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| author | Varka Bhadram <varkabhadram@gmail.com> | 2014-06-11 10:04:44 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-06-11 15:39:19 -0700 |
| commit | 0aaf43f51dc7e7f00029c90d778e895a88a90cc6 (patch) | |
| tree | 7305b494d06963ec9d353c2db2ede64ed7e141e2 /drivers/net | |
| parent | f6479449957750175a2dbd9ddf051c04a072abd6 (diff) | |
| download | linux-0aaf43f51dc7e7f00029c90d778e895a88a90cc6.tar.gz linux-0aaf43f51dc7e7f00029c90d778e895a88a90cc6.tar.bz2 linux-0aaf43f51dc7e7f00029c90d778e895a88a90cc6.zip | |
mrf24j40: add device managed APIs
adds the device managed APIs so that no need worry about
freeing the resources.
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ieee802154/mrf24j40.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/net/ieee802154/mrf24j40.c b/drivers/net/ieee802154/mrf24j40.c index 78a6552ed707..4048062011ba 100644 --- a/drivers/net/ieee802154/mrf24j40.c +++ b/drivers/net/ieee802154/mrf24j40.c @@ -618,12 +618,12 @@ static int mrf24j40_probe(struct spi_device *spi) printk(KERN_INFO "mrf24j40: probe(). IRQ: %d\n", spi->irq); - devrec = kzalloc(sizeof(struct mrf24j40), GFP_KERNEL); + devrec = devm_kzalloc(&spi->dev, sizeof(struct mrf24j40), GFP_KERNEL); if (!devrec) - goto err_devrec; - devrec->buf = kzalloc(3, GFP_KERNEL); + goto err_ret; + devrec->buf = devm_kzalloc(&spi->dev, 3, GFP_KERNEL); if (!devrec->buf) - goto err_buf; + goto err_ret; spi->mode = SPI_MODE_0; /* TODO: Is this appropriate for right here? */ if (spi->max_speed_hz > MAX_SPI_SPEED_HZ) @@ -638,7 +638,7 @@ static int mrf24j40_probe(struct spi_device *spi) devrec->dev = ieee802154_alloc_device(0, &mrf24j40_ops); if (!devrec->dev) - goto err_alloc_dev; + goto err_ret; devrec->dev->priv = devrec; devrec->dev->parent = &devrec->spi->dev; @@ -676,12 +676,13 @@ static int mrf24j40_probe(struct spi_device *spi) val &= ~0x3; /* Clear RX mode (normal) */ write_short_reg(devrec, REG_RXMCR, val); - ret = request_threaded_irq(spi->irq, - NULL, - mrf24j40_isr, - IRQF_TRIGGER_LOW|IRQF_ONESHOT, - dev_name(&spi->dev), - devrec); + ret = devm_request_threaded_irq(&spi->dev, + spi->irq, + NULL, + mrf24j40_isr, + IRQF_TRIGGER_LOW|IRQF_ONESHOT, + dev_name(&spi->dev), + devrec); if (ret) { dev_err(printdev(devrec), "Unable to get IRQ"); @@ -695,11 +696,7 @@ err_read_reg: ieee802154_unregister_device(devrec->dev); err_register_device: ieee802154_free_device(devrec->dev); -err_alloc_dev: - kfree(devrec->buf); -err_buf: - kfree(devrec); -err_devrec: +err_ret: return ret; } @@ -709,15 +706,11 @@ static int mrf24j40_remove(struct spi_device *spi) dev_dbg(printdev(devrec), "remove\n"); - free_irq(spi->irq, devrec); ieee802154_unregister_device(devrec->dev); ieee802154_free_device(devrec->dev); /* TODO: Will ieee802154_free_device() wait until ->xmit() is * complete? */ - /* Clean up the SPI stuff. */ - kfree(devrec->buf); - kfree(devrec); return 0; } |