From: Matthieu CASTET <matthieu.castet@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/host/ehci-hcd.c | 7 ++++++-
drivers/usb/host/ehci-orion.c | 5 +++--
2 files changed, 9 insertions(+), 3 deletions(-)
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 @@ static int ehci_run (struct usb_hcd *hcd)
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;
}
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 0f87dc7..281e094 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -105,7 +105,8 @@ static int ehci_orion_setup(struct usb_hcd *hcd)
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
int retval;
- ehci_reset(ehci);
+ hcd->has_tt = 1;
+
retval = ehci_halt(ehci);
if (retval)
return retval;
@@ -117,7 +118,7 @@ static int ehci_orion_setup(struct usb_hcd *hcd)
if (retval)
return retval;
- hcd->has_tt = 1;
+ ehci_reset(ehci);
ehci_port_power(ehci, 0);
--
1.7.4.1
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