cleanup danube watchdog timer
SVN-Revision: 9729
This commit is contained in:
parent
9e85885aea
commit
0e17a20d79
1 changed files with 18 additions and 27 deletions
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@ -110,7 +110,7 @@ danube_wdt_disable (void)
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/* passed LPEN or DSEN */
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void
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danube_wdt_low_power_or_debug (int en, int type)
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danube_wdt_enable_feature (int en, int type)
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{
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unsigned int wdt_cr = 0;
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@ -168,28 +168,27 @@ danube_wdt_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
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unsigned long arg)
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{
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int result = 0;
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int en = 0;
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int istatus;
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int pwl, clkdiv;
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static int timeout = -1;
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unsigned int user_arg;
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if ((cmd != DANUBE_WDT_IOC_STOP) && (cmd != DANUBE_WDT_IOC_PING) && (cmd != DANUBE_WDT_IOC_GET_STATUS))
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{
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if (copy_from_user((void *) &user_arg, (void *) arg, sizeof (int)))
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result = -EINVAL;
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}
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switch (cmd)
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{
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case DANUBE_WDT_IOC_START:
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printk("enable watch dog timer!\n");
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if (copy_from_user((void *) &timeout, (void *) arg, sizeof (int)))
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{
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printk ("invalid argument\n");
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result = -EINVAL;
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} else {
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if ((result = danube_wdt_enable (timeout)) < 0)
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timeout = -1;
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}
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if ((result = danube_wdt_enable(user_arg)) < 0)
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timeout = -1;
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else
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timeout = user_arg;
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break;
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case DANUBE_WDT_IOC_STOP:
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printk("disable watch dog timer\n");
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timeout = -1;
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danube_wdt_disable();
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break;
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@ -201,32 +200,24 @@ danube_wdt_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
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break;
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case DANUBE_WDT_IOC_GET_STATUS:
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istatus = readl(DANUBE_BIU_WDT_SR);
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copy_to_user((int *) arg, (int *) &istatus, sizeof (int));
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user_arg = readl(DANUBE_BIU_WDT_SR);
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copy_to_user((int*)arg, (int*)&user_arg, sizeof(int));
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break;
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case DANUBE_WDT_IOC_SET_PWL:
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if (copy_from_user((void *) &pwl, (void *) arg, sizeof (int)))
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result = -EINVAL;
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danube_wdt_prewarning_limit(pwl);
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danube_wdt_prewarning_limit(user_arg);
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break;
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case DANUBE_WDT_IOC_SET_DSEN:
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if (copy_from_user((void *) &en, (void *) arg, sizeof (int)))
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result = -EINVAL;
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danube_wdt_low_power_or_debug(en, DANUBE_BIU_WDT_CR_DSEN);
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danube_wdt_enable_feature(user_arg, DANUBE_BIU_WDT_CR_DSEN);
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break;
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case DANUBE_WDT_IOC_SET_LPEN:
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if (copy_from_user((void *) &en, (void *) arg, sizeof (int)))
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result = -EINVAL;
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danube_wdt_low_power_or_debug(en, DANUBE_BIU_WDT_CR_LPEN);
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danube_wdt_enable_feature(user_arg, DANUBE_BIU_WDT_CR_LPEN);
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break;
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case DANUBE_WDT_IOC_SET_CLKDIV:
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if (copy_from_user((void *) &clkdiv, (void *) arg, sizeof (int)))
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result = -EINVAL;
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danube_wdt_set_clkdiv(clkdiv);
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danube_wdt_set_clkdiv(user_arg);
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break;
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}
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