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Message-ID: <2630407.mvXUDI8C0e@eto.sf-tec.de>
Date: Fri, 13 May 2022 19:23:59 +0200
From: Rolf Eike Beer <eike-kernel@...tec.de>
To: Jakub Kicinski <kuba@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-parisc@...r.kernel.org,
netdev@...r.kernel.org, Yang Yingliang <yangyingliang@...wei.com>,
davem@...emloft.net, edumazet@...gle.com
Subject: [PATCH v2] net: tulip: convert to devres
Works fine on my HP C3600:
[ 274.452394] tulip0: no phy info, aborting mtable build
[ 274.499041] tulip0: MII transceiver #1 config 1000 status 782d advertising 01e1
[ 274.750691] net eth0: Digital DS21142/43 Tulip rev 65 at MMIO 0xf4008000, 00:30:6e:08:7d:21, IRQ 17
[ 283.104520] net eth0: Setting full-duplex based on MII#1 link partner capability of c1e1
Signed-off-by: Rolf Eike Beer <eike-kernel@...tec.de>
---
drivers/net/ethernet/dec/tulip/eeprom.c | 7 ++-
drivers/net/ethernet/dec/tulip/tulip_core.c | 64 ++++++---------------
2 files changed, 20 insertions(+), 51 deletions(-)
v2: rebased
diff --git a/drivers/net/ethernet/dec/tulip/eeprom.c b/drivers/net/ethernet/dec/tulip/eeprom.c
index ba0a69b363f8..67a67cb78dbb 100644
--- a/drivers/net/ethernet/dec/tulip/eeprom.c
+++ b/drivers/net/ethernet/dec/tulip/eeprom.c
@@ -117,8 +117,8 @@ static void tulip_build_fake_mediatable(struct tulip_private *tp)
0x00, 0x06 /* ttm bit map */
};
- tp->mtable = kmalloc(sizeof(struct mediatable) +
- sizeof(struct medialeaf), GFP_KERNEL);
+ tp->mtable = devm_kmalloc(&tp->pdev->pdev, sizeof(struct mediatable) +
+ sizeof(struct medialeaf), GFP_KERNEL);
if (tp->mtable == NULL)
return; /* Horrible, impossible failure. */
@@ -224,7 +224,8 @@ void tulip_parse_eeprom(struct net_device *dev)
return;
}
- mtable = kmalloc(struct_size(mtable, mleaf, count), GFP_KERNEL);
+ mtable = devm_kmalloc(&tp->pdev->dev, struct_size(mtable, mleaf, count),
+ GFP_KERNEL);
if (mtable == NULL)
return; /* Horrible, impossible failure. */
last_mediatable = tp->mtable = mtable;
diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c
index 0040dcaab945..1a09d3753073 100644
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -1389,7 +1389,7 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
* And back to business
*/
- i = pci_enable_device(pdev);
+ i = pcim_enable_device(pdev);
if (i) {
pr_err("Cannot enable tulip board #%d, aborting\n", board_idx);
return i;
@@ -1398,11 +1398,9 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
irq = pdev->irq;
/* alloc_etherdev ensures aligned and zeroed private structures */
- dev = alloc_etherdev (sizeof (*tp));
- if (!dev) {
- pci_disable_device(pdev);
+ dev = devm_alloc_etherdev(&pdev->dev, sizeof(*tp));
+ if (!dev)
return -ENOMEM;
- }
SET_NETDEV_DEV(dev, &pdev->dev);
if (pci_resource_len (pdev, 0) < tulip_tbl[chip_idx].io_size) {
@@ -1410,18 +1408,18 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_name(pdev),
(unsigned long long)pci_resource_len (pdev, 0),
(unsigned long long)pci_resource_start (pdev, 0));
- goto err_out_free_netdev;
+ return -ENODEV;
}
/* grab all resources from both PIO and MMIO regions, as we
* don't want anyone else messing around with our hardware */
- if (pci_request_regions (pdev, DRV_NAME))
- goto err_out_free_netdev;
+ if (pci_request_regions(pdev, DRV_NAME))
+ return -ENODEV;
- ioaddr = pci_iomap(pdev, TULIP_BAR, tulip_tbl[chip_idx].io_size);
+ ioaddr = pcim_iomap(pdev, TULIP_BAR, tulip_tbl[chip_idx].io_size);
if (!ioaddr)
- goto err_out_free_res;
+ return -ENODEV;
/*
* initialize private data structure 'tp'
@@ -1430,12 +1428,12 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp = netdev_priv(dev);
tp->dev = dev;
- tp->rx_ring = dma_alloc_coherent(&pdev->dev,
- sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
- sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
- &tp->rx_ring_dma, GFP_KERNEL);
+ tp->rx_ring = dmam_alloc_coherent(&pdev->dev,
+ sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
+ &tp->rx_ring_dma, GFP_KERNEL);
if (!tp->rx_ring)
- goto err_out_mtable;
+ return -ENODEV;
tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
@@ -1695,8 +1693,9 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
#endif
dev->ethtool_ops = &ops;
- if (register_netdev(dev))
- goto err_out_free_ring;
+ i = register_netdev(dev);
+ if (i)
+ return i;
pci_set_drvdata(pdev, dev);
@@ -1771,24 +1770,6 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tulip_set_power_state (tp, 0, 1);
return 0;
-
-err_out_free_ring:
- dma_free_coherent(&pdev->dev,
- sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
- sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
- tp->rx_ring, tp->rx_ring_dma);
-
-err_out_mtable:
- kfree (tp->mtable);
- pci_iounmap(pdev, ioaddr);
-
-err_out_free_res:
- pci_release_regions (pdev);
-
-err_out_free_netdev:
- free_netdev (dev);
- pci_disable_device(pdev);
- return -ENODEV;
}
@@ -1888,24 +1869,11 @@ static int __maybe_unused tulip_resume(struct device *dev_d)
static void tulip_remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata (pdev);
- struct tulip_private *tp;
if (!dev)
return;
- tp = netdev_priv(dev);
unregister_netdev(dev);
- dma_free_coherent(&pdev->dev,
- sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
- sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
- tp->rx_ring, tp->rx_ring_dma);
- kfree (tp->mtable);
- pci_iounmap(pdev, tp->base_addr);
- free_netdev (dev);
- pci_release_regions (pdev);
- pci_disable_device(pdev);
-
- /* pci_power_off (pdev, -1); */
}
#ifdef CONFIG_NET_POLL_CONTROLLER
--
2.35.3
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