[PATCH 35/46] PNP: create device attributes via default device attributes

From: Greg Kroah-Hartman
Date: Thu Oct 16 2008 - 13:28:01 EST


From: Drew Moseley <dmoseley@xxxxxxxxxx>

This creates the attributes before the uevent is sent.

Signed-off-by: Drew Moseley <dmoseley@xxxxxxxxxx>
Acked-by: Kay Sievers <kay.sievers@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/pnp/base.h | 2 +-
drivers/pnp/core.c | 10 +---------
drivers/pnp/driver.c | 1 +
drivers/pnp/interface.c | 37 ++++++++-----------------------------
4 files changed, 11 insertions(+), 39 deletions(-)

diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 9fd7bb9..3532984 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -4,6 +4,7 @@
*/

extern spinlock_t pnp_lock;
+extern struct device_attribute pnp_interface_attrs[];
void *pnp_alloc(long size);

int pnp_register_protocol(struct pnp_protocol *protocol);
@@ -16,7 +17,6 @@ struct pnp_card *pnp_alloc_card(struct pnp_protocol *, int id, char *pnpid);

int pnp_add_device(struct pnp_dev *dev);
struct pnp_id *pnp_add_id(struct pnp_dev *dev, char *id);
-int pnp_interface_attach_device(struct pnp_dev *dev);

int pnp_add_card(struct pnp_card *card);
void pnp_remove_card(struct pnp_card *card);
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index a411582..7d65da8 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -159,21 +159,13 @@ struct pnp_dev *pnp_alloc_dev(struct pnp_protocol *protocol, int id, char *pnpid

int __pnp_add_device(struct pnp_dev *dev)
{
- int ret;
-
pnp_fixup_device(dev);
dev->status = PNP_READY;
spin_lock(&pnp_lock);
list_add_tail(&dev->global_list, &pnp_global);
list_add_tail(&dev->protocol_list, &dev->protocol->devices);
spin_unlock(&pnp_lock);
-
- ret = device_register(&dev->dev);
- if (ret)
- return ret;
-
- pnp_interface_attach_device(dev);
- return 0;
+ return device_register(&dev->dev);
}

/*
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index d3f869e..e3f7e89 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -206,6 +206,7 @@ struct bus_type pnp_bus_type = {
.remove = pnp_device_remove,
.suspend = pnp_bus_suspend,
.resume = pnp_bus_resume,
+ .dev_attrs = pnp_interface_attrs,
};

int pnp_register_driver(struct pnp_driver *drv)
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index a876ecf..478a4a7 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -243,8 +243,6 @@ static ssize_t pnp_show_options(struct device *dmdev,
return ret;
}

-static DEVICE_ATTR(options, S_IRUGO, pnp_show_options, NULL);
-
static ssize_t pnp_show_current_resources(struct device *dmdev,
struct device_attribute *attr,
char *buf)
@@ -420,9 +418,6 @@ done:
return count;
}

-static DEVICE_ATTR(resources, S_IRUGO | S_IWUSR,
- pnp_show_current_resources, pnp_set_current_resources);
-
static ssize_t pnp_show_current_ids(struct device *dmdev,
struct device_attribute *attr, char *buf)
{
@@ -437,27 +432,11 @@ static ssize_t pnp_show_current_ids(struct device *dmdev,
return (str - buf);
}

-static DEVICE_ATTR(id, S_IRUGO, pnp_show_current_ids, NULL);
-
-int pnp_interface_attach_device(struct pnp_dev *dev)
-{
- int rc = device_create_file(&dev->dev, &dev_attr_options);
-
- if (rc)
- goto err;
- rc = device_create_file(&dev->dev, &dev_attr_resources);
- if (rc)
- goto err_opt;
- rc = device_create_file(&dev->dev, &dev_attr_id);
- if (rc)
- goto err_res;
-
- return 0;
-
-err_res:
- device_remove_file(&dev->dev, &dev_attr_resources);
-err_opt:
- device_remove_file(&dev->dev, &dev_attr_options);
-err:
- return rc;
-}
+struct device_attribute pnp_interface_attrs[] = {
+ __ATTR(resources, S_IRUGO | S_IWUSR,
+ pnp_show_current_resources,
+ pnp_set_current_resources),
+ __ATTR(options, S_IRUGO, pnp_show_options, NULL),
+ __ATTR(id, S_IRUGO, pnp_show_current_ids, NULL),
+ __ATTR_NULL,
+};
--
1.6.0.2

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