From 90c937853d792ea997d7fdec72dbbea4f92e12c4 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 29 Jun 2007 11:33:08 +0900 Subject: [PATCH] sata_inic162x: disable LBA48 devices sata_inic162x can't do LBA48 properly yet and is likely to corrupt data on drives larger than LBA28 limit. Disable LBA48 devices during device configuration. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/sata_inic162x.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 2d80c9d95e95..dc3bbce04676 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -496,6 +496,13 @@ static void inic_dev_config(struct ata_device *dev) /* inic can only handle upto LBA28 max sectors */ if (dev->max_sectors > ATA_MAX_SECTORS) dev->max_sectors = ATA_MAX_SECTORS; + + if (dev->n_sectors >= 1 << 28) { + ata_dev_printk(dev, KERN_ERR, + "ERROR: This driver doesn't support LBA48 yet and may cause\n" + " data corruption on such devices. Disabling.\n"); + ata_dev_disable(dev); + } } static void init_port(struct ata_port *ap) -- 2.20.1