diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2014-06-18 12:24:25 +0100 |
|---|---|---|
| committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2014-07-25 20:54:53 +0400 |
| commit | 8e7fbabef50d1764b1a8090d762d85427daabc96 (patch) | |
| tree | 25f2a8e80638f8b913152bbc2f1e46fda6dd3ddc | |
| parent | f759aef9d243091240a15bc80d71b2d26546e6f7 (diff) | |
usb: phy: msm: Make phy_reset clk and reset line optional.
This patch makes the phy reset clk and reset line optional as this clk
is not available on boards like IFC6410 with APQ8064.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
| -rw-r--r-- | drivers/usb/phy/phy-msm-usb.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index c929370cdaa6..78cc870e64da 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -279,11 +279,11 @@ static int msm_otg_link_clk_reset(struct msm_otg *motg, bool assert) static int msm_otg_phy_clk_reset(struct msm_otg *motg) { - int ret; + int ret = 0; - if (motg->pdata->phy_clk_reset) + if (motg->pdata->phy_clk_reset && motg->phy_reset_clk) ret = motg->pdata->phy_clk_reset(motg->phy_reset_clk); - else + else if (motg->phy_rst) ret = reset_control_reset(motg->phy_rst); if (ret) @@ -1466,7 +1466,7 @@ static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) motg->phy_rst = devm_reset_control_get(&pdev->dev, "phy"); if (IS_ERR(motg->phy_rst)) - return PTR_ERR(motg->phy_rst); + motg->phy_rst = NULL; pdata->mode = of_usb_get_dr_mode(node); if (pdata->mode == USB_DR_MODE_UNKNOWN) @@ -1558,7 +1558,7 @@ static int msm_otg_probe(struct platform_device *pdev) np ? "phy" : "usb_phy_clk"); if (IS_ERR(motg->phy_reset_clk)) { dev_err(&pdev->dev, "failed to get usb_phy_clk\n"); - return PTR_ERR(motg->phy_reset_clk); + motg->phy_reset_clk = NULL; } motg->clk = devm_clk_get(&pdev->dev, np ? "core" : "usb_hs_clk"); |