From b346953ddac0d57d4852ddc2b5cd9e16c84ddd59 Mon Sep 17 00:00:00 2001 From: Sebastian Ott Date: Wed, 16 Apr 2014 16:10:18 +0200 Subject: [PATCH] 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 Signed-off-by: Sebastian Ott Signed-off-by: Martin Schwidefsky --- arch/s390/pci/pci_sysfs.c | 55 ++++++++++++--------------------------- 1 file changed, 17 insertions(+), 38 deletions(-) diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c index ab4a91393005..ebe2c1648fb5 100644 --- a/arch/s390/pci/pci_sysfs.c +++ b/arch/s390/pci/pci_sysfs.c @@ -12,43 +12,22 @@ #include #include -static ssize_t show_fid(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->fid); -} -static DEVICE_ATTR(function_id, S_IRUGO, show_fid, NULL); - -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, +#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) + +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 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, -- 2.20.1