提交 62ebeed8 编写于 作者: M Max Filippov 提交者: John W. Linville

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: NMax Filippov <jcmvbkbc@gmail.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: NChristian Lamparter <chunkeey@googlemail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 461bc26c
......@@ -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;
}
......
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