diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2009-12-17 01:57:35 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2009-12-17 01:57:35 +0000 |
commit | de4148f3ef54b644a181ad75a6fb4b373f2b01f0 (patch) | |
tree | 83aa287fbbcc14a3df9e161af99af49776b61b6f /drivers | |
parent | c3d8d85019c9e4f6e4f23d194b6432a2c2464372 (diff) | |
download | lwn-de4148f3ef54b644a181ad75a6fb4b373f2b01f0.tar.gz lwn-de4148f3ef54b644a181ad75a6fb4b373f2b01f0.zip |
MIPS: eXcite: Remove platform.
The platform has never been fully merged
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Thomas Koeller <thomas.koeller@baslerweb.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mtd@lists.infradead.org
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/nand/Kconfig | 8 | ||||
-rw-r--r-- | drivers/mtd/nand/Makefile | 1 | ||||
-rw-r--r-- | drivers/mtd/nand/excite_nandflash.c | 248 | ||||
-rw-r--r-- | drivers/watchdog/Kconfig | 10 | ||||
-rw-r--r-- | drivers/watchdog/Makefile | 1 | ||||
-rw-r--r-- | drivers/watchdog/rm9k_wdt.c | 419 |
6 files changed, 0 insertions, 687 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 7678538344f4..677cd53f18c3 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -291,14 +291,6 @@ config MTD_NAND_SHARPSL tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" depends on ARCH_PXA -config MTD_NAND_BASLER_EXCITE - tristate "Support for NAND Flash on Basler eXcite" - depends on BASLER_EXCITE - help - This enables the driver for the NAND flash device found on the - Basler eXcite Smart Camera. If built as a module, the driver - will be named excite_nandflash. - config MTD_NAND_CAFE tristate "NAND support for OLPC CAFÉ chip" depends on PCI diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index 460a1f39a8d1..1407bd144015 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -27,7 +27,6 @@ obj-$(CONFIG_MTD_NAND_ATMEL) += atmel_nand.o obj-$(CONFIG_MTD_NAND_GPIO) += gpio.o obj-$(CONFIG_MTD_NAND_OMAP2) += omap2.o obj-$(CONFIG_MTD_NAND_CM_X270) += cmx270_nand.o -obj-$(CONFIG_MTD_NAND_BASLER_EXCITE) += excite_nandflash.o obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o diff --git a/drivers/mtd/nand/excite_nandflash.c b/drivers/mtd/nand/excite_nandflash.c deleted file mode 100644 index af6a6a5399e1..000000000000 --- a/drivers/mtd/nand/excite_nandflash.c +++ /dev/null @@ -1,248 +0,0 @@ -/* -* Copyright (C) 2005 - 2007 by Basler Vision Technologies AG -* Author: Thomas Koeller <thomas.koeller.qbaslerweb.com> -* Original code by 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/platform_device.h> -#include <linux/delay.h> -#include <linux/err.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/nand_ecc.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> -#include <asm/rm9k-ocd.h> - -#include <excite_nandflash.h> - -#define EXCITE_NANDFLASH_VERSION "0.1" - -/* I/O register offsets */ -#define EXCITE_NANDFLASH_DATA_BYTE 0x00 -#define EXCITE_NANDFLASH_STATUS_BYTE 0x0c -#define EXCITE_NANDFLASH_ADDR_BYTE 0x10 -#define EXCITE_NANDFLASH_CMD_BYTE 0x14 - -/* prefix for debug output */ -static const char module_id[] = "excite_nandflash"; - -/* - * partition definition - */ -static const struct mtd_partition partition_info[] = { - { - .name = "eXcite RootFS", - .offset = 0, - .size = MTDPART_SIZ_FULL - } -}; - -static inline const struct resource * -excite_nand_get_resource(struct platform_device *d, unsigned long flags, - const char *basename) -{ - char buf[80]; - - if (snprintf(buf, sizeof buf, "%s_%u", basename, d->id) >= sizeof buf) - return NULL; - return platform_get_resource_byname(d, flags, buf); -} - -static inline void __iomem * -excite_nand_map_regs(struct platform_device *d, const char *basename) -{ - void *result = NULL; - const struct resource *const r = - excite_nand_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_nand_drvdata { - struct mtd_info board_mtd; - struct nand_chip board_chip; - void __iomem *regs; - void __iomem *tgt; -}; - -/* Control function */ -static void excite_nand_control(struct mtd_info *mtd, int cmd, - unsigned int ctrl) -{ - struct excite_nand_drvdata * const d = - container_of(mtd, struct excite_nand_drvdata, board_mtd); - - switch (ctrl) { - case NAND_CTRL_CHANGE | NAND_CTRL_CLE: - d->tgt = d->regs + EXCITE_NANDFLASH_CMD_BYTE; - break; - case NAND_CTRL_CHANGE | NAND_CTRL_ALE: - d->tgt = d->regs + EXCITE_NANDFLASH_ADDR_BYTE; - break; - case NAND_CTRL_CHANGE | NAND_NCE: - d->tgt = d->regs + EXCITE_NANDFLASH_DATA_BYTE; - break; - } - - if (cmd != NAND_CMD_NONE) - __raw_writeb(cmd, d->tgt); -} - -/* Return 0 if flash is busy, 1 if ready */ -static int excite_nand_devready(struct mtd_info *mtd) -{ - struct excite_nand_drvdata * const drvdata = - container_of(mtd, struct excite_nand_drvdata, board_mtd); - - return __raw_readb(drvdata->regs + EXCITE_NANDFLASH_STATUS_BYTE); -} - -/* - * Called by device layer to remove the driver. - * The binding to the mtd and all allocated - * resources are released. - */ -static int __devexit excite_nand_remove(struct platform_device *dev) -{ - struct excite_nand_drvdata * const this = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - - if (unlikely(!this)) { - printk(KERN_ERR "%s: called %s without private data!!", - module_id, __func__); - return -EINVAL; - } - - /* first thing we need to do is release our mtd - * then go through freeing the resource used - */ - nand_release(&this->board_mtd); - - /* free the common resources */ - iounmap(this->regs); - kfree(this); - - DEBUG(MTD_DEBUG_LEVEL1, "%s: removed\n", module_id); - return 0; -} - -/* - * Called by device layer when it finds a device matching - * one our driver can handle. This code checks to see if - * it can allocate all necessary resources then calls the - * nand layer to look for devices. -*/ -static int __init excite_nand_probe(struct platform_device *pdev) -{ - struct excite_nand_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 scan_res; - - drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); - if (unlikely(!drvdata)) { - printk(KERN_ERR "%s: no memory for drvdata\n", - module_id); - return -ENOMEM; - } - - /* bind private data into driver */ - platform_set_drvdata(pdev, drvdata); - - /* allocate and map the resource */ - drvdata->regs = - excite_nand_map_regs(pdev, EXCITE_NANDFLASH_RESOURCE_REGS); - - if (unlikely(!drvdata->regs)) { - printk(KERN_ERR "%s: cannot reserve register region\n", - module_id); - kfree(drvdata); - return -ENXIO; - } - - drvdata->tgt = drvdata->regs + EXCITE_NANDFLASH_DATA_BYTE; - - /* initialise our chip */ - board_chip = &drvdata->board_chip; - board_chip->IO_ADDR_R = board_chip->IO_ADDR_W = - drvdata->regs + EXCITE_NANDFLASH_DATA_BYTE; - board_chip->cmd_ctrl = excite_nand_control; - board_chip->dev_ready = excite_nand_devready; - board_chip->chip_delay = 25; - board_chip->ecc.mode = NAND_ECC_SOFT; - - /* link chip to mtd */ - board_mtd = &drvdata->board_mtd; - board_mtd->priv = board_chip; - - DEBUG(MTD_DEBUG_LEVEL2, "%s: device scan\n", module_id); - scan_res = nand_scan(&drvdata->board_mtd, 1); - - if (likely(!scan_res)) { - DEBUG(MTD_DEBUG_LEVEL2, "%s: register partitions\n", module_id); - add_mtd_partitions(&drvdata->board_mtd, partition_info, - ARRAY_SIZE(partition_info)); - } else { - iounmap(drvdata->regs); - kfree(drvdata); - printk(KERN_ERR "%s: device scan failed\n", module_id); - return -EIO; - } - return 0; -} - -static struct platform_driver excite_nand_driver = { - .driver = { - .name = "excite_nand", - .owner = THIS_MODULE, - }, - .probe = excite_nand_probe, - .remove = __devexit_p(excite_nand_remove) -}; - -static int __init excite_nand_init(void) -{ - pr_info("Basler eXcite nand flash driver Version " - EXCITE_NANDFLASH_VERSION "\n"); - return platform_driver_register(&excite_nand_driver); -} - -static void __exit excite_nand_exit(void) -{ - platform_driver_unregister(&excite_nand_driver); -} - -module_init(excite_nand_init); -module_exit(excite_nand_exit); - -MODULE_AUTHOR("Thomas Koeller <thomas.koeller@baslerweb.com>"); -MODULE_DESCRIPTION("Basler eXcite NAND-Flash driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(EXCITE_NANDFLASH_VERSION) diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index d958b76430a2..da84fd03850f 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -815,16 +815,6 @@ config PNX833X_WDT timer has expired and no process has written to /dev/watchdog during that time. -config WDT_RM9K_GPI - tristate "RM9000/GPI hardware watchdog" - depends on CPU_RM9000 - help - Watchdog implementation using the GPI hardware found on - PMC-Sierra RM9xxx CPUs. - - To compile this driver as a module, choose M here: the - module will be called rm9k_wdt. - config SIBYTE_WDOG tristate "Sibyte SoC hardware watchdog" depends on CPU_SB1 diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 89c045dc468e..475c61100069 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -109,7 +109,6 @@ obj-$(CONFIG_RC32434_WDT) += rc32434_wdt.o obj-$(CONFIG_INDYDOG) += indydog.o obj-$(CONFIG_WDT_MTX1) += mtx-1_wdt.o obj-$(CONFIG_PNX833X_WDT) += pnx833x_wdt.o -obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o obj-$(CONFIG_AR7_WDT) += ar7_wdt.o obj-$(CONFIG_TXX9_WDT) += txx9wdt.o diff --git a/drivers/watchdog/rm9k_wdt.c b/drivers/watchdog/rm9k_wdt.c deleted file mode 100644 index bb66958b9433..000000000000 --- a/drivers/watchdog/rm9k_wdt.c +++ /dev/null @@ -1,419 +0,0 @@ -/* - * Watchdog implementation for GPI h/w found on PMC-Sierra RM9xxx - * chips. - * - * Copyright (C) 2004 by Basler Vision Technologies AG - * Author: Thomas Koeller <thomas.koeller@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/platform_device.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/interrupt.h> -#include <linux/fs.h> -#include <linux/reboot.h> -#include <linux/notifier.h> -#include <linux/miscdevice.h> -#include <linux/watchdog.h> -#include <linux/io.h> -#include <linux/uaccess.h> -#include <asm/atomic.h> -#include <asm/processor.h> -#include <asm/system.h> -#include <asm/rm9k-ocd.h> - -#include <rm9k_wdt.h> - - -#define CLOCK 125000000 -#define MAX_TIMEOUT_SECONDS 32 -#define CPCCR 0x0080 -#define CPGIG1SR 0x0044 -#define CPGIG1ER 0x0054 - - -/* Function prototypes */ -static irqreturn_t wdt_gpi_irqhdl(int, void *); -static void wdt_gpi_start(void); -static void wdt_gpi_stop(void); -static void wdt_gpi_set_timeout(unsigned int); -static int wdt_gpi_open(struct inode *, struct file *); -static int wdt_gpi_release(struct inode *, struct file *); -static ssize_t wdt_gpi_write(struct file *, const char __user *, size_t, - loff_t *); -static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long); -static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *); -static const struct resource *wdt_gpi_get_resource(struct platform_device *, - const char *, unsigned int); -static int __init wdt_gpi_probe(struct platform_device *); -static int __exit wdt_gpi_remove(struct platform_device *); - - -static const char wdt_gpi_name[] = "wdt_gpi"; -static atomic_t opencnt; -static int expect_close; -static int locked; - - -/* These are set from device resources */ -static void __iomem *wd_regs; -static unsigned int wd_irq, wd_ctr; - - -/* Module arguments */ -static int timeout = MAX_TIMEOUT_SECONDS; -module_param(timeout, int, 0444); -MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds"); - -static unsigned long resetaddr = 0xbffdc200; -module_param(resetaddr, ulong, 0444); -MODULE_PARM_DESC(resetaddr, "Address to write to to force a reset"); - -static unsigned long flagaddr = 0xbffdc104; -module_param(flagaddr, ulong, 0444); -MODULE_PARM_DESC(flagaddr, "Address to write to boot flags to"); - -static int powercycle; -module_param(powercycle, bool, 0444); -MODULE_PARM_DESC(powercycle, "Cycle power if watchdog expires"); - -static int nowayout = WATCHDOG_NOWAYOUT; -module_param(nowayout, bool, 0444); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); - - -/* Kernel interfaces */ -static const struct file_operations fops = { - .owner = THIS_MODULE, - .open = wdt_gpi_open, - .release = wdt_gpi_release, - .write = wdt_gpi_write, - .unlocked_ioctl = wdt_gpi_ioctl, -}; - -static struct miscdevice miscdev = { - .minor = WATCHDOG_MINOR, - .name = wdt_gpi_name, - .fops = &fops, -}; - -static struct notifier_block wdt_gpi_shutdown = { - .notifier_call = wdt_gpi_notify, -}; - - -/* Interrupt handler */ -static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt) -{ - if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) - return IRQ_NONE; - __raw_writel(0x1, wd_regs + 0x0008); - - - printk(KERN_CRIT "%s: watchdog expired - resetting system\n", - wdt_gpi_name); - - *(volatile char *) flagaddr |= 0x01; - *(volatile char *) resetaddr = powercycle ? 0x01 : 0x2; - iob(); - while (1) - cpu_relax(); -} - - -/* Watchdog functions */ -static void wdt_gpi_start(void) -{ - u32 reg; - - lock_titan_regs(); - reg = titan_readl(CPGIG1ER); - titan_writel(reg | (0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); -} - -static void wdt_gpi_stop(void) -{ - u32 reg; - - lock_titan_regs(); - reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); - titan_writel(reg, CPCCR); - reg = titan_readl(CPGIG1ER); - titan_writel(reg & ~(0x100 << wd_ctr), CPGIG1ER); - iob(); - unlock_titan_regs(); -} - -static void wdt_gpi_set_timeout(unsigned int to) -{ - u32 reg; - const u32 wdval = (to * CLOCK) & ~0x0000000f; - - lock_titan_regs(); - reg = titan_readl(CPCCR) & ~(0xf << (wd_ctr * 4)); - titan_writel(reg, CPCCR); - wmb(); - __raw_writel(wdval, wd_regs + 0x0000); - wmb(); - titan_writel(reg | (0x2 << (wd_ctr * 4)), CPCCR); - wmb(); - titan_writel(reg | (0x5 << (wd_ctr * 4)), CPCCR); - iob(); - unlock_titan_regs(); -} - - -/* /dev/watchdog operations */ -static int wdt_gpi_open(struct inode *inode, struct file *file) -{ - int res; - - if (unlikely(atomic_dec_if_positive(&opencnt) < 0)) - return -EBUSY; - - expect_close = 0; - if (locked) { - module_put(THIS_MODULE); - free_irq(wd_irq, &miscdev); - locked = 0; - } - - res = request_irq(wd_irq, wdt_gpi_irqhdl, IRQF_SHARED | IRQF_DISABLED, - wdt_gpi_name, &miscdev); - if (unlikely(res)) - return res; - - wdt_gpi_set_timeout(timeout); - wdt_gpi_start(); - - printk(KERN_INFO "%s: watchdog started, timeout = %u seconds\n", - wdt_gpi_name, timeout); - return nonseekable_open(inode, file); -} - -static int wdt_gpi_release(struct inode *inode, struct file *file) -{ - if (nowayout) { - printk(KERN_INFO "%s: no way out - watchdog left running\n", - wdt_gpi_name); - __module_get(THIS_MODULE); - locked = 1; - } else { - if (expect_close) { - wdt_gpi_stop(); - free_irq(wd_irq, &miscdev); - printk(KERN_INFO "%s: watchdog stopped\n", - wdt_gpi_name); - } else { - printk(KERN_CRIT "%s: unexpected close() -" - " watchdog left running\n", - wdt_gpi_name); - wdt_gpi_set_timeout(timeout); - __module_get(THIS_MODULE); - locked = 1; - } - } - - atomic_inc(&opencnt); - return 0; -} - -static ssize_t wdt_gpi_write(struct file *f, const char __user *d, size_t s, - loff_t *o) -{ - char val; - - wdt_gpi_set_timeout(timeout); - expect_close = (s > 0) && !get_user(val, d) && (val == 'V'); - return s ? 1 : 0; -} - -static long wdt_gpi_ioctl(struct file *f, unsigned int cmd, unsigned long arg) -{ - long res = -ENOTTY; - const long size = _IOC_SIZE(cmd); - int stat; - void __user *argp = (void __user *)arg; - static struct watchdog_info wdinfo = { - .identity = "RM9xxx/GPI watchdog", - .firmware_version = 0, - .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING - }; - - if (unlikely(_IOC_TYPE(cmd) != WATCHDOG_IOCTL_BASE)) - return -ENOTTY; - - if ((_IOC_DIR(cmd) & _IOC_READ) - && !access_ok(VERIFY_WRITE, arg, size)) - return -EFAULT; - - if ((_IOC_DIR(cmd) & _IOC_WRITE) - && !access_ok(VERIFY_READ, arg, size)) - return -EFAULT; - - expect_close = 0; - - switch (cmd) { - case WDIOC_GETSUPPORT: - wdinfo.options = nowayout ? - WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING : - WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | - WDIOF_MAGICCLOSE; - res = __copy_to_user(argp, &wdinfo, size) ? -EFAULT : size; - break; - - case WDIOC_GETSTATUS: - break; - - case WDIOC_GETBOOTSTATUS: - stat = (*(volatile char *) flagaddr & 0x01) - ? WDIOF_CARDRESET : 0; - res = __copy_to_user(argp, &stat, size) ? - -EFAULT : size; - break; - - case WDIOC_SETOPTIONS: - break; - - case WDIOC_KEEPALIVE: - wdt_gpi_set_timeout(timeout); - res = size; - break; - - case WDIOC_SETTIMEOUT: - { - int val; - if (unlikely(__copy_from_user(&val, argp, size))) { - res = -EFAULT; - break; - } - - if (val > MAX_TIMEOUT_SECONDS) - val = MAX_TIMEOUT_SECONDS; - timeout = val; - wdt_gpi_set_timeout(val); - res = size; - printk(KERN_INFO "%s: timeout set to %u seconds\n", - wdt_gpi_name, timeout); - } - break; - - case WDIOC_GETTIMEOUT: - res = __copy_to_user(argp, &timeout, size) ? - -EFAULT : size; - break; - } - - return res; -} - - -/* Shutdown notifier */ -static int wdt_gpi_notify(struct notifier_block *this, unsigned long code, - void *unused) -{ - if (code == SYS_DOWN || code == SYS_HALT) - wdt_gpi_stop(); - - return NOTIFY_DONE; -} - - -/* Init & exit procedures */ -static const struct resource *wdt_gpi_get_resource(struct platform_device *pdv, - const char *name, unsigned int type) -{ - char buf[80]; - if (snprintf(buf, sizeof(buf), "%s_0", name) >= sizeof(buf)) - return NULL; - return platform_get_resource_byname(pdv, type, buf); -} - -/* No hotplugging on the platform bus - use __devinit */ -static int __devinit wdt_gpi_probe(struct platform_device *pdv) -{ - int res; - const struct resource - * const rr = wdt_gpi_get_resource(pdv, WDT_RESOURCE_REGS, - IORESOURCE_MEM), - * const ri = wdt_gpi_get_resource(pdv, WDT_RESOURCE_IRQ, - IORESOURCE_IRQ), - * const rc = wdt_gpi_get_resource(pdv, WDT_RESOURCE_COUNTER, - 0); - - if (unlikely(!rr || !ri || !rc)) - return -ENXIO; - - wd_regs = ioremap_nocache(rr->start, rr->end + 1 - rr->start); - if (unlikely(!wd_regs)) - return -ENOMEM; - wd_irq = ri->start; - wd_ctr = rc->start; - res = misc_register(&miscdev); - if (res) - iounmap(wd_regs); - else - register_reboot_notifier(&wdt_gpi_shutdown); - return res; -} - -static int __devexit wdt_gpi_remove(struct platform_device *dev) -{ - int res; - - unregister_reboot_notifier(&wdt_gpi_shutdown); - res = misc_deregister(&miscdev); - iounmap(wd_regs); - wd_regs = NULL; - return res; -} - - -/* Device driver init & exit */ -static struct platform_driver wgt_gpi_driver = { - .driver = { - .name = wdt_gpi_name, - .owner = THIS_MODULE, - }, - .probe = wdt_gpi_probe, - .remove = __devexit_p(wdt_gpi_remove), -}; - -static int __init wdt_gpi_init_module(void) -{ - atomic_set(&opencnt, 1); - if (timeout > MAX_TIMEOUT_SECONDS) - timeout = MAX_TIMEOUT_SECONDS; - return platform_driver_register(&wdt_gpi_driver); -} - -static void __exit wdt_gpi_cleanup_module(void) -{ - platform_driver_unregister(&wdt_gpi_driver); -} - -module_init(wdt_gpi_init_module); -module_exit(wdt_gpi_cleanup_module); - -MODULE_AUTHOR("Thomas Koeller <thomas.koeller@baslerweb.com>"); -MODULE_DESCRIPTION("Basler eXcite watchdog driver for gpi devices"); -MODULE_VERSION("0.1"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); - |