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usb: host: ehci-st: Inform the reset framework that our reset line may be shared 

On the STiH410 B2120 development board the ST EHCI IP shares its reset
line with the OHCI IP.  New functionality in the reset subsystems forces
consumers to be explicit when requesting shared/exclusive reset lines.

Acked-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Lee Jones 2016-06-06 18:08:53 +01:00
parent f5ee3f2b5a
commit 1959930462
1 changed files with 4 additions and 2 deletions
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6
drivers/usb/host/ehci-st.c
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@ -206,7 +206,8 @@ static int st_ehci_platform_probe(struct platform_device *dev)
priv->clk48 = NULL;
}
priv->pwr = devm_reset_control_get_optional(&dev->dev, "power");
priv->pwr =
devm_reset_control_get_optional_shared(&dev->dev, "power");
if (IS_ERR(priv->pwr)) {
err = PTR_ERR(priv->pwr);
if (err == -EPROBE_DEFER)
@ -214,7 +215,8 @@ static int st_ehci_platform_probe(struct platform_device *dev)
priv->pwr = NULL;
}
priv->rst = devm_reset_control_get_optional(&dev->dev, "softreset");
priv->rst =
devm_reset_control_get_optional_shared(&dev->dev, "softreset");
if (IS_ERR(priv->rst)) {
err = PTR_ERR(priv->rst);
if (err == -EPROBE_DEFER)