linux-kernel - [PATCH 3/3] ahci_platform: add STRICT

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Date:	Mon, 20 Feb 2012 12:09:23 -0800
From:	Brian Norris <computersforpeace@...il.com>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	<linux-ide@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>, Kevin Cernekee <cernekee@...il.com>,
	Brian Norris <computersforpeace@...il.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Norbert Preining <preining@...ic.at>,
	"Srivatsa S . Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Valdis Kletnieks <valdis.kletnieks@...edu>,
	"Rafael J . Wysocki" <rjw@...k.pl>
Subject: [PATCH 3/3] ahci_platform: add STRICT_AHCI platform type

Some platforms need to make use of the AHCI_HFLAG_STRICT_SPEC flag.

Signed-off-by: Brian Norris <computersforpeace@...il.com>
---
 drivers/ata/ahci_platform.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 48be4e1..50688c4 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -26,6 +26,7 @@
 enum ahci_type {
 	AHCI,		/* standard platform ahci */
 	IMX53_AHCI,	/* ahci on i.mx53 */
+	STRICT_AHCI,	/* stricter AHCI specification */
 };
 
 static struct platform_device_id ahci_devtype[] = {
@@ -36,6 +37,9 @@ static struct platform_device_id ahci_devtype[] = {
 		.name = "imx53-ahci",
 		.driver_data = IMX53_AHCI,
 	}, {
+		.name = "strict-ahci",
+		.driver_data = STRICT_AHCI,
+	}, {
 		/* sentinel */
 	}
 };
@@ -56,6 +60,13 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_pmp_retry_srst_ops,
 	},
+	[STRICT_AHCI] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_STRICT_SPEC),
+		.flags		= AHCI_FLAG_COMMON,
+		.pio_mask	= ATA_PIO4,
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &ahci_ops,
+	},
 };
 
 static struct scsi_host_template ahci_platform_sht = {
--
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