This patch converts the resource management in ISA adlib driver with
devres as a clean up. Each manual resource management is converted
with the corresponding devres helper. The remove callback became
superfluous and dropped.
This should give no user-visible functional changes.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/isa/adlib.c | 28 ++++++----------------------
1 file changed, 6 insertions(+), 22 deletions(-)
diff --git a/sound/isa/adlib.c b/sound/isa/adlib.c
index e6cd7c4da38e..f079ba4ef1a0 100644
--- a/sound/isa/adlib.c
+++ b/sound/isa/adlib.c
@@ -43,30 +43,23 @@ static int snd_adlib_match(struct device *dev, unsigned int n)
return 1;
}
-static void snd_adlib_free(struct snd_card *card)
-{
- release_and_free_resource(card->private_data);
-}
-
static int snd_adlib_probe(struct device *dev, unsigned int n)
{
struct snd_card *card;
struct snd_opl3 *opl3;
int error;
- error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
+ error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
if (error < 0) {
dev_err(dev, "could not create card\n");
return error;
}
- card->private_data = request_region(port[n], 4, CRD_NAME);
+ card->private_data = devm_request_region(dev, port[n], 4, CRD_NAME);
if (!card->private_data) {
dev_err(dev, "could not grab ports\n");
- error = -EBUSY;
- goto out;
+ return -EBUSY;
}
- card->private_free = snd_adlib_free;
strcpy(card->driver, DEV_NAME);
strcpy(card->shortname, CRD_NAME);
@@ -75,37 +68,28 @@ static int snd_adlib_probe(struct device *dev, unsigned int n)
error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
if (error < 0) {
dev_err(dev, "could not create OPL\n");
- goto out;
+ return error;
}
error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
if (error < 0) {
dev_err(dev, "could not create FM\n");
- goto out;
+ return error;
}
error = snd_card_register(card);
if (error < 0) {
dev_err(dev, "could not register card\n");
- goto out;
+ return error;
}
dev_set_drvdata(dev, card);
return 0;
-
-out: snd_card_free(card);
- return error;
-}
-
-static void snd_adlib_remove(struct device *dev, unsigned int n)
-{
- snd_card_free(dev_get_drvdata(dev));
}
static struct isa_driver snd_adlib_driver = {
.match = snd_adlib_match,
.probe = snd_adlib_probe,
- .remove = snd_adlib_remove,
.driver = {
.name = DEV_NAME
--
2.26.2
