[dpdk-dev] [PATCH v2 2/4] bus/pci: reference driver structure
Rafal Kozik
rk at semihalf.com
Thu Jun 28 15:15:51 CEST 2018
Add pointer to driver structure before calling rte_pci_map_device.
It allows to use driver flags for adjusting configuration.
Signed-off-by: Rafal Kozik <rk at semihalf.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
---
drivers/bus/pci/pci_common.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index d8151b0..8f5d77f 100644
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -158,17 +158,24 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr,
RTE_LOG(INFO, EAL, " probe driver: %x:%x %s\n", dev->id.vendor_id,
dev->id.device_id, dr->driver.name);
+ /*
+ * reference driver structure
+ * This need to be before rte_pci_map_device(), as it enable to use
+ * driver flags for adjusting configuration.
+ */
+ dev->driver = dr;
+ dev->device.driver = &dr->driver;
+
if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) {
/* map resources for devices that use igb_uio */
ret = rte_pci_map_device(dev);
- if (ret != 0)
+ if (ret != 0) {
+ dev->driver = NULL;
+ dev->device.driver = NULL;
return ret;
+ }
}
- /* reference driver structure */
- dev->driver = dr;
- dev->device.driver = &dr->driver;
-
/* call the driver probe() function */
ret = dr->probe(dr, dev);
if (ret) {
--
2.7.4
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