bus/pci: remove unused scan by address

The function pci_update_device was used to scan a device
for probing by PCI address.
This private function (and implementations) are unused
since such probing is removed.

Fixes: f3bac43b60da ("bus/pci: remove unused function to probe by address")
Cc: stable@dpdk.org
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: David Marchand <david.marchand@redhat.com>

diff --git a/drivers/bus/pci/bsd/pci.c b/drivers/bus/pci/bsd/pci.c
index 97c6117..4b8a208 100644 (file)
--- a/drivers/bus/pci/bsd/pci.c
+++ b/drivers/bus/pci/bsd/pci.c
@@ -401,55 +401,6 @@ pci_device_iova_mode(const struct rte_pci_driver *pdrv __rte_unused,
        return RTE_IOVA_PA;
 }
 
-int
-pci_update_device(const struct rte_pci_addr *addr)
-{
-       int fd;
-       struct pci_conf matches[2];
-       struct pci_match_conf match = {
-               .pc_sel = {
-                       .pc_domain = addr->domain,
-                       .pc_bus = addr->bus,
-                       .pc_dev = addr->devid,
-                       .pc_func = addr->function,
-               },
-       };
-       struct pci_conf_io conf_io = {
-               .pat_buf_len = 0,
-               .num_patterns = 1,
-               .patterns = &match,
-               .match_buf_len = sizeof(matches),
-               .matches = &matches[0],
-       };
-
-       fd = open("/dev/pci", O_RDONLY);
-       if (fd < 0) {
-               RTE_LOG(ERR, EAL, "%s(): error opening /dev/pci\n", __func__);
-               goto error;
-       }
-
-       if (ioctl(fd, PCIOCGETCONF, &conf_io) < 0) {
-               RTE_LOG(ERR, EAL, "%s(): error with ioctl on /dev/pci: %s\n",
-                               __func__, strerror(errno));
-               goto error;
-       }
-
-       if (conf_io.num_matches != 1)
-               goto error;
-
-       if (pci_scan_one(fd, &matches[0]) < 0)
-               goto error;
-
-       close(fd);
-
-       return 0;
-
-error:
-       if (fd >= 0)
-               close(fd);
-       return -1;
-}
-
 /* Read PCI config space. */
 int rte_pci_read_config(const struct rte_pci_device *dev,
                void *buf, size_t len, off_t offset)

diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
index 619d209..2e1808b 100644 (file)
--- a/drivers/bus/pci/linux/pci.c
+++ b/drivers/bus/pci/linux/pci.c
@@ -397,18 +397,6 @@ pci_scan_one(const char *dirname, const struct rte_pci_addr *addr)
        return 0;
 }
 
-int
-pci_update_device(const struct rte_pci_addr *addr)
-{
-       char filename[PATH_MAX];
-
-       snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT,
-                rte_pci_get_sysfs_path(), addr->domain, addr->bus, addr->devid,
-                addr->function);
-
-       return pci_scan_one(filename, addr);
-}
-
 /*
  * split up a pci address into its constituent parts.
  */

diff --git a/drivers/bus/pci/private.h b/drivers/bus/pci/private.h
index 16f997c..f566943 100644 (file)
--- a/drivers/bus/pci/private.h
+++ b/drivers/bus/pci/private.h
@@ -66,19 +66,6 @@ void rte_pci_add_device(struct rte_pci_device *pci_dev);
 void rte_pci_insert_device(struct rte_pci_device *exist_pci_dev,
                struct rte_pci_device *new_pci_dev);
 
-/**
- * Update a pci device object by asking the kernel for the latest information.
- *
- * This function is private to EAL.
- *
- * @param addr
- *     The PCI Bus-Device-Function address to look for
- * @return
- *   - 0 on success.
- *   - negative on error.
- */
-int pci_update_device(const struct rte_pci_addr *addr);
-
 /**
  * A structure describing a PCI mapping.
  */

diff --git a/drivers/bus/pci/windows/pci.c b/drivers/bus/pci/windows/pci.c
index 10bb0e9..b450346 100644 (file)
--- a/drivers/bus/pci/windows/pci.c
+++ b/drivers/bus/pci/windows/pci.c
@@ -49,17 +49,6 @@ rte_pci_unmap_device(struct rte_pci_device *dev __rte_unused)
         */
 }
 
-int
-pci_update_device(const struct rte_pci_addr *addr __rte_unused)
-{
-       /* This function is not implemented on Windows.
-        * We really should short-circuit the call to these functions by
-        * clearing the RTE_PCI_DRV_NEED_MAPPING flag
-        * in the rte_pci_driver flags.
-        */
-       return 0;
-}
-
 /* Read PCI config space. */
 int
 rte_pci_read_config(const struct rte_pci_device *dev __rte_unused,