diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-03-28 20:29:51 +0000 |
commit | ed40d0c472b136682b2fcba05f89762859c7374f (patch) | |
tree | 076b83a26bcd63d6158463735dd34c10bbc591dc /drivers/uio/uio.c | |
parent | 9e495834e59ca9b29f1a1f63b9f5533bb022ac49 (diff) | |
parent | 5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff) |
Merge branch 'origin' into devel
Conflicts:
sound/soc/pxa/pxa2xx-i2s.c
Diffstat (limited to 'drivers/uio/uio.c')
-rw-r--r-- | drivers/uio/uio.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 4ca85a113aa..03efb065455 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -61,6 +61,14 @@ struct uio_map { }; #define to_map(map) container_of(map, struct uio_map, kobj) +static ssize_t map_name_show(struct uio_mem *mem, char *buf) +{ + if (unlikely(!mem->name)) + mem->name = ""; + + return sprintf(buf, "%s\n", mem->name); +} + static ssize_t map_addr_show(struct uio_mem *mem, char *buf) { return sprintf(buf, "0x%lx\n", mem->addr); @@ -82,6 +90,8 @@ struct map_sysfs_entry { ssize_t (*store)(struct uio_mem *, const char *, size_t); }; +static struct map_sysfs_entry name_attribute = + __ATTR(name, S_IRUGO, map_name_show, NULL); static struct map_sysfs_entry addr_attribute = __ATTR(addr, S_IRUGO, map_addr_show, NULL); static struct map_sysfs_entry size_attribute = @@ -90,6 +100,7 @@ static struct map_sysfs_entry offset_attribute = __ATTR(offset, S_IRUGO, map_offset_show, NULL); static struct attribute *attrs[] = { + &name_attribute.attr, &addr_attribute.attr, &size_attribute.attr, &offset_attribute.attr, @@ -133,6 +144,14 @@ struct uio_portio { }; #define to_portio(portio) container_of(portio, struct uio_portio, kobj) +static ssize_t portio_name_show(struct uio_port *port, char *buf) +{ + if (unlikely(!port->name)) + port->name = ""; + + return sprintf(buf, "%s\n", port->name); +} + static ssize_t portio_start_show(struct uio_port *port, char *buf) { return sprintf(buf, "0x%lx\n", port->start); @@ -159,6 +178,8 @@ struct portio_sysfs_entry { ssize_t (*store)(struct uio_port *, const char *, size_t); }; +static struct portio_sysfs_entry portio_name_attribute = + __ATTR(name, S_IRUGO, portio_name_show, NULL); static struct portio_sysfs_entry portio_start_attribute = __ATTR(start, S_IRUGO, portio_start_show, NULL); static struct portio_sysfs_entry portio_size_attribute = @@ -167,6 +188,7 @@ static struct portio_sysfs_entry portio_porttype_attribute = __ATTR(porttype, S_IRUGO, portio_porttype_show, NULL); static struct attribute *portio_attrs[] = { + &portio_name_attribute.attr, &portio_start_attribute.attr, &portio_size_attribute.attr, &portio_porttype_attribute.attr, @@ -686,7 +708,8 @@ static int uio_mmap(struct file *filep, struct vm_area_struct *vma) return -EINVAL; requested_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; - actual_pages = (idev->info->mem[mi].size + PAGE_SIZE -1) >> PAGE_SHIFT; + actual_pages = ((idev->info->mem[mi].addr & ~PAGE_MASK) + + idev->info->mem[mi].size + PAGE_SIZE -1) >> PAGE_SHIFT; if (requested_pages > actual_pages) return -EINVAL; |