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

From: Chunfeng Yun
Date: Mon Feb 06 2017 - 04:29:32 EST


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@xxxxxxxxxxxx>
---
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