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[PATCH] removed excite_flash.c

To: thies.moeller@baslerweb.com
Subject: [PATCH] removed excite_flash.c
From: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Date: Fri, 29 Sep 2006 18:27:07 +0900
Cc: yoichi_yuasa@tripeaks.co.jp, Ralf Baechle <ralf@linux-mips.org>, linux-mips <linux-mips@linux-mips.org>
Organization: TriPeaks Corporation
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
Hello,

This patch has removed excite_flashtest.c .
It seems to be unused.

Do you have any problem about this patch?

Yoichi

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>

diff -pruN -X mips/Documentation/dontdiff 
mips-orig/arch/mips/basler/excite/excite_flashtest.c 
mips/arch/mips/basler/excite/excite_flashtest.c
--- mips-orig/arch/mips/basler/excite/excite_flashtest.c        2006-07-26 
10:34:31.772178500 +0900
+++ mips/arch/mips/basler/excite/excite_flashtest.c     1970-01-01 
09:00:00.000000000 +0900
@@ -1,294 +0,0 @@
-/*
-*  Copyright (C) 2005 by Basler Vision Technologies AG
-*  Author: Thies Moeller <thies.moeller@baslerweb.com>
-*
-*  This program is free software; you can redistribute it and/or modify
-*  it under the terms of the GNU General Public License as published by
-*  the Free Software Foundation; either version 2 of the License, or
-*  (at your option) any later version.
-*
-*  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/ioport.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/kernel.h>
-
-#include <excite.h>
-
-#include <asm/io.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/nand_ecc.h>
-#include <linux/mtd/partitions.h>
-#include <asm/rm9k-ocd.h> // for ocd_write
-#include <linux/workqueue.h> // for queue
-
-#include "excite_nandflash.h"
-#include "nandflash.h"
-
-#define PFX "excite flashtest: "
-typedef void __iomem *io_reg_t;
-
-#define io_readb(__a__)                __raw_readb((__a__))
-#define io_writeb(__v__, __a__)        __raw_writeb((__v__), (__a__))
-
-
-
-static inline const struct resource *excite_nandflash_get_resource(
-       struct platform_device *d, unsigned long flags, const char *basename)
-{
-       const char fmt[] = "%s_%u";
-       char buf[80];
-
-       if (unlikely(snprintf(buf, sizeof buf, fmt, basename, d->id) >= sizeof 
buf))
-               return NULL;
-
-       return platform_get_resource_byname(d, flags, buf);
-}
-
-static inline io_reg_t
-excite_nandflash_map_regs(struct platform_device *d, const char *basename)
-{
-       void *result = NULL;
-       const struct resource *const r =
-           excite_nandflash_get_resource(d, IORESOURCE_MEM, basename);
-       if (r)
-          result = ioremap_nocache(r->start, r->end + 1 - r->start);
-       return result;
-}
-
-/* controller and mtd information */
-
-struct excite_nandflash_drvdata {
-       struct mtd_info board_mtd;
-       struct nand_chip board_chip;
-       io_reg_t regs;
-};
-
-
-/* command and control functions */
-static void excite_nandflash_hwcontrol(struct mtd_info *mtd, int cmd)
-{
-       struct nand_chip *this = mtd->priv;
-       io_reg_t regs = container_of(mtd,struct 
excite_nandflash_drvdata,board_mtd)->regs;
-
-       switch (cmd) {
-       /* Select the command latch */
-       case NAND_CTL_SETCLE: this->IO_ADDR_W = regs + EXCITE_NANDFLASH_CMD;
-               break;
-       /* Deselect the command latch */
-       case NAND_CTL_CLRCLE: this->IO_ADDR_W = regs + EXCITE_NANDFLASH_DATA;
-               break;
-       /* Select the address latch */
-       case NAND_CTL_SETALE: this->IO_ADDR_W = regs + EXCITE_NANDFLASH_ADDR;
-               break;
-       /* Deselect the address latch */
-       case NAND_CTL_CLRALE: this->IO_ADDR_W = regs  + EXCITE_NANDFLASH_DATA;
-               break;
-       /* Select the chip  -- not used */
-       case NAND_CTL_SETNCE:
-               break;
-       /* Deselect the chip -- not used */
-       case NAND_CTL_CLRNCE:
-               break;
-       }
-
-       this->IO_ADDR_R = this->IO_ADDR_W;
-}
-
-/* excite_nandflash_devready()
- *
- * returns 0 if the nand is busy, 1 if it is ready
- */
-static int excite_nandflash_devready(struct mtd_info *mtd)
-{
-       struct excite_nandflash_drvdata *drvdata =
-           container_of(mtd, struct excite_nandflash_drvdata, board_mtd);
-
-       return io_readb(drvdata->regs + EXCITE_NANDFLASH_STATUS);
-}
-
-/* device management functions */
-
-/* excite_nandflash_remove
- *
- * called by device layer to remove the driver
- * the binding to the mtd and all allocated
- * resources are released
- */
-static int excite_nandflash_remove(struct device *dev)
-{
-       struct excite_nandflash_drvdata *this = dev_get_drvdata(dev);
-
-       pr_info(PFX "remove");
-
-       dev_set_drvdata(dev, NULL);
-
-       if (this == NULL) {
-               pr_debug(PFX "call remove without private data!!");
-               return 0;
-       }
-
-
-       /* free the common resources */
-       if (this->regs != NULL) {
-               iounmap(this->regs);
-               this->regs = NULL;
-       }
-
-       kfree(this);
-
-       return 0;
-}
-
-static int elapsed;
-
-void my_workqueue_handler(void *arg)
-{
-       elapsed = 1;
-}
-
-DECLARE_WORK(sigElapsed, my_workqueue_handler, 0);
-
-
-/* excite_nandflash_probe
- *
- * called by device layer when it finds a device matching
- * one our driver can handled. This code checks to see if
- * it can allocate all necessary resources then calls the
- * nand layer to look for devices
-*/
-static int excite_nandflash_probe(struct device *dev)
-{
-       struct platform_device *pdev = to_platform_device(dev);
-
-       struct excite_nandflash_drvdata *drvdata;           /* private driver 
data     */
-       struct nand_chip              *board_chip;  /* private flash chip data 
*/
-       struct mtd_info               *board_mtd;   /* mtd info for this board 
*/
-
-       int err      = 0;
-       int count    = 0;
-       struct timeval tv,endtv;
-       unsigned int dt;
-
-       pr_info(PFX "probe dev: (%p)\n", dev);
-
-       pr_info(PFX "adjust LB timing\n");
-       ocd_writel(0x00000330, LDP2);
-
-       drvdata = kmalloc(sizeof(*drvdata), GFP_KERNEL);
-       if (unlikely(!drvdata)) {
-               printk(KERN_ERR PFX "no memory for drvdata\n");
-               err = -ENOMEM;
-               goto mem_error;
-       }
-
-       /* Initialize structures */
-       memset(drvdata, 0, sizeof(*drvdata));
-
-       /* bind private data into driver */
-       dev_set_drvdata(dev, drvdata);
-
-       /* allocate and map the resource */
-       drvdata->regs =
-           excite_nandflash_map_regs(pdev, EXCITE_NANDFLASH_RESOURCE_REGS);
-
-       if (unlikely(!drvdata->regs)) {
-               printk(KERN_ERR PFX "cannot reserve register region\n");
-               err = -ENXIO;
-               goto io_error;
-       }
-
-       /* initialise our chip */
-       board_chip = &drvdata->board_chip;
-
-       board_chip->IO_ADDR_R = drvdata->regs + EXCITE_NANDFLASH_DATA;
-       board_chip->IO_ADDR_W = drvdata->regs + EXCITE_NANDFLASH_DATA;
-
-       board_chip->hwcontrol = excite_nandflash_hwcontrol;
-       board_chip->dev_ready = excite_nandflash_devready;
-
-       board_chip->chip_delay = 25;
-       #if 0
-       /* TODO: speedup the initial scan */
-       board_chip->options = NAND_USE_FLASH_BBT;
-       #endif
-       board_chip->eccmode = NAND_ECC_SOFT;
-
-       /* link chip to mtd */
-       board_mtd = &drvdata->board_mtd;
-       board_mtd->priv = board_chip;
-
-
-       pr_info(PFX "FlashTest\n");
-       elapsed = 0;
-/*     schedule_delayed_work(&sigElapsed, 1*HZ);
-       while (!elapsed) {
-               io_readb(drvdata->regs + EXCITE_NANDFLASH_STATUS);
-               count++;
-       }
-       pr_info(PFX "reads in 1 sec --> %d\n",count);
-*/
-       do_gettimeofday(&tv);
-       for (count = 0 ; count < 1000000; count ++) {
-               io_readb(drvdata->regs + EXCITE_NANDFLASH_STATUS);
-       }
-       do_gettimeofday(&endtv);
-       dt = (endtv.tv_sec - tv.tv_sec) * 1000000 + endtv.tv_usec  - tv.tv_usec;
-       pr_info(PFX "%8d us timeval\n",dt);
-       pr_info(PFX "EndFlashTest\n");
-
-/*      return with error to unload everything
-*/
-io_error:
-       iounmap(drvdata->regs);
-
-mem_error:
-       kfree(drvdata);
-
-       if (err == 0)
-               err = -EINVAL;
-       return err;
-}
-
-static struct device_driver excite_nandflash_driver = {
-       .name = "excite_nand",
-       .bus = &platform_bus_type,
-       .probe = excite_nandflash_probe,
-       .remove = excite_nandflash_remove,
-};
-
-static int __init excite_nandflash_init(void)
-{
-       pr_info(PFX "register Driver (Rev: $Revision:$)\n");
-       return driver_register(&excite_nandflash_driver);
-}
-
-static void __exit excite_nandflash_exit(void)
-{
-       driver_unregister(&excite_nandflash_driver);
-       pr_info(PFX "Driver unregistered");
-}
-
-module_init(excite_nandflash_init);
-module_exit(excite_nandflash_exit);
-
-MODULE_AUTHOR("Thies Moeller <thies.moeller@baslerweb.com>");
-MODULE_DESCRIPTION("Basler eXcite NAND-Flash driver");
-MODULE_LICENSE("GPL");

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