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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>
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1 changed files with 15 additions and 36 deletions
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@ -12,43 +12,22 @@
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#include <linux/stat.h>
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#include <linux/pci.h>
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static ssize_t show_fid(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
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#define zpci_attr(name, fmt, member) \
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static ssize_t name##_show(struct device *dev, \
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struct device_attribute *attr, char *buf) \
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{ \
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struct zpci_dev *zdev = get_zdev(to_pci_dev(dev)); \
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\
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return sprintf(buf, fmt, zdev->member); \
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} \
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static DEVICE_ATTR_RO(name)
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return sprintf(buf, "0x%08x\n", zdev->fid);
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}
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static DEVICE_ATTR(function_id, S_IRUGO, show_fid, NULL);
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zpci_attr(function_id, "0x%08x\n", fid);
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zpci_attr(function_handle, "0x%08x\n", fh);
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zpci_attr(pchid, "0x%04x\n", pchid);
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zpci_attr(pfgid, "0x%02x\n", pfgid);
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static ssize_t show_fh(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
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return sprintf(buf, "0x%08x\n", zdev->fh);
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}
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static DEVICE_ATTR(function_handle, S_IRUGO, show_fh, NULL);
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static ssize_t show_pchid(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
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return sprintf(buf, "0x%04x\n", zdev->pchid);
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}
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static DEVICE_ATTR(pchid, S_IRUGO, show_pchid, NULL);
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static ssize_t show_pfgid(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct zpci_dev *zdev = get_zdev(to_pci_dev(dev));
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return sprintf(buf, "0x%02x\n", zdev->pfgid);
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}
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static DEVICE_ATTR(pfgid, S_IRUGO, show_pfgid, NULL);
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static ssize_t store_recover(struct device *dev, struct device_attribute *attr,
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static ssize_t recover_store(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pci_dev *pdev = to_pci_dev(dev);
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@ -70,7 +49,7 @@ static ssize_t store_recover(struct device *dev, struct device_attribute *attr,
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pci_rescan_bus(zdev->bus);
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return count;
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}
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static DEVICE_ATTR(recover, S_IWUSR, NULL, store_recover);
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static DEVICE_ATTR_WO(recover);
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static struct device_attribute *zpci_dev_attrs[] = {
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&dev_attr_function_id,
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