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Date: Mon, 17 Jul 2023 09:59:59 -0700
From: Shannon Nelson <shannon.nelson@....com>
To: <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
<idosch@...sch.org>
CC: <brett.creeley@....com>, <drivers@...sando.io>, Shannon Nelson
<shannon.nelson@....com>
Subject: [PATCH v3 net-next 2/4] ionic: extract common bits from ionic_probe
Pull out some chunks of code from ionic_probe() that will
be common in rebuild paths.
Signed-off-by: Shannon Nelson <shannon.nelson@....com>
---
.../ethernet/pensando/ionic/ionic_bus_pci.c | 85 +++++++++++--------
1 file changed, 49 insertions(+), 36 deletions(-)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
index 2bc3cab3967d..b141a29177df 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
@@ -220,30 +220,12 @@ static void ionic_clear_pci(struct ionic *ionic)
pci_disable_device(ionic->pdev);
}
-static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+static int ionic_setup_one(struct ionic *ionic)
{
- struct device *dev = &pdev->dev;
- struct ionic *ionic;
- int num_vfs;
+ struct pci_dev *pdev = ionic->pdev;
+ struct device *dev = ionic->dev;
int err;
- ionic = ionic_devlink_alloc(dev);
- if (!ionic)
- return -ENOMEM;
-
- ionic->pdev = pdev;
- ionic->dev = dev;
- pci_set_drvdata(pdev, ionic);
- mutex_init(&ionic->dev_cmd_lock);
-
- /* Query system for DMA addressing limitation for the device. */
- err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(IONIC_ADDR_LEN));
- if (err) {
- dev_err(dev, "Unable to obtain 64-bit DMA for consistent allocations, aborting. err=%d\n",
- err);
- goto err_out_clear_drvdata;
- }
-
ionic_debugfs_add_dev(ionic);
/* Setup PCI device */
@@ -258,7 +240,6 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dev_err(dev, "Cannot request PCI regions: %d, aborting\n", err);
goto err_out_clear_pci;
}
-
pcie_print_link_status(pdev);
err = ionic_map_bars(ionic);
@@ -286,24 +267,64 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_teardown;
}
- /* Configure the ports */
+ /* Configure the port */
err = ionic_port_identify(ionic);
if (err) {
dev_err(dev, "Cannot identify port: %d, aborting\n", err);
- goto err_out_reset;
+ goto err_out_teardown;
}
err = ionic_port_init(ionic);
if (err) {
dev_err(dev, "Cannot init port: %d, aborting\n", err);
- goto err_out_reset;
+ goto err_out_teardown;
}
+ return 0;
+
+err_out_teardown:
+ ionic_dev_teardown(ionic);
+err_out_clear_pci:
+ ionic_clear_pci(ionic);
+err_out_debugfs_del_dev:
+ ionic_debugfs_del_dev(ionic);
+
+ return err;
+}
+
+static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct device *dev = &pdev->dev;
+ struct ionic *ionic;
+ int num_vfs;
+ int err;
+
+ ionic = ionic_devlink_alloc(dev);
+ if (!ionic)
+ return -ENOMEM;
+
+ ionic->pdev = pdev;
+ ionic->dev = dev;
+ pci_set_drvdata(pdev, ionic);
+ mutex_init(&ionic->dev_cmd_lock);
+
+ /* Query system for DMA addressing limitation for the device. */
+ err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(IONIC_ADDR_LEN));
+ if (err) {
+ dev_err(dev, "Unable to obtain 64-bit DMA for consistent allocations, aborting. err=%d\n",
+ err);
+ goto err_out;
+ }
+
+ err = ionic_setup_one(ionic);
+ if (err)
+ goto err_out;
+
/* Allocate and init the LIF */
err = ionic_lif_size(ionic);
if (err) {
dev_err(dev, "Cannot size LIF: %d, aborting\n", err);
- goto err_out_port_reset;
+ goto err_out_pci;
}
err = ionic_lif_alloc(ionic);
@@ -354,17 +375,9 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ionic->lif = NULL;
err_out_free_irqs:
ionic_bus_free_irq_vectors(ionic);
-err_out_port_reset:
- ionic_port_reset(ionic);
-err_out_reset:
- ionic_reset(ionic);
-err_out_teardown:
- ionic_dev_teardown(ionic);
-err_out_clear_pci:
+err_out_pci:
ionic_clear_pci(ionic);
-err_out_debugfs_del_dev:
- ionic_debugfs_del_dev(ionic);
-err_out_clear_drvdata:
+err_out:
mutex_destroy(&ionic->dev_cmd_lock);
ionic_devlink_free(ionic);
--
2.17.1
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