From: Chuck Ebbert <cebbert@redhat.com>
Date: Mon, 25 Jun 2007 23:13:32 +0000 (-0400)
Subject: pata_ali: fix UDMA settings
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ee5815023527dd579ada340786e329ff6c5c0eea;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

pata_ali: fix UDMA settings

This patch was found to fix some of the problems with the
pata_ali driver.

https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=156482

Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 3c55a5ff74c7..75e95bdbe02f 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -550,22 +550,22 @@ static int ali_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		.udma_mask = 0x1f,
 		.port_ops = &ali_c2_port_ops
 	};
-	/* Revision 0xC3 is UDMA100 */
+	/* Revision 0xC3 is UDMA66 for now */
 	static const struct ata_port_info info_c3 = {
 		.sht = &ali_sht,
 		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48,
 		.pio_mask = 0x1f,
 		.mwdma_mask = 0x07,
-		.udma_mask = 0x3f,
+		.udma_mask = 0x1f,
 		.port_ops = &ali_c2_port_ops
 	};
-	/* Revision 0xC4 is UDMA133 */
+	/* Revision 0xC4 is UDMA100 */
 	static const struct ata_port_info info_c4 = {
 		.sht = &ali_sht,
 		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48,
 		.pio_mask = 0x1f,
 		.mwdma_mask = 0x07,
-		.udma_mask = 0x7f,
+		.udma_mask = 0x3f,
 		.port_ops = &ali_c2_port_ops
 	};
 	/* Revision 0xC5 is UDMA133 with LBA48 DMA */