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>
This commit is contained in:
Srinivas Kandagatla 2014-06-30 18:29:49 +01:00 committed by Felipe Balbi
parent e176475daa
commit e44f1f4c04

View File

@ -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");