From: Rolf Eike Beer <eike-kernel@sf-tec•de>
To: netdev@vger•kernel.org
Cc: Sean Anderson <seanga2@gmail•com>
Subject: [PATCH 4/4 v2] sunhme: switch to devres
Date: Mon, 29 Aug 2022 15:22:06 +0200 [thread overview]
Message-ID: <5854720.lOV4Wx5bFT@eto.sf-tec.de> (raw)
In-Reply-To: <11922663.O9o76ZdvQC@eto.sf-tec.de>
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec•de>
---
drivers/net/ethernet/sun/sunhme.c | 60 +++++++++----------------------
1 file changed, 17 insertions(+), 43 deletions(-)
v2:
-return -EBUSY in case the PCI region can't be requested
diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index eebe8c5f480c..df6e630a5024 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2933,7 +2933,6 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
struct happy_meal *hp;
struct net_device *dev;
void __iomem *hpreg_base;
- unsigned long hpreg_res;
int i, qfe_slot = -1;
char prom_name[64];
u8 addr[ETH_ALEN];
@@ -2950,7 +2949,7 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
strcpy(prom_name, "SUNW,hme");
#endif
- err = pci_enable_device(pdev);
+ err = pcim_enable_device(pdev);
if (err)
goto err_out;
@@ -2968,10 +2967,11 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
goto err_out;
}
- dev = alloc_etherdev(sizeof(struct happy_meal));
- err = -ENOMEM;
- if (!dev)
+ dev = devm_alloc_etherdev(&pdev->dev, sizeof(struct happy_meal));
+ if (!dev) {
+ err = -ENOMEM;
goto err_out;
+ }
SET_NETDEV_DEV(dev, &pdev->dev);
if (hme_version_printed++ == 0)
@@ -2990,21 +2990,24 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
qp->happy_meals[qfe_slot] = dev;
}
- hpreg_res = pci_resource_start(pdev, 0);
- err = -ENODEV;
if ((pci_resource_flags(pdev, 0) & IORESOURCE_IO) != 0) {
printk(KERN_ERR "happymeal(PCI): Cannot find proper PCI device base address.\n");
goto err_out_clear_quattro;
}
- if (pci_request_regions(pdev, DRV_NAME)) {
+
+ if (!devm_request_region(&pdev->dev, pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0),
+ DRV_NAME)) {
printk(KERN_ERR "happymeal(PCI): Cannot obtain PCI resources, "
"aborting.\n");
+ err = -EBUSY;
goto err_out_clear_quattro;
}
- if ((hpreg_base = ioremap(hpreg_res, 0x8000)) == NULL) {
+ hpreg_base = pcim_iomap(pdev, 0, 0x8000);
+ if (!hpreg_base) {
printk(KERN_ERR "happymeal(PCI): Unable to remap card memory.\n");
- goto err_out_free_res;
+ goto err_out_clear_quattro;
}
for (i = 0; i < 6; i++) {
@@ -3070,11 +3073,10 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
hp->happy_bursts = DMA_BURSTBITS;
#endif
- hp->happy_block = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
+ hp->happy_block = dmam_alloc_coherent(&pdev->dev, PAGE_SIZE,
&hp->hblock_dvma, GFP_KERNEL);
- err = -ENODEV;
if (!hp->happy_block)
- goto err_out_iounmap;
+ goto err_out_clear_quattro;
hp->linkcheck = 0;
hp->timer_state = asleep;
@@ -3108,11 +3110,11 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
happy_meal_set_initial_advertisement(hp);
spin_unlock_irq(&hp->happy_lock);
- err = register_netdev(hp->dev);
+ err = devm_register_netdev(&pdev->dev, dev);
if (err) {
printk(KERN_ERR "happymeal(PCI): Cannot register net device, "
"aborting.\n");
- goto err_out_free_coherent;
+ goto err_out_clear_quattro;
}
pci_set_drvdata(pdev, hp);
@@ -3145,41 +3147,14 @@ static int happy_meal_pci_probe(struct pci_dev *pdev,
return 0;
-err_out_free_coherent:
- dma_free_coherent(hp->dma_dev, PAGE_SIZE,
- hp->happy_block, hp->hblock_dvma);
-
-err_out_iounmap:
- iounmap(hp->gregs);
-
-err_out_free_res:
- pci_release_regions(pdev);
-
err_out_clear_quattro:
if (qp != NULL)
qp->happy_meals[qfe_slot] = NULL;
- free_netdev(dev);
-
err_out:
return err;
}
-static void happy_meal_pci_remove(struct pci_dev *pdev)
-{
- struct happy_meal *hp = pci_get_drvdata(pdev);
- struct net_device *net_dev = hp->dev;
-
- unregister_netdev(net_dev);
-
- dma_free_coherent(hp->dma_dev, PAGE_SIZE,
- hp->happy_block, hp->hblock_dvma);
- iounmap(hp->gregs);
- pci_release_regions(hp->happy_dev);
-
- free_netdev(net_dev);
-}
-
static const struct pci_device_id happymeal_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_HAPPYMEAL) },
{ } /* Terminating entry */
@@ -3191,7 +3166,6 @@ static struct pci_driver hme_pci_driver = {
.name = "hme",
.id_table = happymeal_pci_ids,
.probe = happy_meal_pci_probe,
- .remove = happy_meal_pci_remove,
};
static int __init happy_meal_pci_init(void)
--
2.35.3
next prev parent reply other threads:[~2022-08-29 13:25 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-03 16:20 sunhme: some cleanups Rolf Eike Beer
2022-02-03 16:21 ` [PATCH 1/3] sunhme: remove unused tx_dump_ring() Rolf Eike Beer
2022-07-27 3:42 ` Sean Anderson
2022-02-03 16:22 ` [PATCH 2/3] sunhme: fix the version number in struct ethtool_drvinfo Rolf Eike Beer
2022-02-03 17:12 ` Andrew Lunn
2022-02-05 11:27 ` Rolf Eike Beer
2022-02-05 14:48 ` Andrew Lunn
2022-02-05 15:57 ` Rolf Eike Beer
2022-02-05 16:32 ` Andrew Lunn
2022-02-03 21:53 ` Jakub Kicinski
2022-02-14 18:33 ` [PATCH 2/3 v2] " Rolf Eike Beer
2022-02-03 16:23 ` [PATCH 3/3] sunhme: forward the error code from pci_enable_device() Rolf Eike Beer
2022-07-27 3:48 ` Sean Anderson
2022-02-14 18:31 ` [PATCH 4/x] sunhme: switch to devres Rolf Eike Beer
2022-07-27 3:49 ` Sean Anderson
2022-07-27 3:58 ` Sean Anderson
2022-07-28 19:52 ` Rolf Eike Beer
2022-07-29 0:33 ` Sean Anderson
2022-08-01 15:14 ` Rolf Eike Beer
2022-08-24 15:45 ` Rolf Eike Beer
2022-08-24 15:57 ` Sean Anderson
2022-08-29 13:22 ` Rolf Eike Beer [this message]
2022-08-30 0:16 ` [PATCH 4/4 v2] " Jakub Kicinski
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