Piszcz <jpiszcz@...idpixels.com> wrote: > When I boot from an Intel X25-E SSD, it takes roughly a few seconds; > however, items such as: > > $ dmesg|grep link\ down > [ 2.447030] ata4: SATA link down (SStatus 0 SControl 300) > [ 4.481288] ata5: SATA link down (SStatus 0 SControl 0) > [ 6.501288] ata6: SATA link down (SStatus 0 SControl 0) > [ 8.522038] ata7: SATA link down (SStatus 0 SControl 0) > [ 10.552288] ata8: SATA link down (SStatus 0 SControl 0) > > Scanning for devices on channels that have nothing connected adds to the > boot time, is there anyway to turn off/disable scanning for certain ports to > help speed the boot process? Some BIOSs allow one to enable/disable each port individually. Have you checked the BIOS config menus for such an option? drivers/ata/libata-core.c declares "ata_force_param_buf" but I don't see any documentation for it despite the reference to Documentation/kernel-parameters.txt . hth, grant -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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