[dpdk-dev] [PATCH] igb_uio: use existing PCI macros

[Ferruh Yigit]

To get pci_dev and vf number from dev, benefit from
existing macros in pci.h

Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
 lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c 
b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 87293b8..9f46665 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -66,8 +66,7 @@ static ssize_t
 show_max_vfs(struct device *dev, struct device_attribute *attr,
             char *buf)
 {
-       return snprintf(buf, 10, "%u\n",
-                       pci_num_vf(container_of(dev, struct pci_dev, dev)));
+       return snprintf(buf, 10, "%u\n", dev_num_vf(dev));
 }

 static ssize_t
@@ -76,7 +75,7 @@ store_max_vfs(struct device *dev, struct device_attribute 
*attr,
 {
        int err = 0;
        unsigned long max_vfs;
-       struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
+       struct pci_dev *pdev = to_pci_dev(dev);

        if (0 != kstrtoul(buf, 0, &max_vfs))
                return -EINVAL;
@@ -95,7 +94,7 @@ store_max_vfs(struct device *dev, struct device_attribute 
*attr,
 static ssize_t
 show_extended_tag(struct device *dev, struct device_attribute *attr, char *buf)
 {
-       struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
+       struct pci_dev *pci_dev = to_pci_dev(dev);
        uint32_t val = 0;

        pci_read_config_dword(pci_dev, PCI_DEV_CAP_REG, &val);
@@ -116,7 +115,7 @@ store_extended_tag(struct device *dev,
                   const char *buf,
                   size_t count)
 {
-       struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
+       struct pci_dev *pci_dev = to_pci_dev(dev);
        uint32_t val = 0, enable;

        if (strncmp(buf, "on", 2) == 0)
@@ -153,7 +152,7 @@ show_max_read_request_size(struct device *dev,
                           struct device_attribute *attr,
                           char *buf)
 {
-       struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
+       struct pci_dev *pci_dev = to_pci_dev(dev);
        int val = pcie_get_readrq(pci_dev);

        return snprintf(buf, PCI_SYS_FILE_BUF_SIZE, "%d\n", val);
@@ -165,7 +164,7 @@ store_max_read_request_size(struct device *dev,
                            const char *buf,
                            size_t count)
 {
-       struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
+       struct pci_dev *pci_dev = to_pci_dev(dev);
        unsigned long size = 0;
        int ret;

-- 
1.9.3