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Message-ID: <20070130223723.10d35b87@localhost.localdomain> Date: Tue, 30 Jan 2007 22:37:23 +0000 From: Alan <alan@...rguk.ukuu.org.uk> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Cc: conke.hu@....com Subject: Re: atiixp.c: add cable detection support for ATI IDE > IDE HDD does not work if it uses a 40-pin PATA cable on ATI chipset. > This patch fixes the bug. > > Signed-off-by: Conke Hu <conke.hu@....com> Doe this actually work if the driver is loaded after a suspend to ram and resume ? > - hwif->udma_four = 1; > + pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode); > + if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40) > + hwif->udma_four = 1; > + else > + hwif->udma_four = 0; > + How does the actual cable detection work rather than relying on the BIOS modes to guess the cable ? Alan - 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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