linux-kernel - nvida sata controller CK804 and NCQ not working on linux-2.6.28||29.1

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Date:	Mon, 6 Apr 2009 15:03:53 +0200 (CEST)
From:	l.genoni@...relinux.com
To:	jgarzik@...ox.com
cc:	linux-kernel@...r.kernel.org
Subject: nvida sata controller CK804  and  NCQ not working on linux-2.6.28||29.1


Hi,
to make NCQ work with nvidia sata CK804 I had to introduce this simple 
change into sata-nv.c. Is there some reason I am missing why adma_enable 
is not by default one, so later in the dome NCQ is not enabled?



--- linux/drivers/ata/sata_nv.c.old     2009-04-06 14:56:19.000000000 
+0200
+++ linux/drivers/ata/sata_nv.c 2009-04-06 14:56:24.000000000 +0200
@@ -577,7 +577,7 @@
  MODULE_DEVICE_TABLE(pci, nv_pci_tbl);
  MODULE_VERSION(DRV_VERSION);

-static int adma_enabled;
+static int adma_enabled = 1;
  static int swncq_enabled = 1;

  static void nv_adma_register_mode(struct ata_port *ap)

regards

Luigi Genoni
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