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Groups > linux.kernel > #1574488

[PATCH v2 1/6] usb: mtu3: get resources that cause deferred probe earlier

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Some resources such as regulator, clock usually cause deferred
probe, get them earlier to avoid more ineffective processing.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/usb/mtu3/mtu3_plat.c |   24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c
index 7833678..6344859 100644
--- a/drivers/usb/mtu3/mtu3_plat.c
+++ b/drivers/usb/mtu3/mtu3_plat.c
@@ -204,6 +204,18 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb)
 	int i;
 	int ret;
 
+	ssusb->vusb33 = devm_regulator_get(&pdev->dev, "vusb33");
+	if (IS_ERR(ssusb->vusb33)) {
+		dev_err(dev, "failed to get vusb33\n");
+		return PTR_ERR(ssusb->vusb33);
+	}
+
+	ssusb->sys_clk = devm_clk_get(dev, "sys_ck");
+	if (IS_ERR(ssusb->sys_clk)) {
+		dev_err(dev, "failed to get sys clock\n");
+		return PTR_ERR(ssusb->sys_clk);
+	}
+
 	ssusb->num_phys = of_count_phandle_with_args(node,
 			"phys", "#phy-cells");
 	if (ssusb->num_phys > 0) {
@@ -230,18 +242,6 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb)
 		return PTR_ERR(ssusb->ippc_base);
 	}
 
-	ssusb->vusb33 = devm_regulator_get(&pdev->dev, "vusb33");
-	if (IS_ERR(ssusb->vusb33)) {
-		dev_err(dev, "failed to get vusb33\n");
-		return PTR_ERR(ssusb->vusb33);
-	}
-
-	ssusb->sys_clk = devm_clk_get(dev, "sys_ck");
-	if (IS_ERR(ssusb->sys_clk)) {
-		dev_err(dev, "failed to get sys clock\n");
-		return PTR_ERR(ssusb->sys_clk);
-	}
-
 	ssusb->dr_mode = usb_get_dr_mode(dev);
 	if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) {
 		dev_err(dev, "dr_mode is error\n");
-- 
1.7.9.5

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Thread

[PATCH v2 1/6] usb: mtu3: get resources that cause deferred probe earlier Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-06 10:30 +0100
  [PATCH v2 6/6] dt-bindings: mt8173-mtu3: add reference clock Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-06 10:30 +0100
    Re: [PATCH v2 6/6] dt-bindings: mt8173-mtu3: add reference clock Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-07 07:10 +0100
  [PATCH v2 4/6] arm64: dts: mt8173: add reference clock for usb Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-06 10:40 +0100
  [PATCH v2 2/6] usb: mtu3: add reference clock Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-06 10:40 +0100
  [PATCH v2 5/6] dt-bindings: mt8173-xhci: add reference clock Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-06 10:40 +0100
  [PATCH v2 3/6] usb: xhci-mtk: add reference clock Chunfeng Yun <chunfeng.yun@mediatek.com> - 2017-02-06 10:40 +0100

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