bus: bt1-axi: Use devm_clk_get_enabled() helper
Commit Message
The devm_clk_get_enabled() helper:
- calls devm_clk_get()
- calls clk_prepare_enable() and registers what is needed in order to
call clk_disable_unprepare() when needed, as a managed resource.
This simplifies the code and avoids the need of a dedicated function used
with devm_add_action_or_reset().
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/bus/bt1-axi.c | 23 ++---------------------
1 file changed, 2 insertions(+), 21 deletions(-)
@@ -146,33 +146,14 @@ static int bt1_axi_request_rst(struct bt1_axi *axi)
return ret;
}
-static void bt1_axi_disable_clk(void *data)
-{
- struct bt1_axi *axi = data;
-
- clk_disable_unprepare(axi->aclk);
-}
-
static int bt1_axi_request_clk(struct bt1_axi *axi)
{
- int ret;
-
- axi->aclk = devm_clk_get(axi->dev, "aclk");
+ axi->aclk = devm_clk_get_enabled(axi->dev, "aclk");
if (IS_ERR(axi->aclk))
return dev_err_probe(axi->dev, PTR_ERR(axi->aclk),
"Couldn't get AXI Interconnect clock\n");
- ret = clk_prepare_enable(axi->aclk);
- if (ret) {
- dev_err(axi->dev, "Couldn't enable the AXI clock\n");
- return ret;
- }
-
- ret = devm_add_action_or_reset(axi->dev, bt1_axi_disable_clk, axi);
- if (ret)
- dev_err(axi->dev, "Can't add AXI clock disable action\n");
-
- return ret;
+ return 0;
}
static int bt1_axi_request_irq(struct bt1_axi *axi)