[U-Boot] [PATCH v3 6/7] usb: ehci-atmel: Remove unnecessary clock calling

Wenyou Yang wenyou.yang at atmel.com
Tue Sep 27 05:00:33 CEST 2016


Due to the peripheral clock driver improvement, remove the
unnecessary clock calling.

Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
---

Changes in v3: None
Changes in v2: None

 drivers/usb/host/ehci-atmel.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 2b138c5..a5c6d34 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -56,9 +56,7 @@ struct ehci_atmel_priv {
 
 static int ehci_atmel_enable_clk(struct udevice *dev)
 {
-	struct udevice *dev_clk;
 	struct clk clk;
-	int periph;
 	int ret;
 
 	ret = clk_get_by_index(dev, 0, &clk);
@@ -73,19 +71,6 @@ static int ehci_atmel_enable_clk(struct udevice *dev)
 	if (ret)
 		return -EINVAL;
 
-	periph = fdtdec_get_uint(gd->fdt_blob, clk.dev->of_offset, "reg", -1);
-	if (periph < 0)
-		return -EINVAL;
-
-	dev_clk = dev_get_parent(clk.dev);
-	if (!dev_clk)
-		return -ENODEV;
-
-	ret = clk_request(dev_clk, &clk);
-	if (ret)
-		return ret;
-
-	clk.id = periph;
 	ret = clk_enable(&clk);
 	if (ret)
 		return ret;
-- 
2.7.4



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