From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Subject: [PATCH] amd74xx: don't change UDMA settings when programming PIO timings
Based on libata pata_amd host driver.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/amd74xx.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
Index: b/drivers/ide/amd74xx.c
===================================================================
--- a/drivers/ide/amd74xx.c
+++ b/drivers/ide/amd74xx.c
@@ -3,7 +3,7 @@
* IDE driver for Linux.
*
* Copyright (c) 2000-2002 Vojtech Pavlik
- * Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz
+ * Copyright (c) 2007-2010 Bartlomiej Zolnierkiewicz
*
* Based on the work of:
* Andre Hedrick
@@ -70,7 +70,8 @@ static void amd_set_speed(struct pci_dev
default: return;
}
- pci_write_config_byte(dev, AMD_UDMA_TIMING + offset + (3 - dn), t);
+ if (timing->udma)
+ pci_write_config_byte(dev, AMD_UDMA_TIMING + offset + 3 - dn, t);
}
/*
@@ -340,6 +341,6 @@ static void __exit amd74xx_ide_exit(void
module_init(amd74xx_ide_init);
module_exit(amd74xx_ide_exit);
-MODULE_AUTHOR("Vojtech Pavlik");
+MODULE_AUTHOR("Vojtech Pavlik, Bartlomiej Zolnierkiewicz");
MODULE_DESCRIPTION("AMD PCI IDE driver");
MODULE_LICENSE("GPL");
--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
