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path: root/drivers/bus/bt1-axi.c
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Diffstat (limited to 'drivers/bus/bt1-axi.c')
-rw-r--r--drivers/bus/bt1-axi.c38
1 files changed, 8 insertions, 30 deletions
diff --git a/drivers/bus/bt1-axi.c b/drivers/bus/bt1-axi.c
index e7a6744acc7b..a5254c73bf43 100644
--- a/drivers/bus/bt1-axi.c
+++ b/drivers/bus/bt1-axi.c
@@ -135,10 +135,9 @@ static int bt1_axi_request_rst(struct bt1_axi *axi)
int ret;
axi->arst = devm_reset_control_get_optional_exclusive(axi->dev, "arst");
- if (IS_ERR(axi->arst)) {
- dev_warn(axi->dev, "Couldn't get reset control line\n");
- return PTR_ERR(axi->arst);
- }
+ if (IS_ERR(axi->arst))
+ return dev_err_probe(axi->dev, PTR_ERR(axi->arst),
+ "Couldn't get reset control line\n");
ret = reset_control_deassert(axi->arst);
if (ret)
@@ -147,34 +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");
- if (IS_ERR(axi->aclk)) {
- dev_err(axi->dev, "Couldn't get AXI Interconnect clock\n");
- return PTR_ERR(axi->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)
@@ -311,4 +290,3 @@ module_platform_driver(bt1_axi_driver);
MODULE_AUTHOR("Serge Semin <Sergey.Semin@baikalelectronics.ru>");
MODULE_DESCRIPTION("Baikal-T1 AXI-bus driver");
-MODULE_LICENSE("GPL v2");