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reset: uniphier-glue: Use reset_control_bulk API

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This driver already uses the clk_bulk API. Simplify the driver by using
the reset_control_bulk API as well.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20211215093829.3209416-1-p.zabel@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2021-12-15 10:38:28 +01:00
parent 3123109284
commit 176cae3871
1 changed files with 14 additions and 19 deletions
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33
drivers/reset/reset-uniphier-glue.c
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@ -23,7 +23,7 @@ struct uniphier_glue_reset_soc_data {
struct uniphier_glue_reset_priv {
struct clk_bulk_data clk[MAX_CLKS];
struct reset_control *rst[MAX_RSTS];
struct reset_control_bulk_data rst[MAX_RSTS];
struct reset_simple_data rdata;
const struct uniphier_glue_reset_soc_data *data;
};
@ -34,8 +34,7 @@ static int uniphier_glue_reset_probe(struct platform_device *pdev)
struct uniphier_glue_reset_priv *priv;
struct resource *res;
resource_size_t size;
const char *name;
int i, ret, nr;
int i, ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
@ -58,22 +57,20 @@ static int uniphier_glue_reset_probe(struct platform_device *pdev)
if (ret)
return ret;
for (i = 0; i < priv->data->nrsts; i++) {
name = priv->data->reset_names[i];
priv->rst[i] = devm_reset_control_get_shared(dev, name);
if (IS_ERR(priv->rst[i]))
return PTR_ERR(priv->rst[i]);
}
for (i = 0; i < priv->data->nrsts; i++)
priv->rst[i].id = priv->data->reset_names[i];
ret = devm_reset_control_bulk_get_shared(dev, priv->data->nrsts,
priv->rst);
if (ret)
return ret;
ret = clk_bulk_prepare_enable(priv->data->nclks, priv->clk);
if (ret)
return ret;
for (nr = 0; nr < priv->data->nrsts; nr++) {
ret = reset_control_deassert(priv->rst[nr]);
if (ret)
goto out_rst_assert;
}
ret = reset_control_bulk_deassert(priv->data->nrsts, priv->rst);
if (ret)
goto out_clk_disable;
spin_lock_init(&priv->rdata.lock);
priv->rdata.rcdev.owner = THIS_MODULE;
@ -91,9 +88,9 @@ static int uniphier_glue_reset_probe(struct platform_device *pdev)
return 0;
out_rst_assert:
while (nr--)
reset_control_assert(priv->rst[nr]);
reset_control_bulk_assert(priv->data->nrsts, priv->rst);
out_clk_disable:
clk_bulk_disable_unprepare(priv->data->nclks, priv->clk);
return ret;
@ -102,10 +99,8 @@ out_rst_assert:
static int uniphier_glue_reset_remove(struct platform_device *pdev)
{
struct uniphier_glue_reset_priv *priv = platform_get_drvdata(pdev);
int i;
for (i = 0; i < priv->data->nrsts; i++)
reset_control_assert(priv->rst[i]);
reset_control_bulk_assert(priv->data->nrsts, priv->rst);
clk_bulk_disable_unprepare(priv->data->nclks, priv->clk);