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iio: adc: adi-axi-adc: simplify devm_adi_axi_adc_conv_register()

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Use devm_add_action_or_reset() instead of devres_alloc() and
devres_add(), which works the same. This will simplify the
code. There is no functional changes.

Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/1617881896-3164-2-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Yicong Yang 2021-04-08 19:38:10 +08:00 committed by Jonathan Cameron
parent afa2b78f1e
commit 4e023c4dcf
1 changed files with 10 additions and 14 deletions
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24
drivers/iio/adc/adi-axi-adc.c
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@ -202,29 +202,25 @@ static void adi_axi_adc_conv_unregister(struct adi_axi_adc_conv *conv)
kfree(cl);
}
static void devm_adi_axi_adc_conv_release(struct device *dev, void *res)
static void devm_adi_axi_adc_conv_release(void *conv)
{
adi_axi_adc_conv_unregister(*(struct adi_axi_adc_conv **)res);
adi_axi_adc_conv_unregister(conv);
}
struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev,
size_t sizeof_priv)
{
struct adi_axi_adc_conv **ptr, *conv;
ptr = devres_alloc(devm_adi_axi_adc_conv_release, sizeof(*ptr),
GFP_KERNEL);
if (!ptr)
return ERR_PTR(-ENOMEM);
struct adi_axi_adc_conv *conv;
int ret;
conv = adi_axi_adc_conv_register(dev, sizeof_priv);
if (IS_ERR(conv)) {
devres_free(ptr);
return ERR_CAST(conv);
}
if (IS_ERR(conv))
return conv;
*ptr = conv;
devres_add(dev, ptr);
ret = devm_add_action_or_reset(dev, devm_adi_axi_adc_conv_release,
conv);
if (ret)
return ERR_PTR(ret);
return conv;
}