USB: don't run ehci_reset in ehci_run for tdi device
TDI driver does the ehci_reset in their reset callback.
Don't reset in ehci_run because configuration settings done in
platform driver will be reset.
This will allow to make msm use ehci_run.
Signed-off-by: Matthieu CASTET <castet.matthieu@parrot.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 74dcf49..4c77a81 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -679,7 +679,12 @@
hcd->uses_new_polling = 1;
/* EHCI spec section 4.1 */
- if ((retval = ehci_reset(ehci)) != 0) {
+ /*
+ * TDI driver does the ehci_reset in their reset callback.
+ * Don't reset here, because configuration settings will
+ * vanish.
+ */
+ if (!ehci_is_TDI(ehci) && (retval = ehci_reset(ehci)) != 0) {
ehci_mem_cleanup(ehci);
return retval;
}