diff options
-rw-r--r-- | drivers/staging/vme/devices/vme_user.c | 92 |
1 files changed, 45 insertions, 47 deletions
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c index bc16fc070fd3..326991c7d47b 100644 --- a/drivers/staging/vme/devices/vme_user.c +++ b/drivers/staging/vme/devices/vme_user.c @@ -34,8 +34,8 @@ #include <linux/smp_lock.h> #include <linux/types.h> -#include <asm/io.h> -#include <asm/uaccess.h> +#include <linux/io.h> +#include <linux/uaccess.h> #include "../vme.h" #include "vme_user.h" @@ -48,19 +48,19 @@ static int bus_num; /* Currently Documentation/devices.txt defines the following for VME: * * 221 char VME bus - * 0 = /dev/bus/vme/m0 First master image - * 1 = /dev/bus/vme/m1 Second master image - * 2 = /dev/bus/vme/m2 Third master image - * 3 = /dev/bus/vme/m3 Fourth master image - * 4 = /dev/bus/vme/s0 First slave image - * 5 = /dev/bus/vme/s1 Second slave image - * 6 = /dev/bus/vme/s2 Third slave image - * 7 = /dev/bus/vme/s3 Fourth slave image - * 8 = /dev/bus/vme/ctl Control + * 0 = /dev/bus/vme/m0 First master image + * 1 = /dev/bus/vme/m1 Second master image + * 2 = /dev/bus/vme/m2 Third master image + * 3 = /dev/bus/vme/m3 Fourth master image + * 4 = /dev/bus/vme/s0 First slave image + * 5 = /dev/bus/vme/s1 Second slave image + * 6 = /dev/bus/vme/s2 Third slave image + * 7 = /dev/bus/vme/s3 Fourth slave image + * 8 = /dev/bus/vme/ctl Control * - * It is expected that all VME bus drivers will use the - * same interface. For interface documentation see - * http://www.vmelinux.org/. + * It is expected that all VME bus drivers will use the + * same interface. For interface documentation see + * http://www.vmelinux.org/. * * However the VME driver at http://www.vmelinux.org/ is rather old and doesn't * even support the tsi148 chipset (which has 8 master and 8 slave windows). @@ -137,12 +137,12 @@ static int __init vme_user_probe(struct device *, int, int); static int __exit vme_user_remove(struct device *, int, int); static struct file_operations vme_user_fops = { - .open = vme_user_open, - .release = vme_user_release, - .read = vme_user_read, - .write = vme_user_write, - .llseek = vme_user_llseek, - .unlocked_ioctl = vme_user_unlocked_ioctl, + .open = vme_user_open, + .release = vme_user_release, + .read = vme_user_read, + .write = vme_user_write, + .llseek = vme_user_llseek, + .unlocked_ioctl = vme_user_unlocked_ioctl, }; @@ -151,13 +151,13 @@ static struct file_operations vme_user_fops = { */ static void reset_counters(void) { - statistics.reads = 0; - statistics.writes = 0; - statistics.ioctls = 0; - statistics.irqs = 0; - statistics.berrs = 0; - statistics.dmaErrors = 0; - statistics.timeouts = 0; + statistics.reads = 0; + statistics.writes = 0; + statistics.ioctls = 0; + statistics.irqs = 0; + statistics.berrs = 0; + statistics.dmaErrors = 0; + statistics.timeouts = 0; } static int vme_user_open(struct inode *inode, struct file *file) @@ -216,21 +216,20 @@ static ssize_t resource_to_user(int minor, char __user *buf, size_t count, /* We copy to kernel buffer */ copied = vme_master_read(image[minor].resource, image[minor].kern_buf, count, *ppos); - if (copied < 0) { + if (copied < 0) return (int)copied; - } retval = __copy_to_user(buf, image[minor].kern_buf, (unsigned long)copied); if (retval != 0) { copied = (copied - retval); - printk("User copy failed\n"); + printk(KERN_INFO "User copy failed\n"); return -EINVAL; } } else { /* XXX Need to write this */ - printk("Currently don't support large transfers\n"); + printk(KERN_INFO "Currently don't support large transfers\n"); /* Map in pages from userspace */ /* Call vme_master_read to do the transfer */ @@ -264,7 +263,7 @@ static ssize_t resource_from_user(unsigned int minor, const char *buf, image[minor].kern_buf, copied, *ppos); } else { /* XXX Need to write this */ - printk("Currently don't support large transfers\n"); + printk(KERN_INFO "Currently don't support large transfers\n"); /* Map in pages from userspace */ /* Call vme_master_write to do the transfer */ @@ -313,7 +312,7 @@ static ssize_t buffer_from_user(unsigned int minor, const char *buf, } static ssize_t vme_user_read(struct file *file, char *buf, size_t count, - loff_t * ppos) + loff_t *ppos) { unsigned int minor = MINOR(file->f_dentry->d_inode->i_rdev); ssize_t retval; @@ -337,7 +336,7 @@ static ssize_t vme_user_read(struct file *file, char *buf, size_t count, else okcount = count; - switch (type[minor]){ + switch (type[minor]) { case MASTER_MINOR: retval = resource_to_user(minor, buf, okcount, ppos); break; @@ -380,7 +379,7 @@ static ssize_t vme_user_write(struct file *file, const char *buf, size_t count, else okcount = count; - switch (type[minor]){ + switch (type[minor]) { case MASTER_MINOR: retval = resource_from_user(minor, buf, okcount, ppos); break; @@ -571,7 +570,7 @@ vme_user_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) /* * Unallocate a previously allocated buffer */ -static void buf_unalloc (int num) +static void buf_unalloc(int num) { if (image[num].kern_buf) { #ifdef VME_DEBUG @@ -594,8 +593,8 @@ static void buf_unalloc (int num) } static struct vme_driver vme_user_driver = { - .name = driver_name, - .probe = vme_user_probe, + .name = driver_name, + .probe = vme_user_probe, .remove = vme_user_remove, }; @@ -770,16 +769,16 @@ static int __init vme_user_probe(struct device *dev, int cur_bus, int cur_slot) } /* Add sysfs Entries */ - for (i=0; i<VME_DEVS; i++) { + for (i = 0; i < VME_DEVS; i++) { switch (type[i]) { case MASTER_MINOR: - sprintf(name,"bus/vme/m%%d"); + sprintf(name, "bus/vme/m%%d"); break; case CONTROL_MINOR: - sprintf(name,"bus/vme/ctl"); + sprintf(name, "bus/vme/ctl"); break; case SLAVE_MINOR: - sprintf(name,"bus/vme/s%%d"); + sprintf(name, "bus/vme/s%%d"); break; default: err = -EINVAL; @@ -790,9 +789,9 @@ static int __init vme_user_probe(struct device *dev, int cur_bus, int cur_slot) image[i].device = device_create(vme_user_sysfs_class, NULL, MKDEV(VME_MAJOR, i), NULL, name, - (type[i] == SLAVE_MINOR)? i - (MASTER_MAX + 1) : i); + (type[i] == SLAVE_MINOR) ? i - (MASTER_MAX + 1) : i); if (IS_ERR(image[i].device)) { - printk("%s: Error creating sysfs device\n", + printk(KERN_INFO "%s: Error creating sysfs device\n", driver_name); err = PTR_ERR(image[i].device); goto err_sysfs; @@ -804,7 +803,7 @@ static int __init vme_user_probe(struct device *dev, int cur_bus, int cur_slot) /* Ensure counter set correcty to destroy all sysfs devices */ i = VME_DEVS; err_sysfs: - while (i > 0){ + while (i > 0) { i--; device_destroy(vme_user_sysfs_class, MKDEV(VME_MAJOR, i)); } @@ -845,9 +844,8 @@ static int __exit vme_user_remove(struct device *dev, int cur_bus, int cur_slot) int i; /* Remove sysfs Entries */ - for(i=0; i<VME_DEVS; i++) { + for (i = 0; i < VME_DEVS; i++) device_destroy(vme_user_sysfs_class, MKDEV(VME_MAJOR, i)); - } class_destroy(vme_user_sysfs_class); for (i = MASTER_MINOR; i < (MASTER_MAX + 1); i++) |