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path: root/drivers/gpio/max7301.c
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Diffstat (limited to 'drivers/gpio/max7301.c')
-rw-r--r--drivers/gpio/max7301.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c
index 39c795ad831..8b24d784db9 100644
--- a/drivers/gpio/max7301.c
+++ b/drivers/gpio/max7301.c
@@ -255,10 +255,6 @@ static int __devinit max7301_probe(struct spi_device *spi)
ts->chip.dev = &spi->dev;
ts->chip.owner = THIS_MODULE;
- ret = gpiochip_add(&ts->chip);
- if (ret)
- goto exit_destroy;
-
/*
* tristate all pins in hardware and cache the
* register values for later use.
@@ -269,17 +265,19 @@ static int __devinit max7301_probe(struct spi_device *spi)
max7301_write(spi, 0x08 + i, 0xAA);
ts->port_config[i] = 0xAA;
for (j = 0; j < 4; j++) {
- int idx = ts->chip.base + (i - 1) * 4 + j;
- ret = gpio_direction_input(idx);
+ int offset = (i - 1) * 4 + j;
+ ret = max7301_direction_input(&ts->chip, offset);
if (ret)
- goto exit_remove;
- gpio_free(idx);
+ goto exit_destroy;
}
}
+
+ ret = gpiochip_add(&ts->chip);
+ if (ret)
+ goto exit_destroy;
+
return ret;
-exit_remove:
- gpiochip_remove(&ts->chip);
exit_destroy:
dev_set_drvdata(&spi->dev, NULL);
mutex_destroy(&ts->lock);
@@ -325,13 +323,15 @@ static int __init max7301_init(void)
{
return spi_register_driver(&max7301_driver);
}
+/* register after spi postcore initcall and before
+ * subsys initcalls that may rely on these GPIOs
+ */
+subsys_initcall(max7301_init);
static void __exit max7301_exit(void)
{
spi_unregister_driver(&max7301_driver);
}
-
-module_init(max7301_init);
module_exit(max7301_exit);
MODULE_AUTHOR("Juergen Beisert");