spi/xilinx: merge OF support code into main driver

Now that the of_platform_bus_type has been merged with the platform
bus type, a single platform driver can handle both OF and non-OF use
cases.  This patch merges the OF support into the platform driver.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Michal Simek <monstr@monstr.eu>

1 files changed, 0 insertions, 124 deletions

diff --git a/drivers/spi/xilinx_spi_of.c b/drivers/spi/xilinx_spi_of.c
deleted file mode 100644
index c2d8ade87a38..000000000000
--- a/drivers/spi/xilinx_spi_of.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Xilinx SPI OF device driver
- *
- * Copyright (c) 2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/* Supports:
- * Xilinx SPI devices as OF devices
- *
- * Inspired by xilinx_spi.c, 2002-2007 (c) MontaVista Software, Inc.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/of_device.h>
-#include <linux/of_spi.h>
-
-#include <linux/spi/xilinx_spi.h>
-#include "xilinx_spi.h"
-
-
-static int __devinit xilinx_spi_of_probe(struct platform_device *ofdev,
-	const struct of_device_id *match)
-{
-	struct spi_master *master;
-	struct resource r_mem;
-	struct resource r_irq;
-	int rc = 0;
-	const u32 *prop;
-	int len, num_cs;
-
-	rc = of_address_to_resource(ofdev->dev.of_node, 0, &r_mem);
-	if (rc) {
-		dev_warn(&ofdev->dev, "invalid address\n");
-		return rc;
-	}
-
-	rc = of_irq_to_resource(ofdev->dev.of_node, 0, &r_irq);
-	if (rc == NO_IRQ) {
-		dev_warn(&ofdev->dev, "no IRQ found\n");
-		return -ENODEV;
-	}
-
-	/* number of slave select bits is required */
-	prop = of_get_property(ofdev->dev.of_node, "xlnx,num-ss-bits", &len);
-	if (!prop || len < sizeof(*prop)) {
-		dev_warn(&ofdev->dev, "no 'xlnx,num-ss-bits' property\n");
-		return -EINVAL;
-	}
-	num_cs = __be32_to_cpup(prop);
-	master = xilinx_spi_init(&ofdev->dev, &r_mem, r_irq.start, -1,
-				 num_cs, 0, 8);
-	if (!master)
-		return -ENODEV;
-
-	dev_set_drvdata(&ofdev->dev, master);
-
-	return 0;
-}
-
-static int __devexit xilinx_spi_remove(struct platform_device *ofdev)
-{
-	xilinx_spi_deinit(dev_get_drvdata(&ofdev->dev));
-	dev_set_drvdata(&ofdev->dev, 0);
-	return 0;
-}
-
-static int __exit xilinx_spi_of_remove(struct platform_device *op)
-{
-	return xilinx_spi_remove(op);
-}
-
-static const struct of_device_id xilinx_spi_of_match[] = {
-	{ .compatible = "xlnx,xps-spi-2.00.a", },
-	{ .compatible = "xlnx,xps-spi-2.00.b", },
-	{}
-};
-
-MODULE_DEVICE_TABLE(of, xilinx_spi_of_match);
-
-static struct of_platform_driver xilinx_spi_of_driver = {
-	.probe = xilinx_spi_of_probe,
-	.remove = __exit_p(xilinx_spi_of_remove),
-	.driver = {
-		.name = "xilinx-xps-spi",
-		.owner = THIS_MODULE,
-		.of_match_table = xilinx_spi_of_match,
-	},
-};
-
-static int __init xilinx_spi_of_init(void)
-{
-	return of_register_platform_driver(&xilinx_spi_of_driver);
-}
-module_init(xilinx_spi_of_init);
-
-static void __exit xilinx_spi_of_exit(void)
-{
-	of_unregister_platform_driver(&xilinx_spi_of_driver);
-}
-module_exit(xilinx_spi_of_exit);
-
-MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
-MODULE_DESCRIPTION("Xilinx SPI platform driver");
-MODULE_LICENSE("GPL v2");