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usb: cdns3: core: quit if it uses role switch class 

If the board uses role switch class for switching the role, it should
not depends on SoC OTG hardware siginal any more, so quit early.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
zero-sugar-mainline-defconfig
Peter Chen 2020-09-01 10:33:48 +08:00 committed by Felipe Balbi
parent a609ce2a13
commit 50642709f6
1 changed files with 4 additions and 0 deletions
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4
drivers/usb/cdns3/core.c
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@ -280,6 +280,10 @@ int cdns3_hw_role_switch(struct cdns3 *cdns)
enum usb_role real_role, current_role;
int ret = 0;
/* Depends on role switch class */
if (cdns->role_sw)
return 0;
pm_runtime_get_sync(cdns->dev);
current_role = cdns->role;