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s390/pci: use macro for attribute creation 

Introduce the zpci_attr macro to create read only sysfs attributes
to avoid duplicate code.

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 16:10:18 +02:00 committed by Martin Schwidefsky
parent ca25f564c4
commit b346953dda
1 changed files with 15 additions and 36 deletions
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51
arch/s390/pci/pci_sysfs.c
View File

@ -12,43 +12,22 @@
#include <linux/stat.h>
#include <linux/pci.h>
static ssize_t show_fid(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
#define zpci_attr(name, fmt, member) \
static ssize_t name##_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); \
\
return sprintf(buf, fmt, zdev->member); \
} \
static DEVICE_ATTR_RO(name)
return sprintf(buf, "0x%08x\n", zdev->fid);
}
static DEVICE_ATTR(function_id, S_IRUGO, show_fid, NULL);
zpci_attr(function_id, "0x%08x\n", fid);
zpci_attr(function_handle, "0x%08x\n", fh);
zpci_attr(pchid, "0x%04x\n", pchid);
zpci_attr(pfgid, "0x%02x\n", pfgid);
static ssize_t show_fh(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
return sprintf(buf, "0x%08x\n", zdev->fh);
}
static DEVICE_ATTR(function_handle, S_IRUGO, show_fh, NULL);
static ssize_t show_pchid(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
return sprintf(buf, "0x%04x\n", zdev->pchid);
}
static DEVICE_ATTR(pchid, S_IRUGO, show_pchid, NULL);
static ssize_t show_pfgid(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
return sprintf(buf, "0x%02x\n", zdev->pfgid);
}
static DEVICE_ATTR(pfgid, S_IRUGO, show_pfgid, NULL);
static ssize_t store_recover(struct device *dev, struct device_attribute *attr,
static ssize_t recover_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct pci_dev *pdev = to_pci_dev(dev);
@ -70,7 +49,7 @@ static ssize_t store_recover(struct device *dev, struct device_attribute *attr,
pci_rescan_bus(zdev->bus);
return count;
}
static DEVICE_ATTR(recover, S_IWUSR, NULL, store_recover);
static DEVICE_ATTR_WO(recover);
static struct device_attribute *zpci_dev_attrs[] = {
&dev_attr_function_id,