From: Tejun Heo <htejun@gmail.com>
Date: Wed, 22 Mar 2006 11:48:18 +0000 (+0900)
Subject: [PATCH] libata: do not ignore PIO-only devices
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f0c8bbfa154f4481623a4478b0ae94a6ceeaa026;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

[PATCH] libata: do not ignore PIO-only devices

As libata now can do PIO, don't ignore PIO-only devices.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index f4e307104b7b..0314abd97f2d 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1221,13 +1221,6 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev,
 	 * common ATA, ATAPI feature tests
 	 */
 
-	/* we require DMA support (bits 8 of word 49) */
-	if (!ata_id_has_dma(id)) {
-		printk(KERN_DEBUG "ata%u: no dma\n", ap->id);
-		rc = -EINVAL;
-		goto err_out_nosup;
-	}
-
 	/* find max transfer mode; for printk only */
 	xfer_mask = ata_id_xfermask(id);