From: Alan Date: Mon, 5 Feb 2007 16:28:30 +0000 (+0000) Subject: libata: Early CFA adapters are not required to support mode setting X-Git-Tag: v2.6.21-rc1~274^2~482 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=11750a40abddff1e0c6e0924902f914292d12277;p=linux.git libata: Early CFA adapters are not required to support mode setting If we are doing a PIO setup for a CFA card and it blows up with a device error then assume it is an older CFA card which doesn't support this rather than failing the device out of existance. Stands seperate to the quieting patch but that is obviously useful with this change. Signed-off-by: Alan Cox Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 6a2083a6d175..479f95a5c0a3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2333,6 +2333,10 @@ static int ata_dev_set_mode(struct ata_device *dev) dev->flags |= ATA_DFLAG_PIO; err_mask = ata_dev_set_xfermode(dev); + /* Old CFA may refuse this command, which is just fine */ + if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id)) + err_mask &= ~AC_ERR_DEV; + if (err_mask) { ata_dev_printk(dev, KERN_ERR, "failed to set xfermode " "(err_mask=0x%x)\n", err_mask);