[dpdk-dev] [PATCH v2 7/9] pci: remove driver lookup from detach
David Marchand
david.marchand at 6wind.com
Fri Jan 29 15:49:11 CET 2016
A device is linked to a driver at probe time.
When detaching, we should call this same driver detach() function and no
need for a driver lookup.
Signed-off-by: David Marchand <david.marchand at 6wind.com>
---
Changes since v1:
- moved some logs for consistency
---
lib/librte_eal/common/eal_common_pci.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 768421a..082eab8 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -256,13 +256,9 @@ pci_probe_device(struct rte_pci_driver *dr, struct rte_pci_device *dev)
* driver.
*/
static int
-pci_detach_device(struct rte_pci_driver *dr, struct rte_pci_device *dev)
+pci_detach_device(struct rte_pci_device *dev)
{
- struct rte_pci_addr *loc = &dev->addr;
-
- RTE_LOG(DEBUG, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
- loc->domain, loc->bus, loc->devid,
- loc->function, dev->numa_node);
+ struct rte_pci_driver *dr = dev->driver;
RTE_LOG(DEBUG, EAL, " remove driver: %x:%x %s\n", dev->id.vendor_id,
dev->id.device_id, dr->name);
@@ -337,20 +333,19 @@ int
rte_eal_pci_detach(const struct rte_pci_addr *addr)
{
struct rte_pci_device *dev;
- struct rte_pci_driver *dr;
if (addr == NULL)
return -1;
dev = pci_find_device(addr);
- if (!dev)
+ if (!dev || !dev->driver)
goto err_return;
- dr = pci_find_driver(dev);
- if (!dr)
- goto err_return;
+ RTE_LOG(DEBUG, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
+ dev->addr.domain, dev->addr.bus, dev->addr.devid,
+ dev->addr.function, dev->numa_node);
- if (pci_detach_device(dr, dev) < 0)
+ if (pci_detach_device(dev) < 0)
goto err_return;
TAILQ_REMOVE(&pci_device_list, dev, next);
--
1.9.1
More information about the dev
mailing list