p54spi: Release GPIO lines and IRQ on error in p54spi_probe

This makes it possible to reload driver if insmod has failed due to
missing firmware.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Max Filippov 2012-03-01 00:40:08 +04:00 коммит произвёл John W. Linville
Родитель 461bc26c93
Коммит 62ebeed8d0
1 изменённых файлов: 10 добавлений и 4 удалений

Просмотреть файл

@ -618,19 +618,19 @@ static int __devinit p54spi_probe(struct spi_device *spi)
ret = spi_setup(spi);
if (ret < 0) {
dev_err(&priv->spi->dev, "spi_setup failed");
goto err_free_common;
goto err_free;
}
ret = gpio_request(p54spi_gpio_power, "p54spi power");
if (ret < 0) {
dev_err(&priv->spi->dev, "power GPIO request failed: %d", ret);
goto err_free_common;
goto err_free;
}
ret = gpio_request(p54spi_gpio_irq, "p54spi irq");
if (ret < 0) {
dev_err(&priv->spi->dev, "irq GPIO request failed: %d", ret);
goto err_free_common;
goto err_free_gpio_power;
}
gpio_direction_output(p54spi_gpio_power, 0);
@ -641,7 +641,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
priv->spi);
if (ret < 0) {
dev_err(&priv->spi->dev, "request_irq() failed");
goto err_free_common;
goto err_free_gpio_irq;
}
irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING);
@ -673,6 +673,12 @@ static int __devinit p54spi_probe(struct spi_device *spi)
return 0;
err_free_common:
free_irq(gpio_to_irq(p54spi_gpio_irq), spi);
err_free_gpio_irq:
gpio_free(p54spi_gpio_irq);
err_free_gpio_power:
gpio_free(p54spi_gpio_power);
err_free:
p54_free_common(priv->hw);
return ret;
}