The patch titled watchdog: pc87413_wdt: clean up, coding style, unlocked_ioctl has been added to the -mm tree. Its filename is watchdog-pc87413_wdt-clean-up-coding-style-unlocked_ioctl.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: watchdog: pc87413_wdt: clean up, coding style, unlocked_ioctl From: Alan Cox <alan@xxxxxxxxxx> Signed-off-by: Alan Cox <alan@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/watchdog/pc87413_wdt.c | 211 ++++++++++++------------------- 1 file changed, 87 insertions(+), 124 deletions(-) diff -puN drivers/watchdog/pc87413_wdt.c~watchdog-pc87413_wdt-clean-up-coding-style-unlocked_ioctl drivers/watchdog/pc87413_wdt.c --- a/drivers/watchdog/pc87413_wdt.c~watchdog-pc87413_wdt-clean-up-coding-style-unlocked_ioctl +++ a/drivers/watchdog/pc87413_wdt.c @@ -31,9 +31,9 @@ #include <linux/spinlock.h> #include <linux/moduleparam.h> #include <linux/version.h> +#include <linux/io.h> +#include <linux/uaccess.h> -#include <asm/io.h> -#include <asm/uaccess.h> #include <asm/system.h> /* #define DEBUG 1 */ @@ -56,12 +56,12 @@ static int io = 0x2E; /* Address used on Portwell Boards */ -static int timeout = DEFAULT_TIMEOUT; /* timeout value */ -static unsigned long timer_enabled = 0; /* is the timer enabled? */ +static int timeout = DEFAULT_TIMEOUT; /* timeout value */ +static unsigned long timer_enabled; /* is the timer enabled? */ -static char expect_close; /* is the close expected? */ +static char expect_close; /* is the close expected? */ -static DEFINE_SPINLOCK(io_lock);/* to guard the watchdog from io races */ +static DEFINE_SPINLOCK(io_lock); /* to guard us from io races */ static int nowayout = WATCHDOG_NOWAYOUT; @@ -69,7 +69,7 @@ static int nowayout = WATCHDOG_NOWAYOUT; /* Select pins for Watchdog output */ -static inline void pc87413_select_wdt_out (void) +static inline void pc87413_select_wdt_out(void) { unsigned int cr_data = 0; @@ -77,7 +77,7 @@ static inline void pc87413_select_wdt_ou outb_p(SIOCFG2, WDT_INDEX_IO_PORT); - cr_data = inb (WDT_DATA_IO_PORT); + cr_data = inb(WDT_DATA_IO_PORT); cr_data |= 0x80; /* Set Bit7 to 1*/ outb_p(SIOCFG2, WDT_INDEX_IO_PORT); @@ -85,8 +85,9 @@ static inline void pc87413_select_wdt_ou outb_p(cr_data, WDT_DATA_IO_PORT); #ifdef DEBUG - printk(KERN_INFO DPFX "Select multiple pin,pin55,as WDT output:" - " Bit7 to 1: %d\n", cr_data); + printk(KERN_INFO DPFX + "Select multiple pin,pin55,as WDT output: Bit7 to 1: %d\n", + cr_data); #endif } @@ -94,7 +95,7 @@ static inline void pc87413_select_wdt_ou static inline void pc87413_enable_swc(void) { - unsigned int cr_data=0; + unsigned int cr_data = 0; /* Step 2: Enable SWC functions */ @@ -129,12 +130,11 @@ static inline unsigned int pc87413_get_s addr_l = inb(WDT_DATA_IO_PORT); swc_base_addr = (addr_h << 8) + addr_l; - #ifdef DEBUG - printk(KERN_INFO DPFX "Read SWC I/O Base Address: low %d, high %d," - " res %d\n", addr_l, addr_h, swc_base_addr); + printk(KERN_INFO DPFX + "Read SWC I/O Base Address: low %d, high %d, res %d\n", + addr_l, addr_h, swc_base_addr); #endif - return swc_base_addr; } @@ -143,9 +143,7 @@ static inline unsigned int pc87413_get_s static inline void pc87413_swc_bank3(unsigned int swc_base_addr) { /* Step 4: Select Bank3 of SWC */ - outb_p(inb(swc_base_addr + 0x0f) | 0x03, swc_base_addr + 0x0f); - #ifdef DEBUG printk(KERN_INFO DPFX "Select Bank3 of SWC\n"); #endif @@ -157,9 +155,7 @@ static inline void pc87413_programm_wdto char pc87413_time) { /* Step 5: Programm WDTO, Twd. */ - outb_p(pc87413_time, swc_base_addr + WDTO); - #ifdef DEBUG printk(KERN_INFO DPFX "Set WDTO to %d minutes\n", pc87413_time); #endif @@ -170,9 +166,7 @@ static inline void pc87413_programm_wdto static inline void pc87413_enable_wden(unsigned int swc_base_addr) { /* Step 6: Enable WDEN */ - - outb_p(inb (swc_base_addr + WDCTL) | 0x01, swc_base_addr + WDCTL); - + outb_p(inb(swc_base_addr + WDCTL) | 0x01, swc_base_addr + WDCTL); #ifdef DEBUG printk(KERN_INFO DPFX "Enable WDEN\n"); #endif @@ -182,9 +176,7 @@ static inline void pc87413_enable_wden(u static inline void pc87413_enable_sw_wd_tren(unsigned int swc_base_addr) { /* Enable SW_WD_TREN */ - - outb_p(inb (swc_base_addr + WDCFG) | 0x80, swc_base_addr + WDCFG); - + outb_p(inb(swc_base_addr + WDCFG) | 0x80, swc_base_addr + WDCFG); #ifdef DEBUG printk(KERN_INFO DPFX "Enable SW_WD_TREN\n"); #endif @@ -195,9 +187,7 @@ static inline void pc87413_enable_sw_wd_ static inline void pc87413_disable_sw_wd_tren(unsigned int swc_base_addr) { /* Disable SW_WD_TREN */ - - outb_p(inb (swc_base_addr + WDCFG) & 0x7f, swc_base_addr + WDCFG); - + outb_p(inb(swc_base_addr + WDCFG) & 0x7f, swc_base_addr + WDCFG); #ifdef DEBUG printk(KERN_INFO DPFX "pc87413 - Disable SW_WD_TREN\n"); #endif @@ -208,9 +198,7 @@ static inline void pc87413_disable_sw_wd static inline void pc87413_enable_sw_wd_trg(unsigned int swc_base_addr) { /* Enable SW_WD_TRG */ - - outb_p(inb (swc_base_addr + WDCTL) | 0x80, swc_base_addr + WDCTL); - + outb_p(inb(swc_base_addr + WDCTL) | 0x80, swc_base_addr + WDCTL); #ifdef DEBUG printk(KERN_INFO DPFX "pc87413 - Enable SW_WD_TRG\n"); #endif @@ -221,9 +209,7 @@ static inline void pc87413_enable_sw_wd_ static inline void pc87413_disable_sw_wd_trg(unsigned int swc_base_addr) { /* Disable SW_WD_TRG */ - - outb_p(inb (swc_base_addr + WDCTL) & 0x7f, swc_base_addr + WDCTL); - + outb_p(inb(swc_base_addr + WDCTL) & 0x7f, swc_base_addr + WDCTL); #ifdef DEBUG printk(KERN_INFO DPFX "Disable SW_WD_TRG\n"); #endif @@ -314,8 +300,8 @@ static int pc87413_open(struct inode *in /* Reload and activate timer */ pc87413_refresh(); - printk(KERN_INFO MODNAME "Watchdog enabled. Timeout set to" - " %d minute(s).\n", timeout); + printk(KERN_INFO MODNAME + "Watchdog enabled. Timeout set to %d minute(s).\n", timeout); return nonseekable_open(inode, file); } @@ -338,17 +324,15 @@ static int pc87413_release(struct inode if (expect_close == 42) { pc87413_disable(); - printk(KERN_INFO MODNAME "Watchdog disabled," - " sleeping again...\n"); + printk(KERN_INFO MODNAME + "Watchdog disabled, sleeping again...\n"); } else { - printk(KERN_CRIT MODNAME "Unexpected close, not stopping" - " watchdog!\n"); + printk(KERN_CRIT MODNAME + "Unexpected close, not stopping watchdog!\n"); pc87413_refresh(); } - clear_bit(0, &timer_enabled); expect_close = 0; - return 0; } @@ -386,7 +370,8 @@ static ssize_t pc87413_write(struct file /* reset expect flag */ expect_close = 0; - /* scan to see whether or not we got the magic character */ + /* scan to see whether or not we got the + magic character */ for (i = 0; i != len; i++) { char c; if (get_user(c, data+i)) @@ -404,7 +389,6 @@ static ssize_t pc87413_write(struct file /** * pc87413_ioctl: - * @inode: inode of the device * @file: file handle to the device * @cmd: watchdog command * @arg: argument pointer @@ -414,8 +398,8 @@ static ssize_t pc87413_write(struct file * querying capabilities and current status. */ -static int pc87413_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long pc87413_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { int new_timeout; @@ -426,75 +410,58 @@ static int pc87413_ioctl(struct inode *i static struct watchdog_info ident = { .options = WDIOF_KEEPALIVEPING | - WDIOF_SETTIMEOUT | - WDIOF_MAGICCLOSE, + WDIOF_SETTIMEOUT | + WDIOF_MAGICCLOSE, .firmware_version = 1, .identity = "PC87413(HF/F) watchdog" }; uarg.i = (int __user *)arg; - switch(cmd) { - default: - return -ENOTTY; - - case WDIOC_GETSUPPORT: - return copy_to_user(uarg.ident, &ident, - sizeof(ident)) ? -EFAULT : 0; - - case WDIOC_GETSTATUS: - return put_user(pc87413_status(), uarg.i); - - case WDIOC_GETBOOTSTATUS: - return put_user(0, uarg.i); - - case WDIOC_KEEPALIVE: - pc87413_refresh(); + switch (cmd) { + case WDIOC_GETSUPPORT: + return copy_to_user(uarg.ident, &ident, + sizeof(ident)) ? -EFAULT : 0; + case WDIOC_GETSTATUS: + return put_user(pc87413_status(), uarg.i); + case WDIOC_GETBOOTSTATUS: + return put_user(0, uarg.i); + case WDIOC_KEEPALIVE: + pc87413_refresh(); #ifdef DEBUG - printk(KERN_INFO DPFX "keepalive\n"); + printk(KERN_INFO DPFX "keepalive\n"); #endif - return 0; - - case WDIOC_SETTIMEOUT: - if (get_user(new_timeout, uarg.i)) - return -EFAULT; - - // the API states this is given in secs - new_timeout /= 60; - - if (new_timeout < 0 || new_timeout > MAX_TIMEOUT) - return -EINVAL; - - timeout = new_timeout; - pc87413_refresh(); - - // fall through and return the new timeout... - - case WDIOC_GETTIMEOUT: - - new_timeout = timeout * 60; - - return put_user(new_timeout, uarg.i); - - case WDIOC_SETOPTIONS: - { - int options, retval = -EINVAL; - - if (get_user(options, uarg.i)) - return -EFAULT; - - if (options & WDIOS_DISABLECARD) { - pc87413_disable(); - retval = 0; - } - - if (options & WDIOS_ENABLECARD) { - pc87413_enable(); - retval = 0; - } - - return retval; + return 0; + case WDIOC_SETTIMEOUT: + if (get_user(new_timeout, uarg.i)) + return -EFAULT; + /* the API states this is given in secs */ + new_timeout /= 60; + if (new_timeout < 0 || new_timeout > MAX_TIMEOUT) + return -EINVAL; + timeout = new_timeout; + pc87413_refresh(); + /* fall through and return the new timeout... */ + case WDIOC_GETTIMEOUT: + new_timeout = timeout * 60; + return put_user(new_timeout, uarg.i); + case WDIOC_SETOPTIONS: + { + int options, retval = -EINVAL; + if (get_user(options, uarg.i)) + return -EFAULT; + if (options & WDIOS_DISABLECARD) { + pc87413_disable(); + retval = 0; } + if (options & WDIOS_ENABLECARD) { + pc87413_enable(); + retval = 0; + } + return retval; + } + default: + return -ENOTTY; } } @@ -517,10 +484,8 @@ static int pc87413_notify_sys(struct not void *unused) { if (code == SYS_DOWN || code == SYS_HALT) - { /* Turn the card off */ pc87413_disable(); - } return NOTIFY_DONE; } @@ -530,18 +495,16 @@ static const struct file_operations pc87 .owner = THIS_MODULE, .llseek = no_llseek, .write = pc87413_write, - .ioctl = pc87413_ioctl, + .unlocked_ioctl = pc87413_ioctl, .open = pc87413_open, .release = pc87413_release, }; -static struct notifier_block pc87413_notifier = -{ +static struct notifier_block pc87413_notifier = { .notifier_call = pc87413_notify_sys, }; -static struct miscdevice pc87413_miscdev= -{ +static struct miscdevice pc87413_miscdev = { .minor = WATCHDOG_MINOR, .name = "watchdog", .fops = &pc87413_fops @@ -561,29 +524,26 @@ static int __init pc87413_init(void) { int ret; - printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n", WDT_INDEX_IO_PORT); + printk(KERN_INFO PFX "Version " VERSION " at io 0x%X\n", + WDT_INDEX_IO_PORT); /* request_region(io, 2, "pc87413"); */ ret = register_reboot_notifier(&pc87413_notifier); if (ret != 0) { - printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n", - ret); + printk(KERN_ERR PFX + "cannot register reboot notifier (err=%d)\n", ret); } ret = misc_register(&pc87413_miscdev); - if (ret != 0) { printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n", WATCHDOG_MINOR, ret); unregister_reboot_notifier(&pc87413_notifier); return ret; } - printk(KERN_INFO PFX "initialized. timeout=%d min \n", timeout); - pc87413_enable(); - return 0; } @@ -600,8 +560,7 @@ static int __init pc87413_init(void) static void __exit pc87413_exit(void) { /* Stop the timer before we leave */ - if (!nowayout) - { + if (!nowayout) { pc87413_disable(); printk(KERN_INFO MODNAME "Watchdog disabled.\n"); } @@ -626,8 +585,12 @@ module_param(io, int, 0); MODULE_PARM_DESC(io, MODNAME " I/O port (default: " __MODULE_STRING(io) ")."); module_param(timeout, int, 0); -MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes (default=" __MODULE_STRING(timeout) ")."); +MODULE_PARM_DESC(timeout, + "Watchdog timeout in minutes (default=" + __MODULE_STRING(timeout) ")."); module_param(nowayout, int, 0); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); +MODULE_PARM_DESC(nowayout, + "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); _ Patches currently in -mm which might be from alan@xxxxxxxxxx are linux-next.patch 8390-split-8390-support-into-a-pausing-and-a-non-pausing-driver-core.patch watchdog-clean-acquirewdt-and-check-for-bkl-dependancies.patch watchdog-clean-up-and-check-advantech-watchdog.patch watchdog-ali-watchdog-locking-and-style.patch watchdog-ar7-watchdog.patch watchdog-atp-watchdog.patch watchdog-at91-watchdog-to-unlocked_ioctl.patch watchdog-cpu5_wdt-switch-to-unlocked_ioctl.patch watchdog-davinci_wdt-unlocked_ioctl-and-check-locking.patch watchdog-ep93xx_wdt-unlocked_ioctl.patch watchdog-eurotechwdt-unlocked_ioctl-code-lock-check-and-tidy.patch watchdog-hpwdt-couple-of-include-cleanups.patch watchdog-ib700wdt-clean-up-and-switch-to-unlocked_ioctl.patch watchdog-i6300esb-style-unlocked_ioctl-cleanup.patch watchdog-ibmasr-coding-style-locking-verify.patch watchdog-indydog-clean-up-and-tidy.patch watchdog-iop-watchdog-switch-to-unlocked_ioctl.patch watchdog-it8712f-unlocked_ioctl.patch watchdog-bfin-watchdog-cleanup-and-unlocked_ioctl.patch watchdog-ixp2000_wdt-clean-up-and-unlocked_ioctl.patch watchdog-ixp4xx_wdt-unlocked_ioctl.patch watchdog-ks8695_wdt-clean-up-coding-style-unlocked_ioctl.patch watchdog-machzwd-clean-up-coding-style-unlocked_ioctl.patch watchdog-mixcomwd-coding-style-locking-unlocked_ioctl.patch watchdog-mpc-watchdog-clean-up-and-locking.patch watchdog-mpcore-watchdog-unlocked_ioctl-and-bkl-work.patch watchdog-mtx-1_wdt-clean-up-coding-style-unlocked-ioctl.patch watchdog-mv64x60_wdt-clean-up-and-locking-checks.patch watchdog-omap_wdt-locking-unlocked_ioctl-tidy.patch watchdog-pc87413_wdt-clean-up-coding-style-unlocked_ioctl.patch watchdog-pcwd-clean-up-unlocked_ioctl-usage.patch watchdog-pnx4008_wdt-unlocked_ioctl-setup.patch watchdog-rm9k_wdt-clean-up.patch watchdog-s3c2410-watchdog-cleanup-and-switch-to-unlocked_ioctl.patch watchdog-sa1100_wdt-switch-to-unlocked_ioctl.patch watchdog-sbc60xxwdt-clean-up-and-switch-to-unlocked_ioctl.patch watchdog-stg7240_wdt-unlocked_ioctl.patch watchdog-sbc8360-clean-up.patch watchdog-sbc_epx_c3_wdt-switch-to-unlocked_ioctl.patch watchdog-sb_wdog-clean-up-and-switch-to-unlocked_ioctl.patch watchdog-sc1200_wdt-clean-up-fix-locking-and-use-unlocked_ioctl.patch watchdog-sc520_wdt-clean-up-and-switch-to-unlocked_ioctl.patch watchdog-scx200_wdt-clean-up-and-switch-to-unlocked_ioctl.patch watchdog-shwdt-coding-style-cleanup-switch-to-unlocked_ioctl.patch watchdog-smsc37b787_wdt-coding-style-switch-to-unlocked_ioctl.patch watchdog-softdog-clean-up-coding-style-and-switch-to-unlocked_ioctl.patch watchdog-txx9-fix-locking-switch-to-unlocked_ioctl.patch watchdog-w83627hf-coding-style-clean-up-and-switch-to-unlocked_ioctl.patch watchdog-w83877f_wdt-clean-up-code-coding-style-switch-to-unlocked_ioctl.patch watchdog-w83977f_wdt-clean-up-coding-style-and-switch-to-unlocked_ioctl.patch watchdog-wafer5823wdt-clean-up-coding-style-switch-to-unlocked_ioctl.patch watchdog-wdrtas-clean-up-coding-style-switch-to-unlocked_ioctl.patch watchdog-wdt285-switch-to-unlocked_ioctl-and-tidy-up-oddments-of-coding-style.patch watchdog-wdt977-clean-up-coding-style-and-switch-to-unlocked_ioctl.patch watchdog-wdt501-pci-clean-up-coding-style-and-switch-to-unlocked_ioctl.patch mm-fix-atomic_t-overflow-in-vm.patch serial-8250_gscc-add-module_license.patch remove-is_tty.patch riscom8-remove-redundant-null-pointer-test.patch unexport-proc_clear_tty.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html