staging: comedi: das08_cs: refactor the pcmcia probe/remove
Move the pcmcia_disable_device() call where needed in the pcmcia
probe/remove and delete the das08_pcmcia_release() function.
Move the logic of the das08_pcmcia_config() directly into the
probe function and properly return an error code when the config
fails.
Only set cur_dev, used by the comedi_driver, if the pcmcia probe
is successful. Also, make sure to NULL it in the remove.
Remove all the kernel messages in the pcmcia support code. They
are just added noise.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/das08_cs.c b/drivers/staging/comedi/drivers/das08_cs.c
index d02250e..f2f33e1 100644
--- a/drivers/staging/comedi/drivers/das08_cs.c
+++ b/drivers/staging/comedi/drivers/das08_cs.c
@@ -104,12 +104,6 @@
return das08_common_attach(dev, iobase);
}
-static void das08_pcmcia_release(struct pcmcia_device *link)
-{
- dev_dbg(&link->dev, "das08_pcmcia_release\n");
- pcmcia_disable_device(link);
-}
-
static int das08_pcmcia_config_loop(struct pcmcia_device *p_dev,
void *priv_data)
{
@@ -119,19 +113,15 @@
return pcmcia_request_io(p_dev);
}
-static void das08_pcmcia_config(struct pcmcia_device *link)
+static int das08_pcmcia_attach(struct pcmcia_device *link)
{
int ret;
- dev_dbg(&link->dev, "das08_pcmcia_config\n");
-
link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
ret = pcmcia_loop_config(link, das08_pcmcia_config_loop, NULL);
- if (ret) {
- dev_warn(&link->dev, "no configuration found\n");
+ if (ret)
goto failed;
- }
if (!link->irq)
goto failed;
@@ -140,30 +130,18 @@
if (ret)
goto failed;
- return;
+ cur_dev = link;
+ return 0;
failed:
- das08_pcmcia_release(link);
-
-}
-
-static int das08_pcmcia_attach(struct pcmcia_device *link)
-{
- dev_dbg(&link->dev, "das08_pcmcia_attach()\n");
-
- cur_dev = link;
-
- das08_pcmcia_config(link);
-
- return 0;
+ pcmcia_disable_device(link);
+ return ret;
}
static void das08_pcmcia_detach(struct pcmcia_device *link)
{
-
- dev_dbg(&link->dev, "das08_pcmcia_detach\n");
-
- das08_pcmcia_release(link);
+ pcmcia_disable_device(link);
+ cur_dev = NULL;
}
static const struct pcmcia_device_id das08_cs_id_table[] = {