From: Tejun Heo Date: Mon, 29 Oct 2007 07:45:05 +0000 (+0900) Subject: libata: no need to speed down if already at PIO0 X-Git-Tag: v2.6.24-rc2~99^2~3 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=4fb4615bc9465e7098665fa9616b6ac1f495f895 libata: no need to speed down if already at PIO0 After reset, transfer mode is always PIO0 regardless of dev->xfer_mask. Check dev->pio_mode before trying to slow down after configuration failure. This prevents bogus speed down before device is actually configured. Signed-off-by: Tejun Heo Acked-by: Alan Cox Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index b237ff18b39e..ec55d63cf20e 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2437,7 +2437,7 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err) /* give it just one more chance */ ehc->tries[dev->devno] = min(ehc->tries[dev->devno], 1); case -EIO: - if (ehc->tries[dev->devno] == 1) { + if (ehc->tries[dev->devno] == 1 && dev->pio_mode > XFER_PIO_0) { /* This is the last chance, better to slow * down than lose it. */