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reset: amlogic: aux: get regmap through parent device

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Get regmap directly from the parent device registering the
auxiliary reset driver, instead of using device data attached
to the auxiliary device.

This simplifies the registration a bit.

Suggested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20241209-meson-rst-aux-rework-v1-1-d2afb69cc72e@baylibre.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Jerome Brunet
2024-12-09 17:04:34 +01:00
committed by Philipp Zabel
parent 64de6a3fed
commit ccfba09cee
1 changed files with 12 additions and 24 deletions
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36
drivers/reset/amlogic/reset-meson-aux.c
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@@ -18,14 +18,6 @@
static DEFINE_IDA(meson_rst_aux_ida);
struct meson_reset_adev {
struct auxiliary_device adev;
struct regmap *map;
};
#define to_meson_reset_adev(_adev) \
container_of((_adev), struct meson_reset_adev, adev)
static const struct meson_reset_param meson_a1_audio_param = {
.reset_ops = &meson_reset_toggle_ops,
.reset_num = 32,
@@ -72,10 +64,13 @@ static int meson_reset_aux_probe(struct auxiliary_device *adev,
{
const struct meson_reset_param *param =
(const struct meson_reset_param *)(id->driver_data);
struct meson_reset_adev *raux =
to_meson_reset_adev(adev);
struct regmap *map;
return meson_reset_controller_register(&adev->dev, raux->map, param);
map = dev_get_regmap(adev->dev.parent, NULL);
if (!map)
return -EINVAL;
return meson_reset_controller_register(&adev->dev, map, param);
}
static struct auxiliary_driver meson_reset_aux_driver = {
@@ -87,11 +82,9 @@ module_auxiliary_driver(meson_reset_aux_driver);
static void meson_rst_aux_release(struct device *dev)
{
struct auxiliary_device *adev = to_auxiliary_dev(dev);
struct meson_reset_adev *raux =
to_meson_reset_adev(adev);
ida_free(&meson_rst_aux_ida, adev->id);
kfree(raux);
kfree(adev);
}
static void meson_rst_aux_unregister_adev(void *_adev)
@@ -103,24 +96,19 @@ static void meson_rst_aux_unregister_adev(void *_adev)
}
int devm_meson_rst_aux_register(struct device *dev,
struct regmap *map,
const char *adev_name)
{
struct meson_reset_adev *raux;
struct auxiliary_device *adev;
int ret;
raux = kzalloc(sizeof(*raux), GFP_KERNEL);
if (!raux)
adev = kzalloc(sizeof(*adev), GFP_KERNEL);
if (!adev)
return -ENOMEM;
ret = ida_alloc(&meson_rst_aux_ida, GFP_KERNEL);
if (ret < 0)
goto raux_free;
goto adev_free;
raux->map = map;
adev = &raux->adev;
adev->id = ret;
adev->name = adev_name;
adev->dev.parent = dev;
@@ -142,8 +130,8 @@ int devm_meson_rst_aux_register(struct device *dev,
ida_free:
ida_free(&meson_rst_aux_ida, adev->id);
raux_free:
kfree(raux);
adev_free:
kfree(adev);
return ret;
}
EXPORT_SYMBOL_GPL(devm_meson_rst_aux_register);