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Merge "dwc3-msm: Add support to vote USB FORCE_MEM_CORE_ON"

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qctecmdr 2020-06-11 10:59:12 -07:00 • committed by Gerrit - the friendly Code Review server
commit c2d54934ff
1 changed files with 13 additions and 0 deletions
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13
drivers/usb/dwc3/dwc3-msm.c
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@ -399,6 +399,7 @@ struct dwc3_msm {
struct list_head req_complete_list;
struct clk *xo_clk;
struct clk *core_clk;
struct clk *core_csr_clk;
long core_clk_rate;
long core_clk_rate_hs;
struct clk *iface_clk;
@ -2178,7 +2179,15 @@ static int dwc3_msm_config_gdsc(struct dwc3_msm *mdwc, int on)
dev_err(mdwc->dev, "unable to enable usb3 gdsc\n");
return ret;
}
ret = clk_prepare_enable(mdwc->core_csr_clk);
if (ret) {
regulator_disable(mdwc->dwc3_gdsc);
dev_err(mdwc->dev, "unable to enable core_csr_clks\n");
return ret;
}
} else {
clk_disable_unprepare(mdwc->core_csr_clk);
ret = regulator_disable(mdwc->dwc3_gdsc);
if (ret) {
dev_err(mdwc->dev, "unable to disable usb3 gdsc\n");
@ -3438,6 +3447,10 @@ static int dwc3_msm_get_clk_gdsc(struct dwc3_msm *mdwc)
return ret;
}
mdwc->core_csr_clk = devm_clk_get(mdwc->dev, "core_csr_clk");
if (IS_ERR(mdwc->core_csr_clk))
mdwc->core_csr_clk = NULL;
mdwc->core_reset = devm_reset_control_get(mdwc->dev, "core_reset");
if (IS_ERR(mdwc->core_reset)) {
dev_err(mdwc->dev, "failed to get core_reset\n");