diff options
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/spi.c')
| -rw-r--r-- | drivers/net/wireless/microchip/wilc1000/spi.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c index 8e9aaf03a6fa..8b180c29d682 100644 --- a/drivers/net/wireless/microchip/wilc1000/spi.c +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -154,34 +154,37 @@ static int wilc_bus_probe(struct spi_device *spi) return -ENOMEM; ret = wilc_cfg80211_init(&wilc, &spi->dev, WILC_HIF_SPI, &wilc_hif_spi); - if (ret) { - kfree(spi_priv); - return ret; - } + if (ret) + goto free; spi_set_drvdata(spi, wilc); wilc->dev = &spi->dev; wilc->bus_data = spi_priv; wilc->dev_irq_num = spi->irq; - wilc->rtc_clk = devm_clk_get(&spi->dev, "rtc"); - if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) { - kfree(spi_priv); - return -EPROBE_DEFER; - } else if (!IS_ERR(wilc->rtc_clk)) - clk_prepare_enable(wilc->rtc_clk); + wilc->rtc_clk = devm_clk_get_optional(&spi->dev, "rtc"); + if (IS_ERR(wilc->rtc_clk)) { + ret = PTR_ERR(wilc->rtc_clk); + goto netdev_cleanup; + } + clk_prepare_enable(wilc->rtc_clk); return 0; + +netdev_cleanup: + wilc_netdev_cleanup(wilc); +free: + kfree(spi_priv); + return ret; } static int wilc_bus_remove(struct spi_device *spi) { struct wilc *wilc = spi_get_drvdata(spi); - if (!IS_ERR(wilc->rtc_clk)) - clk_disable_unprepare(wilc->rtc_clk); - + clk_disable_unprepare(wilc->rtc_clk); wilc_netdev_cleanup(wilc); + return 0; } |