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s390/pci: use pdev->dev.groups for attribute creation

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Let the driver core handle attribute creation by putting all s390
specific pci attributes in an attribute group which is referenced
by pdev->dev.groups in pcibios_add_device.

Link: https://lkml.kernel.org/r/alpine.LFD.2.11.1404141101500.1529@denkbrett
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2014-04-16 16:11:00 +02:00 committed by Martin Schwidefsky
parent b346953dda
commit 93065d045a
3 changed files with 16 additions and 40 deletions
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6
arch/s390/include/asm/pci.h
View File

@ -120,6 +120,8 @@ static inline bool zdev_enabled(struct zpci_dev *zdev)
return (zdev->fh & (1UL << 31)) ? true : false;
}
extern const struct attribute_group *zpci_attr_groups[];
/* -----------------------------------------------------------------------------
Prototypes
----------------------------------------------------------------------------- */
@ -166,10 +168,6 @@ static inline void zpci_exit_slot(struct zpci_dev *zdev) {}
struct zpci_dev *get_zdev(struct pci_dev *);
struct zpci_dev *get_zdev_by_fid(u32);
/* sysfs */
int zpci_sysfs_add_device(struct device *);
void zpci_sysfs_remove_device(struct device *);
/* DMA */
int zpci_dma_init(void);
void zpci_dma_exit(void);

6
arch/s390/pci/pci.c
View File

@ -530,11 +530,6 @@ static void zpci_unmap_resources(struct zpci_dev *zdev)
}
}
int pcibios_add_platform_entries(struct pci_dev *pdev)
{
return zpci_sysfs_add_device(&pdev->dev);
}
static int __init zpci_irq_init(void)
{
int rc;
@ -671,6 +666,7 @@ int pcibios_add_device(struct pci_dev *pdev)
int i;
zdev->pdev = pdev;
pdev->dev.groups = zpci_attr_groups;
zpci_map_resources(zdev);
for (i = 0; i < PCI_BAR_COUNT; i++) {

44
arch/s390/pci/pci_sysfs.c
View File

@ -51,36 +51,18 @@ static ssize_t recover_store(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_WO(recover);
static struct device_attribute *zpci_dev_attrs[] = {
&dev_attr_function_id,
&dev_attr_function_handle,
&dev_attr_pchid,
&dev_attr_pfgid,
&dev_attr_recover,
static struct attribute *zpci_dev_attrs[] = {
&dev_attr_function_id.attr,
&dev_attr_function_handle.attr,
&dev_attr_pchid.attr,
&dev_attr_pfgid.attr,
&dev_attr_recover.attr,
NULL,
};
static struct attribute_group zpci_attr_group = {
.attrs = zpci_dev_attrs,
};
const struct attribute_group *zpci_attr_groups[] = {
&zpci_attr_group,
NULL,
};
int zpci_sysfs_add_device(struct device *dev)
{
int i, rc = 0;
for (i = 0; zpci_dev_attrs[i]; i++) {
rc = device_create_file(dev, zpci_dev_attrs[i]);
if (rc)
goto error;
}
return 0;
error:
while (--i >= 0)
device_remove_file(dev, zpci_dev_attrs[i]);
return rc;
}
void zpci_sysfs_remove_device(struct device *dev)
{
int i;
for (i = 0; zpci_dev_attrs[i]; i++)
device_remove_file(dev, zpci_dev_attrs[i]);
}