spi/xilinx: fold platform_driver support into main body

This patch merges the platform driver support into the main body of
xilinx_spi.c in preparation for merging the OF and non-OF support
code.

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

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 78f9fd0..58ad21c 100644 (file)
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -368,13 +368,6 @@ config SPI_XILINX_OF
        help
          This is the OF driver for the SPI controller IP from the Xilinx EDK.
 
-config SPI_XILINX_PLTFM
-       tristate "Xilinx SPI controller platform device"
-       depends on SPI_XILINX
-       help
-         This is the platform driver for the SPI controller IP
-         from the Xilinx EDK.
-
 config SPI_NUC900
        tristate "Nuvoton NUC900 series SPI"
        depends on ARCH_W90X900 && EXPERIMENTAL

diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 8bc1a5a..0d03159 100644 (file)
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -44,7 +44,6 @@ obj-$(CONFIG_SPI_TOPCLIFF_PCH)                += spi_topcliff_pch.o
 obj-$(CONFIG_SPI_TXX9)                 += spi_txx9.o
 obj-$(CONFIG_SPI_XILINX)               += xilinx_spi.o
 obj-$(CONFIG_SPI_XILINX_OF)            += xilinx_spi_of.o
-obj-$(CONFIG_SPI_XILINX_PLTFM)         += xilinx_spi_pltfm.o
 obj-$(CONFIG_SPI_SH_SCI)               += spi_sh_sci.o
 obj-$(CONFIG_SPI_SH_MSIOF)             += spi_sh_msiof.o
 obj-$(CONFIG_SPI_STMP3XXX)             += spi_stmp.o

diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index efb28ba..bb3b520 100644 (file)
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -1,20 +1,22 @@
 /*
- * xilinx_spi.c
- *
  * Xilinx SPI controller driver (master mode only)
  *
  * Author: MontaVista Software, Inc.
  *     source@mvista.com
  *
- * 2002-2007 (c) MontaVista Software, Inc.  This file is licensed under the
- * terms of the GNU General Public License version 2.  This program is licensed
- * "as is" without any warranty of any kind, whether express or implied.
+ * Copyright (c) 2010 Secret Lab Technologies, Ltd.
+ * Copyright (c) 2009 Intel Corporation
+ * 2002-2007 (c) MontaVista Software, Inc.
+
+ * 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.
  */
 
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
-
+#include <linux/platform_device.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
 #include <linux/io.h>
@@ -456,6 +458,71 @@ void xilinx_spi_deinit(struct spi_master *master)
 }
 EXPORT_SYMBOL(xilinx_spi_deinit);
 
+static int __devinit xilinx_spi_probe(struct platform_device *dev)
+{
+       struct xspi_platform_data *pdata;
+       struct resource *r;
+       int irq;
+       struct spi_master *master;
+       u8 i;
+
+       pdata = dev->dev.platform_data;
+       if (!pdata)
+               return -ENODEV;
+
+       r = platform_get_resource(dev, IORESOURCE_MEM, 0);
+       if (!r)
+               return -ENODEV;
+
+       irq = platform_get_irq(dev, 0);
+       if (irq < 0)
+               return -ENXIO;
+
+       master = xilinx_spi_init(&dev->dev, r, irq, dev->id,
+                                pdata->num_chipselect, pdata->little_endian,
+                                pdata->bits_per_word);
+       if (!master)
+               return -ENODEV;
+
+       for (i = 0; i < pdata->num_devices; i++)
+               spi_new_device(master, pdata->devices + i);
+
+       platform_set_drvdata(dev, master);
+       return 0;
+}
+
+static int __devexit xilinx_spi_remove(struct platform_device *dev)
+{
+       xilinx_spi_deinit(platform_get_drvdata(dev));
+       platform_set_drvdata(dev, 0);
+
+       return 0;
+}
+
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:" XILINX_SPI_NAME);
+
+static struct platform_driver xilinx_spi_driver = {
+       .probe = xilinx_spi_probe,
+       .remove = __devexit_p(xilinx_spi_remove),
+       .driver = {
+               .name = XILINX_SPI_NAME,
+               .owner = THIS_MODULE,
+       },
+};
+
+static int __init xilinx_spi_pltfm_init(void)
+{
+       return platform_driver_register(&xilinx_spi_driver);
+}
+module_init(xilinx_spi_pltfm_init);
+
+static void __exit xilinx_spi_pltfm_exit(void)
+{
+       platform_driver_unregister(&xilinx_spi_driver);
+}
+module_exit(xilinx_spi_pltfm_exit);
+
 MODULE_AUTHOR("MontaVista Software, Inc. <source@mvista.com>");
 MODULE_DESCRIPTION("Xilinx SPI driver");
 MODULE_LICENSE("GPL");

diff --git a/drivers/spi/xilinx_spi_pltfm.c b/drivers/spi/xilinx_spi_pltfm.c
deleted file mode 100644 (file)
index a16722a..0000000
--- a/drivers/spi/xilinx_spi_pltfm.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Support for Xilinx SPI platform devices
- * 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 platform 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/platform_device.h>
-
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_bitbang.h>
-#include <linux/spi/xilinx_spi.h>
-
-#include "xilinx_spi.h"
-
-static int __devinit xilinx_spi_probe(struct platform_device *dev)
-{
-       struct xspi_platform_data *pdata;
-       struct resource *r;
-       int irq;
-       struct spi_master *master;
-       u8 i;
-
-       pdata = dev->dev.platform_data;
-       if (!pdata)
-               return -ENODEV;
-
-       r = platform_get_resource(dev, IORESOURCE_MEM, 0);
-       if (!r)
-               return -ENODEV;
-
-       irq = platform_get_irq(dev, 0);
-       if (irq < 0)
-               return -ENXIO;
-
-       master = xilinx_spi_init(&dev->dev, r, irq, dev->id,
-                                pdata->num_chipselect, pdata->little_endian,
-                                pdata->bits_per_word);
-       if (!master)
-               return -ENODEV;
-
-       for (i = 0; i < pdata->num_devices; i++)
-               spi_new_device(master, pdata->devices + i);
-
-       platform_set_drvdata(dev, master);
-       return 0;
-}
-
-static int __devexit xilinx_spi_remove(struct platform_device *dev)
-{
-       xilinx_spi_deinit(platform_get_drvdata(dev));
-       platform_set_drvdata(dev, 0);
-
-       return 0;
-}
-
-/* work with hotplug and coldplug */
-MODULE_ALIAS("platform:" XILINX_SPI_NAME);
-
-static struct platform_driver xilinx_spi_driver = {
-       .probe  = xilinx_spi_probe,
-       .remove = __devexit_p(xilinx_spi_remove),
-       .driver = {
-               .name = XILINX_SPI_NAME,
-               .owner = THIS_MODULE,
-       },
-};
-
-static int __init xilinx_spi_pltfm_init(void)
-{
-       return platform_driver_register(&xilinx_spi_driver);
-}
-module_init(xilinx_spi_pltfm_init);
-
-static void __exit xilinx_spi_pltfm_exit(void)
-{
-       platform_driver_unregister(&xilinx_spi_driver);
-}
-module_exit(xilinx_spi_pltfm_exit);
-
-MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");
-MODULE_DESCRIPTION("Xilinx SPI platform driver");
-MODULE_LICENSE("GPL v2");