Hi John,
the commit 09c96980dc72 ("usb: dwc2: Add functions to set and clear force mode")
in Felipe's USB repo causes a regression on Raspberry Pi B which prevents the
probing of the dwc2 driver.
I attached a patch which fixes the regression but i'm not sure that's the right
way.
Regards
Stefan
-------------------------8<----------------------------------
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index 39a0fa8..3f5fb31 100644
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -572,12 +572,6 @@ static bool dwc2_force_mode(struct dwc2_hsotg *hsotg, bool
host)
set = host ? GUSBCFG_FORCEHOSTMODE : GUSBCFG_FORCEDEVMODE;
clear = host ? GUSBCFG_FORCEDEVMODE : GUSBCFG_FORCEHOSTMODE;
- /*
- * If the force mode bit is already set, don't set it.
- */
- if ((gusbcfg & set) && !(gusbcfg & clear))
- return false;
-
gusbcfg &= ~clear;
gusbcfg |= set;
dwc2_writel(gusbcfg, hsotg->regs + GUSBCFG);
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