diff options
Diffstat (limited to 'drivers/usb/dwc3/dwc3-msm.c')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-msm.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/usb/dwc3/dwc3-msm.c b/drivers/usb/dwc3/dwc3-msm.c index 4d35de1c14c5..ef0a793e5bec 100644 --- a/drivers/usb/dwc3/dwc3-msm.c +++ b/drivers/usb/dwc3/dwc3-msm.c @@ -2338,14 +2338,23 @@ static int dwc3_msm_get_clk_gdsc(struct dwc3_msm *mdwc) return ret; } - /* - * Get Max supported clk frequency for USB Core CLK and request - * to set the same. - */ - mdwc->core_clk_rate = clk_round_rate(mdwc->core_clk, LONG_MAX); + if (!of_property_read_u32(mdwc->dev->of_node, "qcom,core-clk-rate", + (u32 *)&mdwc->core_clk_rate)) { + mdwc->core_clk_rate = clk_round_rate(mdwc->core_clk, + mdwc->core_clk_rate); + } else { + /* + * Get Max supported clk frequency for USB Core CLK and request + * to set the same. + */ + mdwc->core_clk_rate = clk_round_rate(mdwc->core_clk, LONG_MAX); + } + if (IS_ERR_VALUE(mdwc->core_clk_rate)) { dev_err(mdwc->dev, "fail to get core clk max freq.\n"); } else { + dev_dbg(mdwc->dev, "USB core frequency = %ld\n", + mdwc->core_clk_rate); ret = clk_set_rate(mdwc->core_clk, mdwc->core_clk_rate); if (ret) dev_err(mdwc->dev, "fail to set core_clk freq:%d\n", |