diff options
| author |   Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2014-06-30 18:29:49 +0100 |
|---|---|---|
| committer |   Felipe Balbi <balbi@ti.com> | 2014-06-30 12:56:07 -0500 |
| commit | e44f1f4c04f273469b2a396f5f0fe03b5bb373d2 (patch) | |
| tree | 09f5773cbe1d3bddbfeefca8d4ef43423922d188 /drivers/usb/phy/phy-msm-usb.c | |
| parent | usb: gadget: pxa27x_udc: prepare and unprepare the clock (diff) | |
| download | linux-dev-e44f1f4c04f273469b2a396f5f0fe03b5bb373d2.tar.xz linux-dev-e44f1f4c04f273469b2a396f5f0fe03b5bb373d2.zip | |
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>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/phy/phy-msm-usb.c')
| -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 625c14494c9a..d1f5da5b8d1b 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) @@ -1464,7 +1464,7 @@ 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) @@ -1556,7 +1556,7 @@ 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"); |