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author | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-01-06 12:57:43 (GMT) |
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committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2010-02-17 16:37:30 (GMT) |
commit | 6e7b51a733fde86d3be748543215a69da04d5bb7 (patch) | |
tree | 4c608cf607ef1bb69231f4c67d45a9ac9429e650 /drivers/pcmcia/socket_sysfs.c | |
parent | 4e8804ff6dd1a842d9531c819a0acc9eb3bcfa3b (diff) | |
download | linux-fsl-qoriq-6e7b51a733fde86d3be748543215a69da04d5bb7.tar.xz |
pcmcia: move cistpl.c into pcmcia module
As PCMCIA is the only real user of CIS access functions, include
cistpl.c in the PCMCIA module, not in the PCMCIA & CardBus core
module.
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia/socket_sysfs.c')
-rw-r--r-- | drivers/pcmcia/socket_sysfs.c | 150 |
1 files changed, 1 insertions, 149 deletions
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c index 7a45600..537d793 100644 --- a/drivers/pcmcia/socket_sysfs.c +++ b/drivers/pcmcia/socket_sysfs.c @@ -213,138 +213,6 @@ static ssize_t pccard_store_resource(struct device *dev, } static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); - -static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count) -{ - tuple_t tuple; - int status, i; - loff_t pointer = 0; - ssize_t ret = 0; - u_char *tuplebuffer; - u_char *tempbuffer; - - tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL); - if (!tuplebuffer) - return -ENOMEM; - - tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL); - if (!tempbuffer) { - ret = -ENOMEM; - goto free_tuple; - } - - memset(&tuple, 0, sizeof(tuple_t)); - - tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON; - tuple.DesiredTuple = RETURN_FIRST_TUPLE; - tuple.TupleOffset = 0; - - status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple); - while (!status) { - tuple.TupleData = tuplebuffer; - tuple.TupleDataMax = 255; - memset(tuplebuffer, 0, sizeof(u_char) * 255); - - status = pccard_get_tuple_data(s, &tuple); - if (status) - break; - - if (off < (pointer + 2 + tuple.TupleDataLen)) { - tempbuffer[0] = tuple.TupleCode & 0xff; - tempbuffer[1] = tuple.TupleLink & 0xff; - for (i = 0; i < tuple.TupleDataLen; i++) - tempbuffer[i + 2] = tuplebuffer[i] & 0xff; - - for (i = 0; i < (2 + tuple.TupleDataLen); i++) { - if (((i + pointer) >= off) && - (i + pointer) < (off + count)) { - buf[ret] = tempbuffer[i]; - ret++; - } - } - } - - pointer += 2 + tuple.TupleDataLen; - - if (pointer >= (off + count)) - break; - - if (tuple.TupleCode == CISTPL_END) - break; - status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple); - } - - kfree(tempbuffer); - free_tuple: - kfree(tuplebuffer); - - return ret; -} - -static ssize_t pccard_show_cis(struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - unsigned int size = 0x200; - - if (off >= size) - count = 0; - else { - struct pcmcia_socket *s; - unsigned int chains; - - if (off + count > size) - count = size - off; - - s = to_socket(container_of(kobj, struct device, kobj)); - - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - if (pccard_validate_cis(s, &chains)) - return -EIO; - if (!chains) - return -ENODATA; - - count = pccard_extract_cis(s, buf, off, count); - } - - return count; -} - -static ssize_t pccard_store_cis(struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj)); - int error; - - if (off) - return -EINVAL; - - if (count >= CISTPL_MAX_CIS_SIZE) - return -EINVAL; - - if (!(s->state & SOCKET_PRESENT)) - return -ENODEV; - - error = pcmcia_replace_cis(s, buf, count); - if (error) - return -EIO; - - mutex_lock(&s->skt_mutex); - if ((s->callback) && (s->state & SOCKET_PRESENT) && - !(s->state & SOCKET_CARDBUS)) { - if (try_module_get(s->callback->owner)) { - s->callback->requery(s, 1); - module_put(s->callback->owner); - } - } - mutex_unlock(&s->skt_mutex); - - return count; -} - - static struct attribute *pccard_socket_attributes[] = { &dev_attr_card_type.attr, &dev_attr_card_voltage.attr, @@ -362,28 +230,12 @@ static const struct attribute_group socket_attrs = { .attrs = pccard_socket_attributes, }; -static struct bin_attribute pccard_cis_attr = { - .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR }, - .size = 0x200, - .read = pccard_show_cis, - .write = pccard_store_cis, -}; - int pccard_sysfs_add_socket(struct device *dev) { - int ret = 0; - - ret = sysfs_create_group(&dev->kobj, &socket_attrs); - if (!ret) { - ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr); - if (ret) - sysfs_remove_group(&dev->kobj, &socket_attrs); - } - return ret; + return sysfs_create_group(&dev->kobj, &socket_attrs); } void pccard_sysfs_remove_socket(struct device *dev) { - sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr); sysfs_remove_group(&dev->kobj, &socket_attrs); } |