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net: ibm: emac: manage emac_irq with devm

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It's the last to go in remove. Safe to let devm handle it.

Also move request_irq to probe for clarity. It's removed in _remove not
close.

Use dev_err_probe instead of printk. Handles EPROBE_DEFER automatically.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20240912024903.6201-3-rosenp@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Rosen Penev 2024-09-11 19:48:56 -07:00 committed by Jakub Kicinski
parent b9758c4342
commit dcc34ef7c8
1 changed files with 11 additions and 18 deletions
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29
drivers/net/ethernet/ibm/emac/core.c
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@ -1228,18 +1228,10 @@ static void emac_print_link_status(struct emac_instance *dev)
static int emac_open(struct net_device *ndev)
{
struct emac_instance *dev = netdev_priv(ndev);
int err, i;
int i;
DBG(dev, "open" NL);
/* Setup error IRQ handler */
err = request_irq(dev->emac_irq, emac_irq, 0, "EMAC", dev);
if (err) {
printk(KERN_ERR "%s: failed to request IRQ %d\n",
ndev->name, dev->emac_irq);
return err;
}
/* Allocate RX ring */
for (i = 0; i < NUM_RX_BUFF; ++i)
if (emac_alloc_rx_skb(dev, i)) {
@ -1293,8 +1285,6 @@ static int emac_open(struct net_device *ndev)
return 0;
oom:
emac_clean_rx_ring(dev);
free_irq(dev->emac_irq, dev);
return -ENOMEM;
}
@ -1408,8 +1398,6 @@ static int emac_close(struct net_device *ndev)
emac_clean_tx_ring(dev);
emac_clean_rx_ring(dev);
free_irq(dev->emac_irq, dev);
netif_carrier_off(ndev);
return 0;
@ -3082,6 +3070,16 @@ static int emac_probe(struct platform_device *ofdev)
err = -ENODEV;
goto err_gone;
}
/* Setup error IRQ handler */
err = devm_request_irq(&ofdev->dev, dev->emac_irq, emac_irq, 0, "EMAC",
dev);
if (err) {
dev_err_probe(&ofdev->dev, err, "failed to request IRQ %d",
dev->emac_irq);
goto err_gone;
}
ndev->irq = dev->emac_irq;
/* Map EMAC regs */
@ -3237,8 +3235,6 @@ static int emac_probe(struct platform_device *ofdev)
err_irq_unmap:
if (dev->wol_irq)
irq_dispose_mapping(dev->wol_irq);
if (dev->emac_irq)
irq_dispose_mapping(dev->emac_irq);
err_gone:
/* if we were on the bootlist, remove us as we won't show up and
* wake up all waiters to notify them in case they were waiting
@ -3284,9 +3280,6 @@ static void emac_remove(struct platform_device *ofdev)
if (dev->wol_irq)
irq_dispose_mapping(dev->wol_irq);
if (dev->emac_irq)
irq_dispose_mapping(dev->emac_irq);
}
/* XXX Features in here should be replaced by properties... */